Re: [Wicket-user] Testing Wicket 1.2 on Glassfish b48
I just downloaded 1.2.1, how do I take advantage of this? I'm hoping I can use 1.2.1 on Glassfish w/o having to custom-build it like I did w/ 1.2. Thanks! On 7/10/06, Igor Vaynberg [EMAIL PROTECTED] wrote: just added this, it will be in 1.2.1 action type=update dev=Igor VaynbergAdded IDebugSettings.serializeSessionAttributes instead of relying on logger set to debug mode for the session store/action -Igor On 7/10/06, Vincent Jenks [EMAIL PROTECTED] wrote: Beautiful, it all built and it works in the app. Thanks Igor! On 7/10/06, Igor Vaynberg [EMAIL PROTECTED] wrote: mvn install -Dmaven.test.skip=true -Igor On 7/10/06, Vincent Jenks [EMAIL PROTECTED] wrote: OK, that definitely helped...but Results : Tests run: 410, Failures: 0, Errors: 1, Skipped: 0 [INFO] [ERROR] BUILD FAILURE [INFO] [INFO] There are test failures. [INFO] [INFO] For more information, run Maven with the -e switch [INFO] [INFO] Total time: 1 minute 22 seconds [INFO] Finished at: Mon Jul 10 13:48:34 MDT 2006 [INFO] Final Memory: 7M/35M [INFO] On 7/10/06, Igor Vaynberg [EMAIL PROTECTED] wrote: looks like their repo servers are overloaded -- too popular for their own good try this: http://www.nabble.com/new-maven-repo-available-with-snapshots-tf1851211.html#a5054042 -Igor On 7/10/06, Vincent Jenks [EMAIL PROTECTED] wrote: No such luck - that didn't work any better. when doing 'mvn install' in the top-level WICKET_1_2 directory I get this error: Downloading: http://repo1.maven.org/maven2/org/codehaus/plexus/plexus-container- default/1.0-alpha-8/plexus-container-default-1.0-alpha-8.pom [INFO] [ERROR] BUILD ERROR [INFO] [INFO] Error building POM (may not be this project's POM). Project ID: org.codehaus.plexus:plexus-container-default Reason: Error getting POM for ' org.codehaus.plexus:plexus-container-default' fro m the repository: Error transferring file org.codehaus.plexus:plexus-container-default:pom:1.0-alpha-8 from the specified remote repositories: central (http://repo1.maven.org/maven2), apache.snapshots (http://svn.apache.org/maven-snapshot-repository ), snapshots ( http://snapshots.maven.codehaus.org/maven2) So, just for the sake of completeness I cd'd into the lower 'wicket' directory and ran 'mvn install' and got this: [INFO] [ERROR] BUILD ERROR [INFO] [INFO] Failed to resolve artifact. Error transferring file org.apache.maven.plugins:maven-surefire-plugin:maven-plugin:2.2 from the specified remote repositories: central ( http://repo1.maven.org/maven2 ) Caused by I/O exception: Server returned HTTP response code: 503 for URL: http:/ /repo1.maven.org/maven2/org/apache/maven/plugins/maven-surefire-plugin/2.2/maven -surefire-plugin-2.2.jar.sha1 Sounds like it might be better in concept than Ant but you run the risk of not being able to download dependencies - not sure I like the idea of relying on an internet connection for them. Anyhow...no closer than I was before. Any ideas? On 7/7/06, Igor Vaynberg [EMAIL PROTECTED] wrote: thats what i understood from martijn. the problem is that there is a parent pom file that all other projects inherit from, so that means that parent pom has to be installed in the maven repo in order for other projects to find it when you try to build so what i would do is cd WICKET_1_2 mvn install (possibly optional if you have the whole thing checked out) cd wicket mvn install and you should be good to go -Igor On 7/7/06, V. Jenks [EMAIL PROTECTED] wrote: So, if I check out all projects at https
Re: [Wicket-user] Testing Wicket 1.2 on Glassfish b48
Also, I'm not able to build Wicket 1.2.1 w/ maven like I did w/ 1.2. In the top-level 'wicket' folder doing mvn install -Dmaven.test.skip=true gives me this: [INFO] Scanning for projects... Downloading: http://maven.sateh.com/repository/wicket/wicket-parent/1.2.1/wicket -parent-1.2.1.pom [WARNING] Unable to get resource from repository central (http://repo1.maven.org /maven2) [INFO] [ERROR] FATAL ERROR [INFO] [INFO] Failed to resolve artifact. GroupId: wicket ArtifactId: wicket-parent Version: 1.2.1 Reason: Unable to download the artifact from any repository wicket:wicket-parent:pom:1.2.1 from the specified remote repositories: central (http://repo1.maven.org/maven2) [INFO] [INFO] Trace org.apache.maven.reactor.MavenExecutionException: Cannot find parent: wicket:wic ket-parent for project: null:wicket:jar:null at org.apache.maven.DefaultMaven.getProjects(DefaultMaven.java:365) at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:278) at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:115) at org.apache.maven.cli.MavenCli.main(MavenCli.java:256) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl. java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAcces sorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:585) at org.codehaus.classworlds.Launcher.launchEnhanced(Launcher.java:315) at org.codehaus.classworlds.Launcher.launch(Launcher.java:255) at org.codehaus.classworlds.Launcher.mainWithExitCode(Launcher.java:430) at org.codehaus.classworlds.Launcher.main(Launcher.java:375) Caused by: org.apache.maven.project.ProjectBuildingException: Cannot find parent : wicket:wicket-parent for project: null:wicket:jar:null at org.apache.maven.project.DefaultMavenProjectBuilder.assembleLineage(D efaultMavenProjectBuilder.java:1161) at org.apache.maven.project.DefaultMavenProjectBuilder.buildInternal(Def aultMavenProjectBuilder.java:674) at org.apache.maven.project.DefaultMavenProjectBuilder.buildFromSourceFi leInternal(DefaultMavenProjectBuilder.java:416) at org.apache.maven.project.DefaultMavenProjectBuilder.build(DefaultMave nProjectBuilder.java:192) at org.apache.maven.DefaultMaven.getProject(DefaultMaven.java:515) at org.apache.maven.DefaultMaven.collectProjects(DefaultMaven.java:447) at org.apache.maven.DefaultMaven.getProjects(DefaultMaven.java:351) ... 11 more Caused by: org.apache.maven.project.ProjectBuildingException: POM 'wicket:wicket -parent' not found in repository: Unable to download the artifact from any repos itory wicket:wicket-parent:pom:1.2.1 from the specified remote repositories: central (http://repo1.maven.org/maven2) at org.apache.maven.project.DefaultMavenProjectBuilder.findModelFromRepo sitory(DefaultMavenProjectBuilder.java:513) at org.apache.maven.project.DefaultMavenProjectBuilder.assembleLineage(D efaultMavenProjectBuilder.java:1157) ... 17 more Caused by: org.apache.maven.artifact.resolver.ArtifactNotFoundException: Unable to download the artifact from any repository wicket:wicket-parent:pom:1.2.1 from the specified remote repositories: central (http://repo1.maven.org/maven2) at org.apache.maven.artifact.resolver.DefaultArtifactResolver.resolve(De faultArtifactResolver.java:136) at org.apache.maven.artifact.resolver.DefaultArtifactResolver.resolve(De faultArtifactResolver.java:63) at org.apache.maven.project.DefaultMavenProjectBuilder.findModelFromRepo sitory(DefaultMavenProjectBuilder.java:467) ... 18 more Caused by: org.apache.maven.wagon.ResourceDoesNotExistException: Unable to downl oad the artifact from any repository at org.apache.maven.artifact.manager.DefaultWagonManager.getArtifact(Def aultWagonManager.java:260) at org.apache.maven.artifact.resolver.DefaultArtifactResolver.resolve(De faultArtifactResolver.java:124) ... 20 more [INFO] [INFO] Total time: 1 second [INFO] Finished at: Wed Jul 26 10:47:57 MDT 2006 [INFO] Final Memory: 1M/2M [INFO] On 7/26/06, Vincent Jenks [EMAIL PROTECTED] wrote: I just downloaded 1.2.1, how do I take advantage of this? I'm hoping I can use 1.2.1 on Glassfish w/o having to custom-build it like I did w/ 1.2. Thanks! On 7/10/06, Igor Vaynberg [EMAIL PROTECTED] wrote: just added this, it will be in 1.2.1 action type=update dev=Igor VaynbergAdded
[Wicket-user] set static values on DropDownChoice
This seems like a lame question but I'm struggling again w/ the DropDownChoice control (using 1.2). I simply want to set static values to a DropDownChoice control so they can be drawn out later in the form's input class when it's submitted. I thought I had done this before but can't find that I have - how can I set, say, a Map of name/value pairs of Strings? In this case I'm not providing a ListT of values to the dropdown but rather a MapString, String of static values - unless of course there's an easier way. This control still feels cumbersome to work worthperhaps it's just me? Thanks! - Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT business topics through brief surveys -- and earn cash http://www.techsay.com/default.php?page=join.phpp=sourceforgeCID=DEVDEV ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user
[Wicket-user] More examples of sorting?
Is there something smaller simpler out there I could refer to for sorting? I've glanced at the DataView example a few times and once I start digging in it just seems unwieldly to me. I'm simply trying to sort a List of entities and the getContactsDB() stuff in the examples is a bit complicated to try and pick through. I gave paging a shot yesterday but quickly figured out it wouldn't be a snap to throw together like most wicket stuff I've done so farI'm in a crunch or I'd spend more time banging my head on the table. I think if I just had a couple real-world examples I'd pick it up faster. How's that book coming along? :D Thanks! - Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT business topics through brief surveys -- and earn cash http://www.techsay.com/default.php?page=join.phpp=sourceforgeCID=DEVDEV ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user
Re: [Wicket-user] More examples of sorting?
Currently I don't have anything like the ContactsDatabase class in
'examples' - I'm just pulling a list of data and displaying in a
ListViewbut it appears now that I'm browsing through I'm going to
have to create one and implement some of the methods like you have in
order to get paging/sorting.
I'll play w/ it...it was just a little more than I expected once I
started digging into it.
On 7/18/06, Igor Vaynberg [EMAIL PROTECTED] wrote:
what could be simpler then the dataview? its just like a listview only
instead of being fed off the list it is fed from the idataprovider.
class mydataprovider implements idataprovider() {
iterator iterator(int first, int count) {
return mydao.findcontacts(first, count).iterator();
}
int size() {
return mydao.countcontacts();
}
model model(object o) {
Contact contact=(Contact)o;
return new ContactDetachableModel(contact);
//or return new Model(contact);
}
}
and that gets you paging, sorting is like this
mydataprovider extends sortabledataprovider {
// ditto from above
iterator iterator(int first, int last) {
return mydao.findcontacts(first, last, getsort().getproperty(),
getsort().getcount();
}
}
if you have more specific questions i will be happy to help you
-Igor
On 7/18/06, Vincent Jenks [EMAIL PROTECTED] wrote:
Is there something smaller simpler out there I could refer to for
sorting? I've glanced at the DataView example a few times and once I
start digging in it just seems unwieldly to me. I'm simply trying to
sort a List of entities and the getContactsDB() stuff in the examples
is a bit complicated to try and pick through.
I gave paging a shot yesterday but quickly figured out it wouldn't be
a snap to throw together like most wicket stuff I've done so
farI'm in a crunch or I'd spend more time banging my head on the
table.
I think if I just had a couple real-world examples I'd pick it up faster.
How's that book coming along? :D
Thanks!
-
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Re: [Wicket-user] More examples of sorting?
Well, I don't have DAOs in this particular project - it's an EJB3
project where I'm simply using SLSBs as DAOsso I have the
EntityManager to work from and I should be able to bring the two
together to facilitate this...
This may be easier than I thought
On 7/18/06, Igor Vaynberg [EMAIL PROTECTED] wrote:
yep, you have to code your daos with paging and sorting in mind, it cannot
be slapped on as an afterthought.
let me give you some clues
see the attached QueryParam class, all my finder dao methods take it so that
they can page/sort accordingly.
hope it gets you started
-Igor
On 7/18/06, Vincent Jenks [EMAIL PROTECTED] wrote:
Currently I don't have anything like the ContactsDatabase class in
'examples' - I'm just pulling a list of data and displaying in a
ListViewbut it appears now that I'm browsing through I'm going to
have to create one and implement some of the methods like you have in
order to get paging/sorting.
I'll play w/ it...it was just a little more than I expected once I
started digging into it.
On 7/18/06, Igor Vaynberg [EMAIL PROTECTED] wrote:
what could be simpler then the dataview? its just like a listview only
instead of being fed off the list it is fed from the idataprovider.
class mydataprovider implements idataprovider() {
iterator iterator(int first, int count) {
return mydao.findcontacts(first, count).iterator();
}
int size() {
return mydao.countcontacts();
}
model model(object o) {
Contact contact=(Contact)o;
return new ContactDetachableModel(contact);
//or return new Model(contact);
}
}
and that gets you paging, sorting is like this
mydataprovider extends sortabledataprovider {
// ditto from above
iterator iterator(int first, int last) {
return mydao.findcontacts(first, last, getsort().getproperty(),
getsort().getcount();
}
}
if you have more specific questions i will be happy to help you
-Igor
On 7/18/06, Vincent Jenks [EMAIL PROTECTED] wrote:
Is there something smaller simpler out there I could refer to for
sorting? I've glanced at the DataView example a few times and once I
start digging in it just seems unwieldly to me. I'm simply trying to
sort a List of entities and the getContactsDB() stuff in the examples
is a bit complicated to try and pick through.
I gave paging a shot yesterday but quickly figured out it wouldn't be
a snap to throw together like most wicket stuff I've done so
farI'm in a crunch or I'd spend more time banging my head on the
table.
I think if I just had a couple real-world examples I'd pick it up
faster.
How's that book coming along? :D
Thanks!
-
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your
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Re: [Wicket-user] More examples of sorting?
Wow...ok...I'm making a total disaster of this. I can't help but
think there's an easier way. :(
I've got this method in what we could call a dao:
public ListIncident getFiltered(int first, int count, String orderBy)
{
String query = select i from Incident i order by :orderBy;
Query q = this.em.createQuery(query);
q.setParameter(orderBy, orderBy);
q.setFirstResult(first);
q.setMaxResults(count);
return q.getResultList();
}
And I've got started what might someday become a provider class:
public class IncidentsProvider
extends SortableDataProvider
implements IDetachable
{
private transient ListIncident incidents;
/**
* default ctor
*/
public IncidentsProvider(Integer first, Integer count, String orderBy)
{
this.incidents = myDao.getFiltered(first, count, orderBy);
setSort(openDate, true);
}
public Iterator iterator(int first, int count)
{
return this.incidents.listIterator(first); // - what do do?
}
public int size()
{
return this.incidents.size();
}
public IModel model(Object object)
{
return new Model((Serializable)object);
}
public void detach()
{
this.incidents = null;
}
}
As you can see, I'm trying to marry my provider to my DAO as closely
as possible...I'm not worried about elegance and cleanliness right now
- just trying to take it one step at a time and get it *working*.
I can make some sort of 'if asc then make desc' and vice/versa afterward
Sorry, it's been a long day...maybe I need a breaktwo or three
weeks ought to do it.
On 7/18/06, Igor Vaynberg [EMAIL PROTECTED] wrote:
then the only semidifficult part is the sorting - you need to come up with
some utils that append the sort for you.
as far as paging it would translate directly to
session.setFirstResult(queryparam.getFirst()).setMaxResults(
queryparam.getCount());
-Igor
On 7/18/06, Vincent Jenks [EMAIL PROTECTED] wrote:
Well, I don't have DAOs in this particular project - it's an EJB3
project where I'm simply using SLSBs as DAOsso I have the
EntityManager to work from and I should be able to bring the two
together to facilitate this...
This may be easier than I thought
On 7/18/06, Igor Vaynberg [EMAIL PROTECTED] wrote:
yep, you have to code your daos with paging and sorting in mind, it cannot
be slapped on as an afterthought.
let me give you some clues
see the attached QueryParam class, all my finder dao methods take it so
that
they can page/sort accordingly.
hope it gets you started
-Igor
On 7/18/06, Vincent Jenks [EMAIL PROTECTED] wrote:
Currently I don't have anything like the ContactsDatabase class in
'examples' - I'm just pulling a list of data and displaying in a
ListViewbut it appears now that I'm browsing through I'm going to
have to create one and implement some of the methods like you have in
order to get paging/sorting.
I'll play w/ it...it was just a little more than I expected once I
started digging into it.
On 7/18/06, Igor Vaynberg [EMAIL PROTECTED] wrote:
what could be simpler then the dataview? its just like a listview only
instead of being fed off the list it is fed from the idataprovider.
class mydataprovider implements idataprovider() {
iterator iterator(int first, int count) {
return mydao.findcontacts(first, count).iterator();
}
int size() {
return mydao.countcontacts();
}
model model(object o) {
Contact contact=(Contact)o;
return new
ContactDetachableModel(contact);
//or return new Model(contact);
}
}
and that gets you paging, sorting is like this
mydataprovider extends sortabledataprovider {
// ditto from above
iterator iterator(int first, int last) {
return mydao.findcontacts(first, last,
getsort().getproperty(),
getsort().getcount();
}
}
if you have more specific questions i will be happy to help you
-Igor
On 7/18/06, Vincent Jenks [EMAIL PROTECTED] wrote:
Is there something smaller simpler out there I could refer to for
sorting? I've glanced at the DataView example a few times and once I
start digging in it just seems unwieldly to me. I'm simply trying to
sort a List of entities and the getContactsDB() stuff in the examples
is a bit complicated to try and pick through.
I gave paging a shot yesterday but quickly figured out it wouldn't be
a snap
Re: [Wicket-user] More examples of sorting?
I appreciate it Frank, however I'm not familiar w/ DataTable or the
SortableDataProvider - this is my first run. Really what I need is to
see sorting working and I haven't even gotten that far.
I'd be willing to take a lookit might be easier to see it working
w/ plain JDBC to get a view of this w/ a different perspective, if
anything.
Thanks!
On 7/18/06, Frank Silbermann [EMAIL PROTECTED] wrote:
If your SLSBs were not coded with paging and sorting in mind, you'll
probably have to implement a layer that understands sorting and paging
to stand between your SortableDataProvider and your SLSBs. To do that
in an ad-hoc way relevant to one specific set of data is probably time
consuming at worst, but a general approach doesn't sound very easy to
me.
Is your data set too large to keep in the WebPage on the server while
your user plays with it, sorting it this way and that? Must you throw
away the data between postbacks, re-querying each time? If not, why
don't you take a look at the classes I posted to the group last week
(and sent you in private e-mail as well)? Even if you're not interested
in getting your data via vanilla JDBC SQL SELECT queries, I'm sure my
approach can be adapted.
My code is not difficult to read if you are at all familiar with
DataTable and SortableDataProvider. I'd be happy to answer any
questions. /Frank
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Vincent
Jenks
Sent: Tuesday, July 18, 2006 4:50 PM
To: wicket-user@lists.sourceforge.net
Subject: Re: [Wicket-user] More examples of sorting?
Well, I don't have DAOs in this particular project - it's an EJB3
project where I'm simply using SLSBs as DAOsso I have the
EntityManager to work from and I should be able to bring the two
together to facilitate this...
This may be easier than I thought
On 7/18/06, Igor Vaynberg [EMAIL PROTECTED] wrote:
yep, you have to code your daos with paging and sorting in mind, it
cannot be slapped on as an afterthought.
let me give you some clues
see the attached QueryParam class, all my finder dao methods take it
so that they can page/sort accordingly.
hope it gets you started
-Igor
On 7/18/06, Vincent Jenks [EMAIL PROTECTED] wrote:
Currently I don't have anything like the ContactsDatabase class in
'examples' - I'm just pulling a list of data and displaying in a
ListViewbut it appears now that I'm browsing through I'm going
to have to create one and implement some of the methods like you
have in order to get paging/sorting.
I'll play w/ it...it was just a little more than I expected once I
started digging into it.
On 7/18/06, Igor Vaynberg [EMAIL PROTECTED] wrote:
what could be simpler then the dataview? its just like a listview
only instead of being fed off the list it is fed from the
idataprovider.
class mydataprovider implements idataprovider() {
iterator iterator(int first, int count) {
return mydao.findcontacts(first, count).iterator();
}
int size() {
return mydao.countcontacts();
}
model model(object o) {
Contact contact=(Contact)o;
return new ContactDetachableModel(contact);
//or return new Model(contact);
}
}
and that gets you paging, sorting is like this
mydataprovider extends sortabledataprovider {
// ditto from above
iterator iterator(int first, int last) {
return mydao.findcontacts(first, last,
getsort().getproperty(), getsort().getcount();
}
}
if you have more specific questions i will be happy to help you
-Igor
On 7/18/06, Vincent Jenks [EMAIL PROTECTED] wrote:
Is there something smaller simpler out there I could refer to
for sorting? I've glanced at the DataView example a few times and
once I start digging in it just seems unwieldly to me. I'm simply
trying to sort a List of entities and the getContactsDB() stuff
in the examples is a bit complicated to try and pick through.
I gave paging a shot yesterday but quickly figured out it wouldn't
be a snap to throw together like most wicket stuff I've done so
farI'm in a crunch or I'd spend more time banging my head on
the table.
I think if I just had a couple real-world examples I'd pick it up
faster.
How's that book coming along? :D
Thanks!
--
---
Take Surveys. Earn Cash. Influence the Future of IT Join
SourceForge.net's Techsay panel and you'll get the chance to share
your
opinions on IT business topics through brief surveys -- and earn
cash
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DEV
Re: [Wicket-user] Wicket Hibernate Application Transactions
I've been successful w/ exactly what Iman is concerned with - keeping objects alive between requests just isn't necessary. With detachable-models, you can request your POJOs - and they effectively become detached (outside of Hibernate session context). You can pass them between pages and persist them (putting them back into Hibernate session context) by using merge() if you've updated their values. I often save a round-trip by doing this w/ parent/child pages where I pass the POJO to the detail page to view the child after it had already been detached from the parent page. On 7/17/06, Nathan Hamblen [EMAIL PROTECTED] wrote: As others have pointed out, the magic of IModel works better than you think (or thought) it does. I often have two constructors for pages, one taking bookmarkable parameters and another taking an IModel so that I don't always have to reload DB objects page to page. It's a cinch. http://databinder.net/wsvn/Databinder/recipe/trunk/src/main/java/example/RecipeBook.java?op=file But I get your point, when you say that this method is mostly adapted to the old MVC style of web programming. You're right. The one-session-per-request style is the conventional wisdom that we should be questioning here on the cutting edge. On the other hand, we have to be careful of getting TOO far ahead of the curve. This listserv used to get about one question a week about Wicket's crazy practice of actually using the session store. Those Qs have turned into general concerns about about load, high volume, etc. The fact that Wicket has a system of detachable models that can repopulate themselves from DB each request cycle is enormously comforting to people. This system works very well and practically everyone uses it, but that shouldn't stop you from trying something else. Whatever you come up with just might be the way we all do it in a few years, when server resources dwarf those available today. I like IModels fine, and will like them even more when they're strongly typed, but I'll admit it would be easier to just pass around the objects they contain. Significantly easier for new users. So please do give it a shot. (I'm assuming your app is high-complexity, low-volume, or that you have small data objects.) I can't think of anything in Wicket that would slow you down, other than the minor annoyance of having to wrap objects in new Model(Serializable o) before passing them to some framework components. And let us know how it goes! Nathan Iman Rahmatizadeh wrote: The problem with #1 is, first its a bit ugly, second you discard every persistent instance in each cycle (which is less efficient than #2 or #3), third you lose the advantages of working passing POJO's between pages, Like you would call 'new ProfilePage(person.getId())' instead of 'new ProfilePage(person))' and retrieve the person from database again in the profile page. As Nathan said, despite the disadvantages, it's the easiest and the most straight forward, and mostly adapted to the old MVC style of web programming. With wicket, I would like to pass objects around to pages and methods, keep them in memory during the unit of work, and persist the changes at the end. The problem is I make a new Hibernate Session in each request cycle, so I have to re-attach the objects from the previous cycle to the new Hibernate Session each time (as in #2). This can get quite cumbersome and would easily get out of control. With all that said , I guess I'm alone in this case and everybody agrees on using #1. Still if anybody has any experience with #2 or #3, I would be happy to know about it. Iman - Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnkkid=120709bid=263057dat=121642 ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user - Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnkkid=120709bid=263057dat=121642 ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user
Re: [Wicket-user] Testing Wicket 1.2 on Glassfish b48
OK, that definitely helped...but Results : Tests run: 410, Failures: 0, Errors: 1, Skipped: 0 [INFO] [ERROR] BUILD FAILURE [INFO] [INFO] There are test failures. [INFO] [INFO] For more information, run Maven with the -e switch [INFO] [INFO] Total time: 1 minute 22 seconds [INFO] Finished at: Mon Jul 10 13:48:34 MDT 2006 [INFO] Final Memory: 7M/35M [INFO] On 7/10/06, Igor Vaynberg [EMAIL PROTECTED] wrote: looks like their repo servers are overloaded -- too popular for their own good try this: http://www.nabble.com/new-maven-repo-available-with-snapshots-tf1851211.html#a5054042 -Igor On 7/10/06, Vincent Jenks [EMAIL PROTECTED] wrote: No such luck - that didn't work any better. when doing 'mvn install' in the top-level WICKET_1_2 directory I get this error: Downloading: http://repo1.maven.org/maven2/org/codehaus/plexus/plexus-container- default/1.0-alpha-8/plexus-container-default-1.0-alpha-8.pom [INFO] [ERROR] BUILD ERROR [INFO] [INFO] Error building POM (may not be this project's POM). Project ID: org.codehaus.plexus:plexus-container-default Reason: Error getting POM for 'org.codehaus.plexus:plexus-container-default' fro m the repository: Error transferring file org.codehaus.plexus:plexus-container-default:pom:1.0-alpha-8 from the specified remote repositories: central (http://repo1.maven.org/maven2), apache.snapshots (http://svn.apache.org/maven-snapshot-repository ), snapshots (http://snapshots.maven.codehaus.org/maven2) So, just for the sake of completeness I cd'd into the lower 'wicket' directory and ran 'mvn install' and got this: [INFO] [ERROR] BUILD ERROR [INFO] [INFO] Failed to resolve artifact. Error transferring file org.apache.maven.plugins:maven-surefire-plugin:maven-plugin:2.2 from the specified remote repositories: central (http://repo1.maven.org/maven2 ) Caused by I/O exception: Server returned HTTP response code: 503 for URL: http:/ /repo1.maven.org/maven2/org/apache/maven/plugins/maven-surefire-plugin/2.2/maven -surefire-plugin-2.2.jar.sha1 Sounds like it might be better in concept than Ant but you run the risk of not being able to download dependencies - not sure I like the idea of relying on an internet connection for them. Anyhow...no closer than I was before. Any ideas? On 7/7/06, Igor Vaynberg [EMAIL PROTECTED] wrote: thats what i understood from martijn. the problem is that there is a parent pom file that all other projects inherit from, so that means that parent pom has to be installed in the maven repo in order for other projects to find it when you try to build so what i would do is cd WICKET_1_2 mvn install (possibly optional if you have the whole thing checked out) cd wicket mvn install and you should be good to go -Igor On 7/7/06, V. Jenks [EMAIL PROTECTED] wrote: So, if I check out all projects at https://svn.sourceforge.net/svnroot/wicket/tags/WICKET_1_2/ https://svn.sourceforge.net/svnroot/wicket/tags/WICKET_1_2/wicket I should be able to build them w/ maven, as you described before? Igor Vaynberg wrote: svn co https://svn.sourceforge.net/svnroot/wicket/tags/WICKET_1_2/wicket will give you the 1.2 release maven doesnt work out of the box because of the new build thing martijn is trying where you need to have a parent pom installed first so its a more tedious process unless you check out the entire folder that contains all the projects. -Igor On 7/7/06, *Vincent Jenks* [EMAIL PROTECTED] mailto:[EMAIL PROTECTED] wrote: Ha! It ran w/o the exception! It would have been nice to get around the logging another way but I guess I'll take what I can get at this point. My last concern is - is 1.2.1.rc1 fit for production - because this site is *already* in production and I'm hesitant to throw a relatively unstable version of wicket into it. Could someone help me figure out how to build the 1.2 final branch w/o errors? Thanks! On 7/7/06, Vincent Jenks [EMAIL PROTECTED] mailto:[EMAIL
Re: [Wicket-user] Testing Wicket 1.2 on Glassfish b48
Beautiful, it all built and it works in the app. Thanks Igor! On 7/10/06, Igor Vaynberg [EMAIL PROTECTED] wrote: mvn install -Dmaven.test.skip=true -Igor On 7/10/06, Vincent Jenks [EMAIL PROTECTED] wrote: OK, that definitely helped...but Results : Tests run: 410, Failures: 0, Errors: 1, Skipped: 0 [INFO] [ERROR] BUILD FAILURE [INFO] [INFO] There are test failures. [INFO] [INFO] For more information, run Maven with the -e switch [INFO] [INFO] Total time: 1 minute 22 seconds [INFO] Finished at: Mon Jul 10 13:48:34 MDT 2006 [INFO] Final Memory: 7M/35M [INFO] On 7/10/06, Igor Vaynberg [EMAIL PROTECTED] wrote: looks like their repo servers are overloaded -- too popular for their own good try this: http://www.nabble.com/new-maven-repo-available-with-snapshots-tf1851211.html#a5054042 -Igor On 7/10/06, Vincent Jenks [EMAIL PROTECTED] wrote: No such luck - that didn't work any better. when doing 'mvn install' in the top-level WICKET_1_2 directory I get this error: Downloading: http://repo1.maven.org/maven2/org/codehaus/plexus/plexus-container- default/1.0-alpha-8/plexus-container-default-1.0-alpha-8.pom [INFO] [ERROR] BUILD ERROR [INFO] [INFO] Error building POM (may not be this project's POM). Project ID: org.codehaus.plexus:plexus-container-default Reason: Error getting POM for 'org.codehaus.plexus:plexus-container-default' fro m the repository: Error transferring file org.codehaus.plexus:plexus-container-default:pom:1.0-alpha-8 from the specified remote repositories: central (http://repo1.maven.org/maven2), apache.snapshots (http://svn.apache.org/maven-snapshot-repository ), snapshots (http://snapshots.maven.codehaus.org/maven2) So, just for the sake of completeness I cd'd into the lower 'wicket' directory and ran 'mvn install' and got this: [INFO] [ERROR] BUILD ERROR [INFO] [INFO] Failed to resolve artifact. Error transferring file org.apache.maven.plugins:maven-surefire-plugin:maven-plugin:2.2 from the specified remote repositories: central (http://repo1.maven.org/maven2 ) Caused by I/O exception: Server returned HTTP response code: 503 for URL: http:/ /repo1.maven.org/maven2/org/apache/maven/plugins/maven-surefire-plugin/2.2/maven -surefire-plugin-2.2.jar.sha1 Sounds like it might be better in concept than Ant but you run the risk of not being able to download dependencies - not sure I like the idea of relying on an internet connection for them. Anyhow...no closer than I was before. Any ideas? On 7/7/06, Igor Vaynberg [EMAIL PROTECTED] wrote: thats what i understood from martijn. the problem is that there is a parent pom file that all other projects inherit from, so that means that parent pom has to be installed in the maven repo in order for other projects to find it when you try to build so what i would do is cd WICKET_1_2 mvn install (possibly optional if you have the whole thing checked out) cd wicket mvn install and you should be good to go -Igor On 7/7/06, V. Jenks [EMAIL PROTECTED] wrote: So, if I check out all projects at https://svn.sourceforge.net/svnroot/wicket/tags/WICKET_1_2/ https://svn.sourceforge.net/svnroot/wicket/tags/WICKET_1_2/wicket I should be able to build them w/ maven, as you described before? Igor Vaynberg wrote: svn co https://svn.sourceforge.net/svnroot/wicket/tags/WICKET_1_2/wicket will give you the 1.2 release maven doesnt work out of the box because of the new build thing martijn is trying where you need to have a parent pom installed first so its a more tedious process unless you check out the entire folder that contains all the projects. -Igor On 7/7/06, *Vincent Jenks* [EMAIL PROTECTED] mailto:[EMAIL PROTECTED] wrote: Ha! It ran w/o the exception! It would
Re: [Wicket-user] LoadableDetachableModel question
I use info()
On 7/7/06, Jerry Smith [EMAIL PROTECTED] wrote:
Using a typical situation like:
IModel myListModel = new LoadableDetachableModel() {
protected Object load() {
Object result = null;
try {
result = someServiceOrDao.findSomeListOfObjects();
} catch(Throwable t) {
???
}
return result;
}
};
How can I have the error message displayed in a FeedbackPanel for the page?
Doing a page.error(t.getMessage()) call doesn't seem to be doing anything.
Thanks!
-Jerry
Using Tomcat but need to do more? Need to support web services, security?
Get stuff done quickly with pre-integrated technology to make your job
easier
Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo
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___
Wicket-user mailing list
Wicket-user@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/wicket-user
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Get stuff done quickly with pre-integrated technology to make your job easier
Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo
http://sel.as-us.falkag.net/sel?cmd=lnkkid=120709bid=263057dat=121642
___
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Re: [Wicket-user] Testing Wicket 1.2 on Glassfish b48
)
at
java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1347)
at
java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1290)
at
java.io.ObjectOutputStream.writeObject0
(ObjectOutputStream.java:1079)
at
java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:302)
at
wicket.protocol.http.HttpSessionStore.setAttribute(HttpSessionStore.java:56)
... 33 more
If I make a reference to the SFSB and do *not* place it into Wicket's
session state - there are no problems (but of course this is useless)...
What else can I do? This is a real jam for me as my boss has expressed
interest in replacing JBoss w/ Glassfish and the one EJB3 app we've
written so far makes heavy use of a single SFSB.
Thanks again!
Igor Vaynberg wrote:
i dont know, but if the stack trace is exactly the same then log4j
still thinks debug level is enabled on that package.
-Igor
On 7/5/06, Vincent Jenks [EMAIL PROTECTED] wrote:
Alright, I stuck a log4j.properties into my src folder, rebuilt,
redeployed - still get the same exception...here's my properties file
(copied from wicket-examples):
log4j.debug=false
log4j.rootLogger=INFO
log4j.logger.org=INFO
log4j.logger.com=INFO
log4j.logger.net=INFO
log4j.logger.nl=INFO
log4j.logger.wicket=INFO
log4j.logger.wicket.protocol.http.HttpSessionStore=INFO
log4j.logger.org.apache.catalina.cluster=INFO
log4j.logger.wicket.version=INFO
log4j.logger.wicket.RequestCycle=INFO
logger.wicket.protocol.http=INFO
log4j.appender.Stdout=org.apache.log4j.ConsoleAppender
log4j.appender.Stdout.layout=org.apache.log4j.PatternLayout
log4j.appender.Stdout.layout.conversionPattern=%-5p -
%-26.26c{1} - %m\n
What am I doing wrong?
On 7/5/06, Igor Vaynberg [EMAIL PROTECTED] wrote:
well, serialization error happens here:
at
wicket.protocol.http.HttpSessionStore.setAttribute(HttpSessionStore.java:62)
if you go there you will see:
// Do some extra profiling/ debugging. This can be a great help
// just for testing whether your webbapp will behave when using
// session replication
if (log.isDebugEnabled())
so if the logger.wicket.protocol.http is not set to DEBUG level in
log4j config that code wont run as it is there mainly to help you find
serialization errors, but in this case its hitting a spot that
shouldnt usually be a problem.
-Igor
On 7/5/06, Vincent Jenks [EMAIL PROTECTED] wrote:
I'm not entirely sure what you meant by having the logger set to
debug...but I'll assume that you meant I was missing this from
web.xml?...
init-param
param-nameconfiguration/param-name
param-valueDEPLOYMENT/param-value
/init-param
I added it, rebuilt, redeployed, same exception when using a SFSB.
On 7/5/06, Igor Vaynberg [EMAIL PROTECTED] wrote:
the stuff in session is only serialized because you have the logger
set to debug, if you turn that off it should be fine.
-Igor
On 7/5/06, Vincent Jenks [EMAIL PROTECTED] wrote:
That's kind of what I was thinking...and afraid of myself - that
Glassfish isn't playing nicely w/ Wicket when attempting to
serialize
- otherwise the error doesn't make much sense.
I'm building a little test-app to demonstrate right now.
If this is the case, what can be done to work around it, if
anything?
On 7/5/06, Igor Vaynberg [EMAIL PROTECTED] wrote:
well, the problem might be that it is serialized by wicket itself.
this is done because you have the logger set to debug to help
identify
things you put into session that might not be serializable. maybe
the
container doesnt serialize the same way so when the container does
it
its not a problem, but when wicket does it it is a problem.
-Igor
On 7/5/06, Vincent Jenks [EMAIL PROTECTED] wrote:
I don't know, I would believe that if I weren't able to make a
Stateful bean and use it exactly how I did in Wicket, outside of
this
project.
I setup a test project and their stateful/stateless beans work
flawlessly when tested against JSP/Servletsthe problem arises
w/
Wicket + SFSB on Glassfish.
On 7/5/06, Igor Vaynberg [EMAIL PROTECTED] wrote:
Caused by: java.io.NotSerializableExcepti
on:
com.sun.ejb.containers.EJBLocalObjectInvocationHandlerDelegate
at
java.io.ObjectOutputStream.writeObject0
(ObjectOutputStream.java:1075)
looks like a bug in sun's impl of ejbs?
-Igor
On 7/5/06, Vincent Jenks [EMAIL PROTECTED] wrote:
I'm testing an app I just finished and is currently running on
JBoss
on Sun's Glassfish (SJAS 9.0) to test compatibility and see if
it's a
viable option going forward w/ our enterprise efforts.
I seem to be having
Re: [Wicket-user] Testing Wicket 1.2 on Glassfish b48
Well, this was the first app I've ever built w/ EJB technology of *any* version...it's sort of a pilot app for future in-house effortsso far it's worked out great. So, correct me if I'm wrong but it's my understanding that if I do not store the stub to the interface of the stateful bean in an HTTP session - I may lose the reference to that bean the next time I call it. So, I'm calling the stateful bean and storing a reference to it in http session so I can recall that exact instance back from the server later. This is how it was done in the app that is currently running in production on JBoss. On 7/6/06, Matej Knopp [EMAIL PROTECTED] wrote: Anyway, I don't really understand, why is the ejb object actually being serialized. Do you store your service objects in session? -Matej Igor Vaynberg wrote: well, the problem might be that it is serialized by wicket itself. this is done because you have the logger set to debug to help identify things you put into session that might not be serializable. maybe the container doesnt serialize the same way so when the container does it its not a problem, but when wicket does it it is a problem. -Igor On 7/5/06, Vincent Jenks [EMAIL PROTECTED] wrote: I don't know, I would believe that if I weren't able to make a Stateful bean and use it exactly how I did in Wicket, outside of this project. I setup a test project and their stateful/stateless beans work flawlessly when tested against JSP/Servletsthe problem arises w/ Wicket + SFSB on Glassfish. On 7/5/06, Igor Vaynberg [EMAIL PROTECTED] wrote: Caused by: java.io.NotSerializableExcepti on: com.sun.ejb.containers.EJBLocalObjectInvocationHandlerDelegate at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1075) looks like a bug in sun's impl of ejbs? -Igor On 7/5/06, Vincent Jenks [EMAIL PROTECTED] wrote: I'm testing an app I just finished and is currently running on JBoss on Sun's Glassfish (SJAS 9.0) to test compatibility and see if it's a viable option going forward w/ our enterprise efforts. I seem to be having an issue w/ storing objects in session. Wicket runs fine until I utilize the overridden ISessionFactory to store objects - then I start getting exceptions like this: ** StandardWrapperValve[ProductCatalogApp]: Servlet.service() for servlet ProductCatalogApp threw exception wicket.WicketRuntimeException: Internal error cloning object. Make sure all dependent objects implement Serializable. Class: com.myapp.ui.admin.UserSession at wicket.protocol.http.HttpSessionStore.setAttribute (HttpSessionStore.java:62) at wicket.Session.setAttribute(Session.java:914) at wicket.Session.update(Session.java:938) at wicket.protocol.http.WebSession.update(WebSession.java:116) at wicket.RequestCycle.detach(RequestCycle.java:818) at wicket.RequestCycle.steps(RequestCycle.java:1052) at wicket.RequestCycle.request(RequestCycle.java:453) at wicket.protocol.http.WicketServlet.doGet (WicketServlet.java:215) at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) at javax.servlet.http.HttpServlet.service(HttpServlet.java:820) at org.apache.catalina.core.ApplicationFilterChain.servletService (ApplicationFilterChain.java:397) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:278) at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:566) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:536) at org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContextValve.java:240) at org.apache.catalina.core.StandardContextValve.invoke (StandardContextValve.java:179) at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:566) at com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:73) at org.apache.catalina.core.StandardHostValve.invoke (StandardHostValve.java:182) at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:566) at com.sun.enterprise.web.VirtualServerPipeline.invoke(VirtualServerPipeline.java:120) at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:939) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:137) at org.apache.catalina.core.StandardPipeline.doInvoke (StandardPipeline.java:566) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:536) at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:939) at org.apache.coyote.tomcat5.CoyoteAdapter.service (CoyoteAdapter.java:231
Re: [Wicket-user] Testing Wicket 1.2 on Glassfish b48
OK, I've created a small test-app in Netbeans where I'm using a Wicket page and have overridden ISessionFactory in the app class to create a session. I have a page where I call the stateful bean, create it and store it in session if it's non-existent, and supply a link to clear the bean from session. When first calling the page - when the stub is first stored in session, the page fails. If I re-visit the page the values have actually been stored...amazingly enough...and the page does not fail but displays the values in session. I can click the link, clear it, and start the whole process over again and it is consistent. So that begs the question - would I be safe supressing the exception in the custom session class where I'm storing the bean stub? Or, is it possible that I'm not getting the correct reference to the bean due to the serialization failure? If someone wants a copy of my little test app - I'd be happy to send it along. On 7/6/06, Vincent Jenks [EMAIL PROTECTED] wrote: Well, this was the first app I've ever built w/ EJB technology of *any* version...it's sort of a pilot app for future in-house effortsso far it's worked out great. So, correct me if I'm wrong but it's my understanding that if I do not store the stub to the interface of the stateful bean in an HTTP session - I may lose the reference to that bean the next time I call it. So, I'm calling the stateful bean and storing a reference to it in http session so I can recall that exact instance back from the server later. This is how it was done in the app that is currently running in production on JBoss. On 7/6/06, Matej Knopp [EMAIL PROTECTED] wrote: Anyway, I don't really understand, why is the ejb object actually being serialized. Do you store your service objects in session? -Matej Igor Vaynberg wrote: well, the problem might be that it is serialized by wicket itself. this is done because you have the logger set to debug to help identify things you put into session that might not be serializable. maybe the container doesnt serialize the same way so when the container does it its not a problem, but when wicket does it it is a problem. -Igor On 7/5/06, Vincent Jenks [EMAIL PROTECTED] wrote: I don't know, I would believe that if I weren't able to make a Stateful bean and use it exactly how I did in Wicket, outside of this project. I setup a test project and their stateful/stateless beans work flawlessly when tested against JSP/Servletsthe problem arises w/ Wicket + SFSB on Glassfish. On 7/5/06, Igor Vaynberg [EMAIL PROTECTED] wrote: Caused by: java.io.NotSerializableExcepti on: com.sun.ejb.containers.EJBLocalObjectInvocationHandlerDelegate at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1075) looks like a bug in sun's impl of ejbs? -Igor On 7/5/06, Vincent Jenks [EMAIL PROTECTED] wrote: I'm testing an app I just finished and is currently running on JBoss on Sun's Glassfish (SJAS 9.0) to test compatibility and see if it's a viable option going forward w/ our enterprise efforts. I seem to be having an issue w/ storing objects in session. Wicket runs fine until I utilize the overridden ISessionFactory to store objects - then I start getting exceptions like this: ** StandardWrapperValve[ProductCatalogApp]: Servlet.service() for servlet ProductCatalogApp threw exception wicket.WicketRuntimeException: Internal error cloning object. Make sure all dependent objects implement Serializable. Class: com.myapp.ui.admin.UserSession at wicket.protocol.http.HttpSessionStore.setAttribute (HttpSessionStore.java:62) at wicket.Session.setAttribute(Session.java:914) at wicket.Session.update(Session.java:938) at wicket.protocol.http.WebSession.update(WebSession.java:116) at wicket.RequestCycle.detach(RequestCycle.java:818) at wicket.RequestCycle.steps(RequestCycle.java:1052) at wicket.RequestCycle.request(RequestCycle.java:453) at wicket.protocol.http.WicketServlet.doGet (WicketServlet.java:215) at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) at javax.servlet.http.HttpServlet.service(HttpServlet.java:820) at org.apache.catalina.core.ApplicationFilterChain.servletService (ApplicationFilterChain.java:397) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:278) at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:566) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:536) at org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContextValve.java:240
Re: [Wicket-user] Testing Wicket 1.2 on Glassfish b48
Excellent, I'll move forward then and see how it goes...thanks! On 7/6/06, Johan Compagner [EMAIL PROTECTED] wrote: that it just works is logical. It is just a test we try to serialize it so that you get a warning if that is not possible because of a non serializeable object. On 7/6/06, Vincent Jenks [EMAIL PROTECTED] wrote: OK, I've created a small test-app in Netbeans where I'm using a Wicket page and have overridden ISessionFactory in the app class to create a session. I have a page where I call the stateful bean, create it and store it in session if it's non-existent, and supply a link to clear the bean from session. When first calling the page - when the stub is first stored in session, the page fails. If I re-visit the page the values have actually been stored...amazingly enough...and the page does not fail but displays the values in session. I can click the link, clear it, and start the whole process over again and it is consistent. So that begs the question - would I be safe supressing the exception in the custom session class where I'm storing the bean stub? Or, is it possible that I'm not getting the correct reference to the bean due to the serialization failure? If someone wants a copy of my little test app - I'd be happy to send it along. On 7/6/06, Vincent Jenks [EMAIL PROTECTED] wrote: Well, this was the first app I've ever built w/ EJB technology of *any* version...it's sort of a pilot app for future in-house effortsso far it's worked out great. So, correct me if I'm wrong but it's my understanding that if I do not store the stub to the interface of the stateful bean in an HTTP session - I may lose the reference to that bean the next time I call it. So, I'm calling the stateful bean and storing a reference to it in http session so I can recall that exact instance back from the server later. This is how it was done in the app that is currently running in production on JBoss. On 7/6/06, Matej Knopp [EMAIL PROTECTED] wrote: Anyway, I don't really understand, why is the ejb object actually being serialized. Do you store your service objects in session? -Matej Igor Vaynberg wrote: well, the problem might be that it is serialized by wicket itself. this is done because you have the logger set to debug to help identify things you put into session that might not be serializable. maybe the container doesnt serialize the same way so when the container does it its not a problem, but when wicket does it it is a problem. -Igor On 7/5/06, Vincent Jenks [EMAIL PROTECTED] wrote: I don't know, I would believe that if I weren't able to make a Stateful bean and use it exactly how I did in Wicket, outside of this project. I setup a test project and their stateful/stateless beans work flawlessly when tested against JSP/Servletsthe problem arises w/ Wicket + SFSB on Glassfish. On 7/5/06, Igor Vaynberg [EMAIL PROTECTED] wrote: Caused by: java.io.NotSerializableExcepti on: com.sun.ejb.containers.EJBLocalObjectInvocationHandlerDelegate at java.io.ObjectOutputStream.writeObject0 (ObjectOutputStream.java:1075) looks like a bug in sun's impl of ejbs? -Igor On 7/5/06, Vincent Jenks [EMAIL PROTECTED] wrote: I'm testing an app I just finished and is currently running on JBoss on Sun's Glassfish (SJAS 9.0) to test compatibility and see if it's a viable option going forward w/ our enterprise efforts. I seem to be having an issue w/ storing objects in session. Wicket runs fine until I utilize the overridden ISessionFactory to store objects - then I start getting exceptions like this: ** StandardWrapperValve[ProductCatalogApp]: Servlet.service() for servlet ProductCatalogApp threw exception wicket.WicketRuntimeException: Internal error cloning object. Make sure all dependent objects implement Serializable. Class: com.myapp.ui.admin.UserSession at wicket.protocol.http.HttpSessionStore.setAttribute (HttpSessionStore.java:62) at wicket.Session.setAttribute(Session.java:914) at wicket.Session.update(Session.java:938) at wicket.protocol.http.WebSession.update(WebSession.java:116) at wicket.RequestCycle.detach (RequestCycle.java:818) at wicket.RequestCycle.steps(RequestCycle.java:1052) at wicket.RequestCycle.request(RequestCycle.java:453) at wicket.protocol.http.WicketServlet.doGet (WicketServlet.java:215) at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) at javax.servlet.http.HttpServlet.service
Re: [Wicket-user] Testing Wicket 1.2 on Glassfish b48
For whatever reason, I'm unable to supress this exception in the storefront application (where I really need it.) I've tried wrapping a try/catch around the assignment and retrieval of the SFSB stub in the custom Session class...I can't pull the bean data up w/o the exception occuring, it would seem. So again, is there a way to turn logging debugging off so the test doesn't happen at all...so I can quit trying to find work-arounds? Even if my error supression did work, it's not a very elegant solution - it might be better if the serialization wasn't being tested at all. On 7/6/06, Vincent Jenks [EMAIL PROTECTED] wrote: Excellent, I'll move forward then and see how it goes...thanks! On 7/6/06, Johan Compagner [EMAIL PROTECTED] wrote: that it just works is logical. It is just a test we try to serialize it so that you get a warning if that is not possible because of a non serializeable object. On 7/6/06, Vincent Jenks [EMAIL PROTECTED] wrote: OK, I've created a small test-app in Netbeans where I'm using a Wicket page and have overridden ISessionFactory in the app class to create a session. I have a page where I call the stateful bean, create it and store it in session if it's non-existent, and supply a link to clear the bean from session. When first calling the page - when the stub is first stored in session, the page fails. If I re-visit the page the values have actually been stored...amazingly enough...and the page does not fail but displays the values in session. I can click the link, clear it, and start the whole process over again and it is consistent. So that begs the question - would I be safe supressing the exception in the custom session class where I'm storing the bean stub? Or, is it possible that I'm not getting the correct reference to the bean due to the serialization failure? If someone wants a copy of my little test app - I'd be happy to send it along. On 7/6/06, Vincent Jenks [EMAIL PROTECTED] wrote: Well, this was the first app I've ever built w/ EJB technology of *any* version...it's sort of a pilot app for future in-house effortsso far it's worked out great. So, correct me if I'm wrong but it's my understanding that if I do not store the stub to the interface of the stateful bean in an HTTP session - I may lose the reference to that bean the next time I call it. So, I'm calling the stateful bean and storing a reference to it in http session so I can recall that exact instance back from the server later. This is how it was done in the app that is currently running in production on JBoss. On 7/6/06, Matej Knopp [EMAIL PROTECTED] wrote: Anyway, I don't really understand, why is the ejb object actually being serialized. Do you store your service objects in session? -Matej Igor Vaynberg wrote: well, the problem might be that it is serialized by wicket itself. this is done because you have the logger set to debug to help identify things you put into session that might not be serializable. maybe the container doesnt serialize the same way so when the container does it its not a problem, but when wicket does it it is a problem. -Igor On 7/5/06, Vincent Jenks [EMAIL PROTECTED] wrote: I don't know, I would believe that if I weren't able to make a Stateful bean and use it exactly how I did in Wicket, outside of this project. I setup a test project and their stateful/stateless beans work flawlessly when tested against JSP/Servletsthe problem arises w/ Wicket + SFSB on Glassfish. On 7/5/06, Igor Vaynberg [EMAIL PROTECTED] wrote: Caused by: java.io.NotSerializableExcepti on: com.sun.ejb.containers.EJBLocalObjectInvocationHandlerDelegate at java.io.ObjectOutputStream.writeObject0 (ObjectOutputStream.java:1075) looks like a bug in sun's impl of ejbs? -Igor On 7/5/06, Vincent Jenks [EMAIL PROTECTED] wrote: I'm testing an app I just finished and is currently running on JBoss on Sun's Glassfish (SJAS 9.0) to test compatibility and see if it's a viable option going forward w/ our enterprise efforts. I seem to be having an issue w/ storing objects in session. Wicket runs fine until I utilize the overridden ISessionFactory to store objects - then I start getting exceptions like this: ** StandardWrapperValve[ProductCatalogApp]: Servlet.service() for servlet ProductCatalogApp threw exception wicket.WicketRuntimeException: Internal error cloning object. Make sure all dependent objects implement Serializable. Class
Re: [Wicket-user] Testing Wicket 1.2 on Glassfish b48
That's where I put it - nothing changed so you're obviously right...it won't make a difference anyways. Hmm...this is bad...this puts me in a rough spot as I have no idea how to use a spring like proxy and am not at all familiar w/ Springand in effect I'd have no idea how to do this in Wicket or what it would involve. It's obviously going to involve me reworking a bunch of my existing code just to move to another container...which shouldn't have been the case. On 7/6/06, Igor Vaynberg [EMAIL PROTECTED] wrote: you are doing it fine, you just have to find a location for log4j.properties where glassfish will pick it up. usually it is in war/web-inf/classes -Igor On 7/6/06, Vincent Jenks [EMAIL PROTECTED] wrote: For whatever reason, I'm unable to supress this exception in the storefront application (where I really need it.) I've tried wrapping a try/catch around the assignment and retrieval of the SFSB stub in the custom Session class...I can't pull the bean data up w/o the exception occuring, it would seem. So again, is there a way to turn logging debugging off so the test doesn't happen at all...so I can quit trying to find work-arounds? Even if my error supression did work, it's not a very elegant solution - it might be better if the serialization wasn't being tested at all. On 7/6/06, Vincent Jenks [EMAIL PROTECTED] wrote: Excellent, I'll move forward then and see how it goes...thanks! On 7/6/06, Johan Compagner [EMAIL PROTECTED] wrote: that it just works is logical. It is just a test we try to serialize it so that you get a warning if that is not possible because of a non serializeable object. On 7/6/06, Vincent Jenks [EMAIL PROTECTED] wrote: OK, I've created a small test-app in Netbeans where I'm using a Wicket page and have overridden ISessionFactory in the app class to create a session. I have a page where I call the stateful bean, create it and store it in session if it's non-existent, and supply a link to clear the bean from session. When first calling the page - when the stub is first stored in session, the page fails. If I re-visit the page the values have actually been stored...amazingly enough...and the page does not fail but displays the values in session. I can click the link, clear it, and start the whole process over again and it is consistent. So that begs the question - would I be safe supressing the exception in the custom session class where I'm storing the bean stub? Or, is it possible that I'm not getting the correct reference to the bean due to the serialization failure? If someone wants a copy of my little test app - I'd be happy to send it along. On 7/6/06, Vincent Jenks [EMAIL PROTECTED] wrote: Well, this was the first app I've ever built w/ EJB technology of *any* version...it's sort of a pilot app for future in-house effortsso far it's worked out great. So, correct me if I'm wrong but it's my understanding that if I do not store the stub to the interface of the stateful bean in an HTTP session - I may lose the reference to that bean the next time I call it. So, I'm calling the stateful bean and storing a reference to it in http session so I can recall that exact instance back from the server later. This is how it was done in the app that is currently running in production on JBoss. On 7/6/06, Matej Knopp [EMAIL PROTECTED] wrote: Anyway, I don't really understand, why is the ejb object actually being serialized. Do you store your service objects in session? -Matej Igor Vaynberg wrote: well, the problem might be that it is serialized by wicket itself. this is done because you have the logger set to debug to help identify things you put into session that might not be serializable. maybe the container doesnt serialize the same way so when the container does it its not a problem, but when wicket does it it is a problem. -Igor On 7/5/06, Vincent Jenks [EMAIL PROTECTED] wrote: I don't know, I would believe that if I weren't able to make a Stateful bean and use it exactly how I did in Wicket, outside of this project. I setup a test project and their stateful/stateless beans work flawlessly when tested against JSP/Servletsthe problem arises w/ Wicket + SFSB on Glassfish. On 7/5/06, Igor Vaynberg [EMAIL PROTECTED] wrote: Caused by: java.io.NotSerializableExcepti on: com.sun.ejb.containers.EJBLocalObjectInvocationHandlerDelegate at java.io.ObjectOutputStream.writeObject0 (ObjectOutputStream.java:1075
Re: [Wicket-user] Testing Wicket 1.2 on Glassfish b48
log4j.debug=false
log4j.rootLogger=INFO
log4j.logger.org=INFO
log4j.logger.com=INFO
log4j.logger.net=INFO
log4j.logger.nl=INFO
log4j.logger.wicket=INFO
log4j.logger.wicket.protocol.http.HttpSessionStore=INFO
log4j.logger.org.apache.catalina.cluster=INFO
log4j.logger.wicket.version=INFO
log4j.logger.wicket.RequestCycle=INFO
logger.wicket.protocol.http=INFO
log4j.appender.Stdout=org.apache.log4j.ConsoleAppender
log4j.appender.Stdout.layout=org.apache.log4j.PatternLayout
log4j.appender.Stdout.layout.conversionPattern=%-5p - %-26.26c{1} - %m\n
On 7/6/06, Igor Vaynberg [EMAIL PROTECTED] wrote:
paste your complete log4j.properties file
-Igor
On 7/6/06, Vincent Jenks [EMAIL PROTECTED] wrote:
That's where I put it - nothing changed so you're obviously right...it
won't make a difference anyways.
Hmm...this is bad...this puts me in a rough spot as I have no idea how
to use a spring like proxy and am not at all familiar w/
Springand in effect I'd have no idea how to do this in Wicket or
what it would involve. It's obviously going to involve me reworking a
bunch of my existing code just to move to another container...which
shouldn't have been the case.
On 7/6/06, Igor Vaynberg [EMAIL PROTECTED] wrote:
you are doing it fine, you just have to find a location for
log4j.properties
where glassfish will pick it up. usually it is in war/web-inf/classes
-Igor
On 7/6/06, Vincent Jenks [EMAIL PROTECTED] wrote:
For whatever reason, I'm unable to supress this exception in the
storefront application (where I really need it.) I've tried wrapping
a try/catch around the assignment and retrieval of the SFSB stub in
the custom Session class...I can't pull the bean data up w/o the
exception occuring, it would seem.
So again, is there a way to turn logging debugging off so the test
doesn't happen at all...so I can quit trying to find work-arounds?
Even if my error supression did work, it's not a very elegant solution
- it might be better if the serialization wasn't being tested at all.
On 7/6/06, Vincent Jenks [EMAIL PROTECTED] wrote:
Excellent, I'll move forward then and see how it goes...thanks!
On 7/6/06, Johan Compagner [EMAIL PROTECTED] wrote:
that it just works is logical. It is just a test we try to
serialize
it so
that you get a warning if that is not possible because of a non
serializeable object.
On 7/6/06, Vincent Jenks [EMAIL PROTECTED] wrote:
OK, I've created a small test-app in Netbeans where I'm using a
Wicket
page and have overridden ISessionFactory in the app class to
create
a
session. I have a page where I call the stateful bean, create
it
and
store it in session if it's non-existent, and supply a link to
clear
the bean from session.
When first calling the page - when the stub is first stored in
session, the page fails. If I re-visit the page the values have
actually been stored...amazingly enough...and the page does not
fail
but displays the values in session. I can click the link, clear
it,
and start the whole process over again and it is consistent.
So that begs the question - would I be safe supressing the
exception
in the custom session class where I'm storing the bean stub?
Or, is
it possible that I'm not getting the correct reference to the
bean
due
to the serialization failure?
If someone wants a copy of my little test app - I'd be happy to
send
it
along.
On 7/6/06, Vincent Jenks [EMAIL PROTECTED] wrote:
Well, this was the first app I've ever built w/ EJB technology
of
*any* version...it's sort of a pilot app for future in-house
effortsso far it's worked out great.
So, correct me if I'm wrong but it's my understanding that if
I do
not
store the stub to the interface of the stateful bean in an
HTTP
session - I may lose the reference to that bean the next time
I
call
it.
So, I'm calling the stateful bean and storing a reference to
it in
http session so I can recall that exact instance back from the
server
later. This is how it was done in the app that is currently
running
in production on JBoss.
On 7/6/06, Matej Knopp [EMAIL PROTECTED] wrote:
Anyway, I don't really understand, why is the ejb object
actually
being
serialized. Do you store your service objects in session?
-Matej
Igor Vaynberg wrote:
well, the problem might be that it is serialized by wicket
itself.
this is done because you have the logger set to debug to
help
identify
things you put into session that might not be
serializable.
maybe
Re: [Wicket-user] Testing Wicket 1.2 on Glassfish b48
I have no idea...but I'm lost at this point. I have both
commons-logging and log4j in the glassfish/lib folder because it is a
requirement for using Hibernate as the persistence engine. I put the
log4j.properties in there w/ the suggested entries and restarted...the
error is the same - didn't work.
I tried deploying log4j in my war's /lib folder and packaging
log4j.properties in there...made no difference...I can't get the
exception message to change.
ugh :(
On 7/6/06, Matej Knopp [EMAIL PROTECTED] wrote:
Wicket uses commons-logging. I wonder whether glassfish doesn't have
it's own weird logger factory, just like jetty does.
-Matej
Eelco Hillenius wrote:
In fact log4j.logger.wicket=INFO should be enough.
Eelco
On 7/6/06, Vincent Jenks [EMAIL PROTECTED] wrote:
log4j.debug=false
log4j.rootLogger=INFO
log4j.logger.org=INFO
log4j.logger.com=INFO
log4j.logger.net=INFO
log4j.logger.nl=INFO
log4j.logger.wicket=INFO
log4j.logger.wicket.protocol.http.HttpSessionStore=INFO
log4j.logger.org.apache.catalina.cluster=INFO
log4j.logger.wicket.version=INFO
log4j.logger.wicket.RequestCycle=INFO
logger.wicket.protocol.http=INFO
log4j.appender.Stdout=org.apache.log4j.ConsoleAppender
log4j.appender.Stdout.layout=org.apache.log4j.PatternLayout
log4j.appender.Stdout.layout.conversionPattern=%-5p - %-26.26c{1} - %m\n
On 7/6/06, Igor Vaynberg [EMAIL PROTECTED] wrote:
paste your complete log4j.properties file
-Igor
On 7/6/06, Vincent Jenks [EMAIL PROTECTED] wrote:
That's where I put it - nothing changed so you're obviously right...it
won't make a difference anyways.
Hmm...this is bad...this puts me in a rough spot as I have no idea how
to use a spring like proxy and am not at all familiar w/
Springand in effect I'd have no idea how to do this in Wicket or
what it would involve. It's obviously going to involve me reworking a
bunch of my existing code just to move to another container...which
shouldn't have been the case.
On 7/6/06, Igor Vaynberg [EMAIL PROTECTED] wrote:
you are doing it fine, you just have to find a location for
log4j.properties
where glassfish will pick it up. usually it is in war/web-inf/classes
-Igor
On 7/6/06, Vincent Jenks [EMAIL PROTECTED] wrote:
For whatever reason, I'm unable to supress this exception in the
storefront application (where I really need it.) I've tried wrapping
a try/catch around the assignment and retrieval of the SFSB stub in
the custom Session class...I can't pull the bean data up w/o the
exception occuring, it would seem.
So again, is there a way to turn logging debugging off so the test
doesn't happen at all...so I can quit trying to find work-arounds?
Even if my error supression did work, it's not a very elegant solution
- it might be better if the serialization wasn't being tested at all.
On 7/6/06, Vincent Jenks [EMAIL PROTECTED] wrote:
Excellent, I'll move forward then and see how it goes...thanks!
On 7/6/06, Johan Compagner [EMAIL PROTECTED] wrote:
that it just works is logical. It is just a test we try to
serialize
it so
that you get a warning if that is not possible because of a non
serializeable object.
On 7/6/06, Vincent Jenks [EMAIL PROTECTED] wrote:
OK, I've created a small test-app in Netbeans where I'm using a
Wicket
page and have overridden ISessionFactory in the app class to
create
a
session. I have a page where I call the stateful bean, create
it
and
store it in session if it's non-existent, and supply a link to
clear
the bean from session.
When first calling the page - when the stub is first stored in
session, the page fails. If I re-visit the page the values have
actually been stored...amazingly enough...and the page does not
fail
but displays the values in session. I can click the link, clear
it,
and start the whole process over again and it is consistent.
So that begs the question - would I be safe supressing the
exception
in the custom session class where I'm storing the bean stub?
Or, is
it possible that I'm not getting the correct reference to the
bean
due
to the serialization failure?
If someone wants a copy of my little test app - I'd be happy to
send
it
along.
On 7/6/06, Vincent Jenks [EMAIL PROTECTED] wrote:
Well, this was the first app I've ever built w/ EJB technology
of
*any* version...it's sort of a pilot app for future in-house
effortsso far it's worked out great.
So, correct me if I'm wrong but it's my understanding that if
I do
not
store the stub to the interface of the stateful bean in an
HTTP
session - I may lose the reference to that bean the next time
I
call
it.
So, I'm calling the stateful bean and storing a reference to
it in
http session so I can recall that exact instance back from the
server
later. This is how it was done in the app
Re: [Wicket-user] Testing Wicket 1.2 on Glassfish b48
At 8:30 this morning...it's now 2:30pm here and I was the *last*
person to post to this forum at all...which is weird...it's normally
pretty busy.
http://forums.java.net/jive/thread.jspa?threadID=16673tstart=0
This is the first time I haven't gotten an answer to my problem on the
same day...they're *almost* as good as you guys! :)
On 7/6/06, Eelco Hillenius [EMAIL PROTECTED] wrote:
Did you try asking around on the glassfish list/ IRC channel (if they have
one)?
Eelco
On 7/6/06, Vincent Jenks [EMAIL PROTECTED] wrote:
I have no idea...but I'm lost at this point. I have both
commons-logging and log4j in the glassfish/lib folder because it is a
requirement for using Hibernate as the persistence engine. I put the
log4j.properties in there w/ the suggested entries and restarted...the
error is the same - didn't work.
I tried deploying log4j in my war's /lib folder and packaging
log4j.properties in there...made no difference...I can't get the
exception message to change.
ugh :(
On 7/6/06, Matej Knopp [EMAIL PROTECTED] wrote:
Wicket uses commons-logging. I wonder whether glassfish doesn't have
it's own weird logger factory, just like jetty does.
-Matej
Eelco Hillenius wrote:
In fact log4j.logger.wicket=INFO should be enough.
Eelco
On 7/6/06, Vincent Jenks [EMAIL PROTECTED] wrote:
log4j.debug=false
log4j.rootLogger=INFO
log4j.logger.org=INFO
log4j.logger.com=INFO
log4j.logger.net=INFO
log4j.logger.nl=INFO
log4j.logger.wicket=INFO
log4j.logger.wicket.protocol.http.HttpSessionStore=INFO
log4j.logger.org.apache.catalina.cluster=INFO
log4j.logger.wicket.version=INFO
log4j.logger.wicket.RequestCycle=INFO
logger.wicket.protocol.http=INFO
log4j.appender.Stdout=org.apache.log4j.ConsoleAppender
log4j.appender.Stdout.layout=org.apache.log4j.PatternLayout
log4j.appender.Stdout.layout.conversionPattern=%-5p - %-26.26c{1} -
%m\n
On 7/6/06, Igor Vaynberg [EMAIL PROTECTED] wrote:
paste your complete log4j.properties file
-Igor
On 7/6/06, Vincent Jenks [EMAIL PROTECTED] wrote:
That's where I put it - nothing changed so you're obviously
right...it
won't make a difference anyways.
Hmm...this is bad...this puts me in a rough spot as I have no idea
how
to use a spring like proxy and am not at all familiar w/
Springand in effect I'd have no idea how to do this in Wicket or
what it would involve. It's obviously going to involve me reworking
a
bunch of my existing code just to move to another container...which
shouldn't have been the case.
On 7/6/06, Igor Vaynberg [EMAIL PROTECTED] wrote:
you are doing it fine, you just have to find a location for
log4j.properties
where glassfish will pick it up. usually it is in
war/web-inf/classes
-Igor
On 7/6/06, Vincent Jenks [EMAIL PROTECTED] wrote:
For whatever reason, I'm unable to supress this exception in the
storefront application (where I really need it.) I've tried
wrapping
a try/catch around the assignment and retrieval of the SFSB stub in
the custom Session class...I can't pull the bean data up w/o the
exception occuring, it would seem.
So again, is there a way to turn logging debugging off so the test
doesn't happen at all...so I can quit trying to find work-arounds?
Even if my error supression did work, it's not a very elegant
solution
- it might be better if the serialization wasn't being tested at
all.
On 7/6/06, Vincent Jenks [EMAIL PROTECTED] wrote:
Excellent, I'll move forward then and see how it goes...thanks!
On 7/6/06, Johan Compagner [EMAIL PROTECTED] wrote:
that it just works is logical. It is just a test we try to
serialize
it so
that you get a warning if that is not possible because of a non
serializeable object.
On 7/6/06, Vincent Jenks [EMAIL PROTECTED] wrote:
OK, I've created a small test-app in Netbeans where I'm using a
Wicket
page and have overridden ISessionFactory in the app class to
create
a
session. I have a page where I call the stateful bean, create
it
and
store it in session if it's non-existent, and supply a link to
clear
the bean from session.
When first calling the page - when the stub is first stored in
session, the page fails. If I re-visit the page the values have
actually been stored...amazingly enough...and the page does not
fail
but displays the values in session. I can click the link, clear
it,
and start the whole process over again and it is consistent.
So that begs the question - would I be safe supressing the
exception
in the custom session class where I'm storing the bean stub?
Or, is
it possible that I'm
Re: [Wicket-user] Testing Wicket 1.2 on Glassfish b48
OK, checked it out and I made my changebut bare w/ me...I'm almost
completely unfamiliar w/ Ant and I figured that'd be the easiest way
to build it?
So, how do I build this sucker?
On 7/6/06, Igor Vaynberg [EMAIL PROTECTED] wrote:
well, if it comes down to it just check out wicket, remove that portion of
code, and deploy it that way
-Igor
On 7/6/06, Vincent Jenks [EMAIL PROTECTED] wrote:
At 8:30 this morning...it's now 2:30pm here and I was the *last*
person to post to this forum at all...which is weird...it's normally
pretty busy.
http://forums.java.net/jive/thread.jspa?threadID=16673tstart=0
This is the first time I haven't gotten an answer to my problem on the
same day...they're *almost* as good as you guys! :)
On 7/6/06, Eelco Hillenius [EMAIL PROTECTED] wrote:
Did you try asking around on the glassfish list/ IRC channel (if they
have one)?
Eelco
On 7/6/06, Vincent Jenks [EMAIL PROTECTED] wrote:
I have no idea...but I'm lost at this point. I have both
commons-logging and log4j in the glassfish/lib folder because it is a
requirement for using Hibernate as the persistence engine. I put the
log4j.properties in there w/ the suggested entries and restarted...the
error is the same - didn't work.
I tried deploying log4j in my war's /lib folder and packaging
log4j.properties in there...made no difference...I can't get the
exception message to change.
ugh :(
On 7/6/06, Matej Knopp [EMAIL PROTECTED] wrote:
Wicket uses commons-logging. I wonder whether glassfish doesn't have
it's own weird logger factory, just like jetty does.
-Matej
Eelco Hillenius wrote:
In fact log4j.logger.wicket=INFO should be enough.
Eelco
On 7/6/06, Vincent Jenks [EMAIL PROTECTED] wrote:
log4j.debug=false
log4j.rootLogger=INFO
log4j.logger.org=INFO
log4j.logger.com=INFO
log4j.logger.net=INFO
log4j.logger.nl=INFO
log4j.logger.wicket=INFO
log4j.logger.wicket.protocol.http.HttpSessionStore=INFO
log4j.logger.org.apache.catalina.cluster=INFO
log4j.logger.wicket.version=INFO
log4j.logger.wicket.RequestCycle=INFO
logger.wicket.protocol.http=INFO
log4j.appender.Stdout=org.apache.log4j.ConsoleAppender
log4j.appender.Stdout.layout=org.apache.log4j.PatternLayout
log4j.appender.Stdout.layout.conversionPattern=%-5p -
%-26.26c{1} - %m\n
On 7/6/06, Igor Vaynberg [EMAIL PROTECTED] wrote:
paste your complete log4j.properties file
-Igor
On 7/6/06, Vincent Jenks [EMAIL PROTECTED] wrote:
That's where I put it - nothing changed so you're obviously
right...it
won't make a difference anyways.
Hmm...this is bad...this puts me in a rough spot as I have no
idea how
to use a spring like proxy and am not at all familiar w/
Springand in effect I'd have no idea how to do this in
Wicket or
what it would involve. It's obviously going to involve me
reworking a
bunch of my existing code just to move to another
container...which
shouldn't have been the case.
On 7/6/06, Igor Vaynberg [EMAIL PROTECTED] wrote:
you are doing it fine, you just have to find a location for
log4j.properties
where glassfish will pick it up. usually it is in
war/web-inf/classes
-Igor
On 7/6/06, Vincent Jenks [EMAIL PROTECTED] wrote:
For whatever reason, I'm unable to supress this exception in
the
storefront application (where I really need it.) I've tried
wrapping
a try/catch around the assignment and retrieval of the SFSB
stub in
the custom Session class...I can't pull the bean data up w/o
the
exception occuring, it would seem.
So again, is there a way to turn logging debugging off so the
test
doesn't happen at all...so I can quit trying to find
work-arounds?
Even if my error supression did work, it's not a very elegant
solution
- it might be better if the serialization wasn't being tested
at all.
On 7/6/06, Vincent Jenks [EMAIL PROTECTED] wrote:
Excellent, I'll move forward then and see how it
goes...thanks!
On 7/6/06, Johan Compagner [EMAIL PROTECTED] wrote:
that it just works is logical. It is just a test we try to
serialize
it so
that you get a warning if that is not possible because of a
non
serializeable object.
On 7/6/06, Vincent Jenks [EMAIL PROTECTED] wrote:
OK, I've created a small test-app in Netbeans where I'm
using a
Wicket
page and have overridden ISessionFactory in the app class
to
create
a
session. I have a page where I call the stateful bean,
create
Re: [Wicket-user] Testing Wicket 1.2 on Glassfish b48
I've heard of it but am not familiar...I'll look into it.
I was going to make a lib project in eclipse or netbeans and build it
that way but realized there's probably a pile of dependencies I don't
have...won't that be an issue even w/ maven?
All the lib folders only contain clover
On 7/6/06, Igor Vaynberg [EMAIL PROTECTED] wrote:
naaah use maven2
make the change in the src folder
type mvn package and you will have a .jar ready in the target dir
-Igor
On 7/6/06, Vincent Jenks [EMAIL PROTECTED] wrote:
OK, checked it out and I made my changebut bare w/ me...I'm almost
completely unfamiliar w/ Ant and I figured that'd be the easiest way
to build it?
So, how do I build this sucker?
On 7/6/06, Igor Vaynberg [EMAIL PROTECTED] wrote:
well, if it comes down to it just check out wicket, remove that portion
of
code, and deploy it that way
-Igor
On 7/6/06, Vincent Jenks [EMAIL PROTECTED] wrote:
At 8:30 this morning...it's now 2:30pm here and I was the *last*
person to post to this forum at all...which is weird...it's normally
pretty busy.
http://forums.java.net/jive/thread.jspa?threadID=16673tstart=0
This is the first time I haven't gotten an answer to my problem on the
same day...they're *almost* as good as you guys! :)
On 7/6/06, Eelco Hillenius [EMAIL PROTECTED] wrote:
Did you try asking around on the glassfish list/ IRC channel (if
they
have one)?
Eelco
On 7/6/06, Vincent Jenks [EMAIL PROTECTED] wrote:
I have no idea...but I'm lost at this point. I have both
commons-logging and log4j in the glassfish/lib folder because it
is a
requirement for using Hibernate as the persistence engine. I put
the
log4j.properties in there w/ the suggested entries and
restarted...the
error is the same - didn't work.
I tried deploying log4j in my war's /lib folder and packaging
log4j.properties in there...made no difference...I can't get the
exception message to change.
ugh :(
On 7/6/06, Matej Knopp [EMAIL PROTECTED] wrote:
Wicket uses commons-logging. I wonder whether glassfish doesn't
have
it's own weird logger factory, just like jetty does.
-Matej
Eelco Hillenius wrote:
In fact log4j.logger.wicket=INFO should be enough.
Eelco
On 7/6/06, Vincent Jenks [EMAIL PROTECTED] wrote:
log4j.debug=false
log4j.rootLogger=INFO
log4j.logger.org=INFO
log4j.logger.com=INFO
log4j.logger.net=INFO
log4j.logger.nl=INFO
log4j.logger.wicket=INFO
log4j.logger.wicket.protocol.http.HttpSessionStore=INFO
log4j.logger.org.apache.catalina.cluster=INFO
log4j.logger.wicket.version=INFO
log4j.logger.wicket.RequestCycle=INFO
logger.wicket.protocol.http=INFO
log4j.appender.Stdout=org.apache.log4j.ConsoleAppender
log4j.appender.Stdout.layout=org.apache.log4j.PatternLayout
log4j.appender.Stdout.layout.conversionPattern=%-5p -
%-26.26c{1} - %m\n
On 7/6/06, Igor Vaynberg [EMAIL PROTECTED] wrote:
paste your complete log4j.properties file
-Igor
On 7/6/06, Vincent Jenks [EMAIL PROTECTED] wrote:
That's where I put it - nothing changed so you're obviously
right...it
won't make a difference anyways.
Hmm...this is bad...this puts me in a rough spot as I have
no
idea how
to use a spring like proxy and am not at all familiar w/
Springand in effect I'd have no idea how to do this in
Wicket or
what it would involve. It's obviously going to involve me
reworking a
bunch of my existing code just to move to another
container...which
shouldn't have been the case.
On 7/6/06, Igor Vaynberg [EMAIL PROTECTED] wrote:
you are doing it fine, you just have to find a location
for
log4j.properties
where glassfish will pick it up. usually it is in
war/web-inf/classes
-Igor
On 7/6/06, Vincent Jenks [EMAIL PROTECTED]
wrote:
For whatever reason, I'm unable to supress this exception
in
the
storefront application (where I really need it.) I've
tried
wrapping
a try/catch around the assignment and retrieval of the
SFSB
stub in
the custom Session class...I can't pull the bean data up
w/o
the
exception occuring, it would seem.
So again, is there a way to turn logging debugging off so
the
test
doesn't happen at all...so I can quit trying to find
work-arounds?
Even if my error supression did work, it's not a very
elegant
solution
[Wicket-user] Testing Wicket 1.2 on Glassfish b48
I'm testing an app I just finished and is currently running on JBoss
on Sun's Glassfish (SJAS 9.0) to test compatibility and see if it's a
viable option going forward w/ our enterprise efforts.
I seem to be having an issue w/ storing objects in session. Wicket
runs fine until I utilize the overridden ISessionFactory to store
objects - then I start getting exceptions like this:
**
StandardWrapperValve[ProductCatalogApp]: Servlet.service() for servlet
ProductCatalogApp threw exception
wicket.WicketRuntimeException: Internal error cloning object. Make
sure all dependent objects implement Serializable. Class:
com.myapp.ui.admin.UserSession
at
wicket.protocol.http.HttpSessionStore.setAttribute(HttpSessionStore.java:62)
at wicket.Session.setAttribute(Session.java:914)
at wicket.Session.update(Session.java:938)
at wicket.protocol.http.WebSession.update(WebSession.java:116)
at wicket.RequestCycle.detach(RequestCycle.java:818)
at wicket.RequestCycle.steps(RequestCycle.java:1052)
at wicket.RequestCycle.request(RequestCycle.java:453)
at wicket.protocol.http.WicketServlet.doGet(WicketServlet.java:215)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:707)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
at
org.apache.catalina.core.ApplicationFilterChain.servletService(ApplicationFilterChain.java:397)
at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:278)
at
org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:566)
at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:536)
at
org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContextValve.java:240)
at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:179)
at
org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:566)
at com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:73)
at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:182)
at
org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:566)
at
com.sun.enterprise.web.VirtualServerPipeline.invoke(VirtualServerPipeline.java:120)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:939)
at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:137)
at
org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:566)
at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:536)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:939)
at
org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:231)
at
com.sun.enterprise.web.connector.grizzly.ProcessorTask.invokeAdapter(ProcessorTask.java:667)
at
com.sun.enterprise.web.connector.grizzly.ProcessorTask.processNonBlocked(ProcessorTask.java:574)
at
com.sun.enterprise.web.connector.grizzly.ProcessorTask.process(ProcessorTask.java:844)
at
com.sun.enterprise.web.connector.grizzly.ReadTask.executeProcessorTask(ReadTask.java:287)
at
com.sun.enterprise.web.connector.grizzly.ReadTask.doTask(ReadTask.java:212)
at
com.sun.enterprise.web.connector.grizzly.TaskBase.run(TaskBase.java:252)
at
com.sun.enterprise.web.connector.grizzly.WorkerThread.run(WorkerThread.java:75)
Caused by: java.io.NotSerializableException:
com.sun.ejb.containers.EJBLocalObjectInvocationHandlerDelegate
at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1075)
at
java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1369)
at
java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1341)
at
java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1284)
at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1073)
at
java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1369)
at
java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1341)
at
java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1284)
at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1073)
at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:291)
at
wicket.protocol.http.HttpSessionStore.setAttribute(HttpSessionStore.java:56)
... 33 more
**
The ProductCatalogApp (my wicket application class) looks like this:
public class ProductCatalogApp extends WebApplication
{
public void init()
{
//create external images resource
Re: [Wicket-user] Testing Wicket 1.2 on Glassfish b48
I don't know, I would believe that if I weren't able to make a Stateful bean and use it exactly how I did in Wicket, outside of this project. I setup a test project and their stateful/stateless beans work flawlessly when tested against JSP/Servletsthe problem arises w/ Wicket + SFSB on Glassfish. On 7/5/06, Igor Vaynberg [EMAIL PROTECTED] wrote: Caused by: java.io.NotSerializableExcepti on: com.sun.ejb.containers.EJBLocalObjectInvocationHandlerDelegate at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1075) looks like a bug in sun's impl of ejbs? -Igor On 7/5/06, Vincent Jenks [EMAIL PROTECTED] wrote: I'm testing an app I just finished and is currently running on JBoss on Sun's Glassfish (SJAS 9.0) to test compatibility and see if it's a viable option going forward w/ our enterprise efforts. I seem to be having an issue w/ storing objects in session. Wicket runs fine until I utilize the overridden ISessionFactory to store objects - then I start getting exceptions like this: ** StandardWrapperValve[ProductCatalogApp]: Servlet.service() for servlet ProductCatalogApp threw exception wicket.WicketRuntimeException: Internal error cloning object. Make sure all dependent objects implement Serializable. Class: com.myapp.ui.admin.UserSession at wicket.protocol.http.HttpSessionStore.setAttribute (HttpSessionStore.java:62) at wicket.Session.setAttribute(Session.java:914) at wicket.Session.update(Session.java:938) at wicket.protocol.http.WebSession.update(WebSession.java:116) at wicket.RequestCycle.detach(RequestCycle.java:818) at wicket.RequestCycle.steps(RequestCycle.java:1052) at wicket.RequestCycle.request(RequestCycle.java:453) at wicket.protocol.http.WicketServlet.doGet (WicketServlet.java:215) at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) at javax.servlet.http.HttpServlet.service(HttpServlet.java:820) at org.apache.catalina.core.ApplicationFilterChain.servletService (ApplicationFilterChain.java:397) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:278) at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:566) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:536) at org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContextValve.java:240) at org.apache.catalina.core.StandardContextValve.invoke (StandardContextValve.java:179) at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:566) at com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:73) at org.apache.catalina.core.StandardHostValve.invoke (StandardHostValve.java:182) at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:566) at com.sun.enterprise.web.VirtualServerPipeline.invoke(VirtualServerPipeline.java:120) at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:939) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:137) at org.apache.catalina.core.StandardPipeline.doInvoke (StandardPipeline.java:566) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:536) at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:939) at org.apache.coyote.tomcat5.CoyoteAdapter.service (CoyoteAdapter.java:231) at com.sun.enterprise.web.connector.grizzly.ProcessorTask.invokeAdapter(ProcessorTask.java:667) at com.sun.enterprise.web.connector.grizzly.ProcessorTask.processNonBlocked(ProcessorTask.java :574) at com.sun.enterprise.web.connector.grizzly.ProcessorTask.process(ProcessorTask.java:844) at com.sun.enterprise.web.connector.grizzly.ReadTask.executeProcessorTask(ReadTask.java:287) at com.sun.enterprise.web.connector.grizzly.ReadTask.doTask(ReadTask.java:212) at com.sun.enterprise.web.connector.grizzly.TaskBase.run(TaskBase.java:252) at com.sun.enterprise.web.connector.grizzly.WorkerThread.run (WorkerThread.java:75) Caused by: java.io.NotSerializableException: com.sun.ejb.containers.EJBLocalObjectInvocationHandlerDelegate at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1075) at java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1369) at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1341) at java.io.ObjectOutputStream.writeOrdinaryObject (ObjectOutputStream.java:1284) at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1073) at java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1369
Re: [Wicket-user] Testing Wicket 1.2 on Glassfish b48
That's kind of what I was thinking...and afraid of myself - that Glassfish isn't playing nicely w/ Wicket when attempting to serialize - otherwise the error doesn't make much sense. I'm building a little test-app to demonstrate right now. If this is the case, what can be done to work around it, if anything? On 7/5/06, Igor Vaynberg [EMAIL PROTECTED] wrote: well, the problem might be that it is serialized by wicket itself. this is done because you have the logger set to debug to help identify things you put into session that might not be serializable. maybe the container doesnt serialize the same way so when the container does it its not a problem, but when wicket does it it is a problem. -Igor On 7/5/06, Vincent Jenks [EMAIL PROTECTED] wrote: I don't know, I would believe that if I weren't able to make a Stateful bean and use it exactly how I did in Wicket, outside of this project. I setup a test project and their stateful/stateless beans work flawlessly when tested against JSP/Servletsthe problem arises w/ Wicket + SFSB on Glassfish. On 7/5/06, Igor Vaynberg [EMAIL PROTECTED] wrote: Caused by: java.io.NotSerializableExcepti on: com.sun.ejb.containers.EJBLocalObjectInvocationHandlerDelegate at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1075) looks like a bug in sun's impl of ejbs? -Igor On 7/5/06, Vincent Jenks [EMAIL PROTECTED] wrote: I'm testing an app I just finished and is currently running on JBoss on Sun's Glassfish (SJAS 9.0) to test compatibility and see if it's a viable option going forward w/ our enterprise efforts. I seem to be having an issue w/ storing objects in session. Wicket runs fine until I utilize the overridden ISessionFactory to store objects - then I start getting exceptions like this: ** StandardWrapperValve[ProductCatalogApp]: Servlet.service() for servlet ProductCatalogApp threw exception wicket.WicketRuntimeException: Internal error cloning object. Make sure all dependent objects implement Serializable. Class: com.myapp.ui.admin.UserSession at wicket.protocol.http.HttpSessionStore.setAttribute (HttpSessionStore.java:62) at wicket.Session.setAttribute(Session.java:914) at wicket.Session.update(Session.java:938) at wicket.protocol.http.WebSession.update(WebSession.java:116) at wicket.RequestCycle.detach(RequestCycle.java:818) at wicket.RequestCycle.steps(RequestCycle.java:1052) at wicket.RequestCycle.request(RequestCycle.java:453) at wicket.protocol.http.WicketServlet.doGet (WicketServlet.java:215) at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) at javax.servlet.http.HttpServlet.service(HttpServlet.java:820) at org.apache.catalina.core.ApplicationFilterChain.servletService (ApplicationFilterChain.java:397) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:278) at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:566) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:536) at org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContextValve.java:240) at org.apache.catalina.core.StandardContextValve.invoke (StandardContextValve.java:179) at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:566) at com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:73) at org.apache.catalina.core.StandardHostValve.invoke (StandardHostValve.java:182) at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:566) at com.sun.enterprise.web.VirtualServerPipeline.invoke(VirtualServerPipeline.java:120) at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:939) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:137) at org.apache.catalina.core.StandardPipeline.doInvoke (StandardPipeline.java:566) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:536) at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:939) at org.apache.coyote.tomcat5.CoyoteAdapter.service (CoyoteAdapter.java:231) at com.sun.enterprise.web.connector.grizzly.ProcessorTask.invokeAdapter(ProcessorTask.java:667) at com.sun.enterprise.web.connector.grizzly.ProcessorTask.processNonBlocked(ProcessorTask.java :574) at com.sun.enterprise.web.connector.grizzly.ProcessorTask.process(ProcessorTask.java:844
Re: [Wicket-user] Testing Wicket 1.2 on Glassfish b48
I'm not entirely sure what you meant by having the logger set to debug...but I'll assume that you meant I was missing this from web.xml?... init-param param-nameconfiguration/param-name param-valueDEPLOYMENT/param-value /init-param I added it, rebuilt, redeployed, same exception when using a SFSB. On 7/5/06, Igor Vaynberg [EMAIL PROTECTED] wrote: the stuff in session is only serialized because you have the logger set to debug, if you turn that off it should be fine. -Igor On 7/5/06, Vincent Jenks [EMAIL PROTECTED] wrote: That's kind of what I was thinking...and afraid of myself - that Glassfish isn't playing nicely w/ Wicket when attempting to serialize - otherwise the error doesn't make much sense. I'm building a little test-app to demonstrate right now. If this is the case, what can be done to work around it, if anything? On 7/5/06, Igor Vaynberg [EMAIL PROTECTED] wrote: well, the problem might be that it is serialized by wicket itself. this is done because you have the logger set to debug to help identify things you put into session that might not be serializable. maybe the container doesnt serialize the same way so when the container does it its not a problem, but when wicket does it it is a problem. -Igor On 7/5/06, Vincent Jenks [EMAIL PROTECTED] wrote: I don't know, I would believe that if I weren't able to make a Stateful bean and use it exactly how I did in Wicket, outside of this project. I setup a test project and their stateful/stateless beans work flawlessly when tested against JSP/Servletsthe problem arises w/ Wicket + SFSB on Glassfish. On 7/5/06, Igor Vaynberg [EMAIL PROTECTED] wrote: Caused by: java.io.NotSerializableExcepti on: com.sun.ejb.containers.EJBLocalObjectInvocationHandlerDelegate at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1075) looks like a bug in sun's impl of ejbs? -Igor On 7/5/06, Vincent Jenks [EMAIL PROTECTED] wrote: I'm testing an app I just finished and is currently running on JBoss on Sun's Glassfish (SJAS 9.0) to test compatibility and see if it's a viable option going forward w/ our enterprise efforts. I seem to be having an issue w/ storing objects in session. Wicket runs fine until I utilize the overridden ISessionFactory to store objects - then I start getting exceptions like this: ** StandardWrapperValve[ProductCatalogApp]: Servlet.service() for servlet ProductCatalogApp threw exception wicket.WicketRuntimeException: Internal error cloning object. Make sure all dependent objects implement Serializable. Class: com.myapp.ui.admin.UserSession at wicket.protocol.http.HttpSessionStore.setAttribute (HttpSessionStore.java:62) at wicket.Session.setAttribute(Session.java:914) at wicket.Session.update(Session.java:938) at wicket.protocol.http.WebSession.update(WebSession.java:116) at wicket.RequestCycle.detach(RequestCycle.java:818) at wicket.RequestCycle.steps(RequestCycle.java:1052) at wicket.RequestCycle.request(RequestCycle.java:453) at wicket.protocol.http.WicketServlet.doGet (WicketServlet.java:215) at javax.servlet.http.HttpServlet.service(HttpServlet.java:707) at javax.servlet.http.HttpServlet.service(HttpServlet.java:820) at org.apache.catalina.core.ApplicationFilterChain.servletService (ApplicationFilterChain.java:397) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:278) at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:566) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:536) at org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContextValve.java:240) at org.apache.catalina.core.StandardContextValve.invoke (StandardContextValve.java:179) at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:566) at com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:73) at org.apache.catalina.core.StandardHostValve.invoke (StandardHostValve.java:182) at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:566) at com.sun.enterprise.web.VirtualServerPipeline.invoke(VirtualServerPipeline.java:120) at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:939
Re: [Wicket-user] Testing Wicket 1.2 on Glassfish b48
Alright, I stuck a log4j.properties into my src folder, rebuilt,
redeployed - still get the same exception...here's my properties file
(copied from wicket-examples):
log4j.debug=false
log4j.rootLogger=INFO
log4j.logger.org=INFO
log4j.logger.com=INFO
log4j.logger.net=INFO
log4j.logger.nl=INFO
log4j.logger.wicket=INFO
log4j.logger.wicket.protocol.http.HttpSessionStore=INFO
log4j.logger.org.apache.catalina.cluster=INFO
log4j.logger.wicket.version=INFO
log4j.logger.wicket.RequestCycle=INFO
logger.wicket.protocol.http=INFO
log4j.appender.Stdout=org.apache.log4j.ConsoleAppender
log4j.appender.Stdout.layout=org.apache.log4j.PatternLayout
log4j.appender.Stdout.layout.conversionPattern=%-5p - %-26.26c{1} - %m\n
What am I doing wrong?
On 7/5/06, Igor Vaynberg [EMAIL PROTECTED] wrote:
well, serialization error happens here:
at
wicket.protocol.http.HttpSessionStore.setAttribute(HttpSessionStore.java:62)
if you go there you will see:
// Do some extra profiling/ debugging. This can be a great help
// just for testing whether your webbapp will behave when using
// session replication
if (log.isDebugEnabled())
so if the logger.wicket.protocol.http is not set to DEBUG level in
log4j config that code wont run as it is there mainly to help you find
serialization errors, but in this case its hitting a spot that
shouldnt usually be a problem.
-Igor
On 7/5/06, Vincent Jenks [EMAIL PROTECTED] wrote:
I'm not entirely sure what you meant by having the logger set to
debug...but I'll assume that you meant I was missing this from
web.xml?...
init-param
param-nameconfiguration/param-name
param-valueDEPLOYMENT/param-value
/init-param
I added it, rebuilt, redeployed, same exception when using a SFSB.
On 7/5/06, Igor Vaynberg [EMAIL PROTECTED] wrote:
the stuff in session is only serialized because you have the logger
set to debug, if you turn that off it should be fine.
-Igor
On 7/5/06, Vincent Jenks [EMAIL PROTECTED] wrote:
That's kind of what I was thinking...and afraid of myself - that
Glassfish isn't playing nicely w/ Wicket when attempting to serialize
- otherwise the error doesn't make much sense.
I'm building a little test-app to demonstrate right now.
If this is the case, what can be done to work around it, if anything?
On 7/5/06, Igor Vaynberg [EMAIL PROTECTED] wrote:
well, the problem might be that it is serialized by wicket itself.
this is done because you have the logger set to debug to help identify
things you put into session that might not be serializable. maybe the
container doesnt serialize the same way so when the container does it
its not a problem, but when wicket does it it is a problem.
-Igor
On 7/5/06, Vincent Jenks [EMAIL PROTECTED] wrote:
I don't know, I would believe that if I weren't able to make a
Stateful bean and use it exactly how I did in Wicket, outside of
this
project.
I setup a test project and their stateful/stateless beans work
flawlessly when tested against JSP/Servletsthe problem arises w/
Wicket + SFSB on Glassfish.
On 7/5/06, Igor Vaynberg [EMAIL PROTECTED] wrote:
Caused by: java.io.NotSerializableExcepti
on:
com.sun.ejb.containers.EJBLocalObjectInvocationHandlerDelegate
at
java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1075)
looks like a bug in sun's impl of ejbs?
-Igor
On 7/5/06, Vincent Jenks [EMAIL PROTECTED] wrote:
I'm testing an app I just finished and is currently running on
JBoss
on Sun's Glassfish (SJAS 9.0) to test compatibility and see if
it's a
viable option going forward w/ our enterprise efforts.
I seem to be having an issue w/ storing objects in session.
Wicket
runs fine until I utilize the overridden ISessionFactory to store
objects - then I start getting exceptions like this:
**
StandardWrapperValve[ProductCatalogApp]: Servlet.service()
for servlet
ProductCatalogApp threw exception
wicket.WicketRuntimeException: Internal error cloning object. Make
sure all dependent objects implement Serializable. Class:
com.myapp.ui.admin.UserSession
at
wicket.protocol.http.HttpSessionStore.setAttribute
(HttpSessionStore.java:62)
at wicket.Session.setAttribute(Session.java:914)
at wicket.Session.update(Session.java:938)
at
wicket.protocol.http.WebSession.update(WebSession.java:116)
at wicket.RequestCycle.detach(RequestCycle.java:818)
at wicket.RequestCycle.steps
[Wicket-user] @EJB Injection
In Java EE 5, instead of using JNDI lookups to get a stub to an EJB we'll have the ability to just inject it w/ a simple @EJB annotation. I see that JBoss will support this for Servlets JSP in the near-future...what will be needed to support this in Wicket? Anything at all? There are a couple of servers, i.e. Glassfish that support this already...but going forward I'm sure all of the major vendors will. Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnkkid=120709bid=263057dat=121642 ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user
Re: [Wicket-user] @EJB Injection
Excellent, thanks Igor! On 6/27/06, Igor Vaynberg [EMAIL PROTECTED] wrote: you need to recreate what we do for spring with @SpringBean annotation but instead use the @EJB annotation if you are using 1.2 see wicket-spring and how it creates proxies. see AnnotSpringInjector and AnnotSpringWebApplication what it will boil down to is for you to create an EjbProxyFieldValueFactory implements IFieldValueFactory - thats really the trickest part and is pretty simple. the rest is configuration. if you are using 2.0 the non-spring related proxy stuff that is in wicket-spring has been moved to extensions. -Igor On 6/27/06, Vincent Jenks [EMAIL PROTECTED] wrote: In Java EE 5, instead of using JNDI lookups to get a stub to an EJB we'll have the ability to just inject it w/ a simple @EJB annotation. I see that JBoss will support this for Servlets JSP in the near-future...what will be needed to support this in Wicket? Anything at all? There are a couple of servers, i.e. Glassfish that support this already...but going forward I'm sure all of the major vendors will. Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnkkid=120709bid=263057dat=121642 ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnkkid=120709bid=263057dat=121642 ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnkkid=120709bid=263057dat=121642 ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user
Re: [Wicket-user] Plan to develop a portal
Yeah...I could use some bookmarkable pages but just didn't. Since we're doing paid advertising and not worry so much about indexing on google it wasn't a huge concern to get one or two pages in the entire cart indexed - the snakeriverfarms.com site is more of a brochure site and they'd probably target that before the cart, which sits behind the site. I know the portal would be a big project but it's definitely something I'm interested in doing...though I'm going to research all options before any real work gets done there...want to be sure it gets done right. I'm not too familiar w/ the portlets spec but from what I've read, it's going in the direction of being closely tied to JSF, especially in future implementations. If that's the case, I'd be interested in avoiding it altogether - I'm not real impressed by what I see in JSF today...even the good implementations. However, if there were a way to somehow tie Wicket into the spec...I'd definitely look at it! On 6/14/06, Eelco Hillenius [EMAIL PROTECTED] wrote: Thanks for sharing and congrats. Tiny remark: wouldn't you want to work with bookmarkable pages more, especially for things like contact details, terms of use, etc? You shouldn't really need to be in a session to access those pages (you probably want google to index them) and if you mount the urls to those pages, that will look even better! About the portal... that's a non-trivial task. Depending on how many services you actually want to develop of course. Wouldn't it be a better idea to look at JSR168 portal servers and see how Wicket can be fit in? Janne still has the idea of working on Wicket support for 2.0; maybe you can tickle him a bit ;) Eelco On 6/14/06, Vincent Jenks [EMAIL PROTECTED] wrote: So, I finally completed our first Wicket experiment - the infamous storefront I've been blathering about endlessly: http://www.snakeriverfarms.com/ - click the animated gif on the bottom-left of the page. I'm hoping it leads to more Wicket-based projects for me here at work but I've got definite plans of my own - the first of which is a Portal based on Wicket. We have a really crappy portal here at work that was quite expensive...and I'd really like to build something better myself w/ Wicket EJB 3.0. As far as I know, there's nothing out there like that currently, is there? I was looking at JSR-286 but it looks like it's geared toward JSF, am I correct? If that were the case I'd have no interest in conforming to it - but please correct me if I'm wrong. I'd like to begin planning it right away but I thought I'd take some feedback from the good folks behind Wicket first since you've all been so helpful so far! I've never built anything quite as modular as a portal before and I'm not sure where to begin as far as making portlets dynamically loadable modular while keeping performance acceptable. I'd like to build an initial, rough, alpha-quality base to release as an open source project and work from there. I've never created my own open source project either, so any input there would be helpful! Thanks all! -v ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user
Re: [Wicket-user] Plan to develop a portal
well one more thingi left your site on for a long time and then tried doing something and then the wicket orange Page Expired came to me. I thought this was a necessary evil because of Wicket being session-based? Users of this site aren't likely to sit there for very long, honestly. Their cart will expire if they leave it sit as well and that is intentional behavior since it is a stateful session bean. try to make it into something as sleek as your major site :) Do you mean the parent-site, snakeriverfarms.com? What do you mean by sleek, exactly? If you're referring to the design, I didn't design either of them and really don't care how they look - we have a designer here that did both of them and takes care of that. Is there something in particular that's not sleek about it? On 6/14/06, Vincent Jenks [EMAIL PROTECTED] wrote: So, I finally completed our first Wicket experiment - the infamous storefront I've been blathering about endlessly: ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user
Re: [Wicket-user] Plan to develop a portal
I'm kind of glad we're having this discussion here - it's not really off-topic since I'm still half-wanting to be convinced that I could use Spring in this project :D So, you're saying I don't *have* to wire classes together w/ XML in Spring but I could use GenericApplicationContext.registerBeanDefinition() programmatically instead? What are the drawbacks (besides the obvious - externalization.) I looked into Spring 2.0 yesterday shortly...it looks like they've done some work to be JPA (EJB 3 persistence) friendly...but I have to admit I really wasn't crazy about what I was seeing there - just template support for JPA. On 6/15/06, Igor Vaynberg [EMAIL PROTECTED] wrote: On 6/15/06, John Patterson [EMAIL PROTECTED] wrote: Igor, sorry to turn this into a Spring QA! I understand if you don't want to discuss Spring on this list but it is hard to get an unbiased opinion on theirs. i dont mind but maybe you should spin any future messages into a different thread. also it is not going to really work comparing pico and spring because spring is sooo much more then just ioc. I have only briefly looked at Springs IoC and was put off by the amount of configuration XML I would have to write. I use Picocontainer which is very simple to configure in Java alone because it makes lots of default assumptions about how to build an object without me having to specify. first of all let me say that spring's xml config drives java classes, at least from what i have seen and i havent looked very hard. so if you want to use spring without xml that should be doable. see GenericApplicationContext.registerBeanDefinition() spring can autowire dependencies just like pico, it would go something like this if you are using xml: bean class=foo.Bar autowire=byType/ analogous to pico setter injection or bean class=foo.Bar autowire=constructor/ analogous to pico constructor injection and there you have it. i dont know if semantics are exactly the same but they should be pretty close since there isnt that much playroom. something for you to experiment with. Do you have any insight about how easily Spring can be configured in comparison to Pico? I could see that the examples were almost exclusively using setter injection but I much prefer to use constructors. yeah, it seems like setter injection is the preferred way in spring. i guess what setter injection gives you that constructor injection doesnt is the name of the setter itself, so it gives your config more context: bean ... constructor-arg index=0 ref=dep0/ constructor-arg index=1 ref=dep1/ /bean this doesnt convey as much information as bean property name=userManager ref=dep0/ property name=securityManager ref=dep1/ /bean and this is what the spring xml configuration is all about. one) it gives you a big overview of how the services are connected - there is a nice eclipse plugin that creates a cool graph from the xml file that gives you a birds eye of the infrastructure of your app - something not really possible to do when configuring in code, and two) the configuration is externalized - these things tend to be the things that would change from deployment to deployment so you really dont want them to be configured in code - ie swapping a HibernateUserDao for a LdapUserDao because one company wants you to hook in to their ldap dir, and this is where setter injection is also very useful ... bean id=userdao calss=com.foo.user.HibernateUserDao property name=sessionFactory ref=hsf/ /bean vs bean id=userdao class= com.foo.user.LdapUserDao property name=server value=foo/ property name=username value=user/ property name=password value=pass/ /bean see, not only can you switch things out between deployments but you can also configure them. if you wanted this func then you would have to maintain your own property file that ldapdao would have to read, etc, etc. this way things are in a single place. Also, how easy is it to set up containers that manage object life-cycle at different scopes? i havent used this pattern in a long time and havent tried it with spring so i dont know. creating container from xml file is pretty simple, new FileSystemXmlApplicationContext( file.xml) is all it takes but to summarize the whole thing: if you dont care about externalizing your config or having visibility into how things are wired and all you need is ioc then pico is def the way to go. its best of breed for lightweight ioc containers, and the factory interface makes it pretty darn easy to customize how beans are managed inside the container. if you do want externalizable config (the pico addon projects that provide this kinda suck imho) or you want a good base to build infrastructure for then spring is the way to go. it has a bunch of very well integrated modules that you might not need in the beginning of the project but you might need later like
Re: [Wicket-user] Plan to develop a portal
why would you want to be convinced? :) Because I *am* interested in trying it in a new project but I guess I'm bull-headed and stubborn...and I'm not entirely convinced it's useful enough yet. i dont know, i would use hibernate. it is evolving at a higher velocity then the spec and it has features i miss like the criteria api and custom types. It is, but that can be both a blessing and a curse - you're sure to have long-term compatibility with the spec. I miss the Criteria API myself, I was mildly disappointed when I learned that EJB3 wouldn't have it. However, there have been plenty of cases in my own projects where the Criteria API was clumsy and unsuited for the task compared to HQL. I could not say the same for HQL vs Criteria API in reverse...I haven't found an instance where HQL/EJB-QL (in EJB3) was awkward, leaving me with a need for Critiera-style queries. the idea of running an application server just to get persistence sickens me. Wow! Why? I was using Tomcat before working on these EJB3 projects and moving to JBoss 4.0.x...and I can't say I've seen a drawback. On the contrary - it's nice to have all of the services available to me when I want or need them (sound familiar ;) In addition to persistence I'm using the Timer service, Transactions, JAX-WS, and moreand if I want it I have simple clustering, messaging (MDBs)...and all the other features I'm either not using or even aware of. I think JBoss is slowly changing people's perceptions that a container is a huge dump truck and everything else is a Ferrari. Also, my boss likes to blow a lot of money on support contracts - I figured we'd always have that opportunity here. ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user
Re: [Wicket-user] Plan to develop a portal
point is, its nice to have the option. and there are plenty cases where criteria api is much more readable then hql, not to mention it is much easier to build search queries, etc instead of using a whole lot of nasty string concatenations. where 1=1 look familliar? :) Sure does! :) And agreed, I wish they would have included the Criteria API. because jetty+spring starts up in like 20 seconds (thats with spring creating all the beans on startup for me), jboss takes more then a minute just for itself. thats a lot of waiting for me every time hotswap cant cope. and last time i checked configuring jboss not to start some of the things i dont need is a nightmare, i tried in the past a few times and a few hours into it gave up. plus i dont need to deal with any of the stupid descriptor files, etc. web.xml and spring.xml is all i need and they are all simple. and no weird classloader issues, etc. its just a simpler development environment that saves you lots of time, and if you want to deploy on jboss for prod there is nothing stopping you. Honestly, I haven't had these problems so I can't relate. JBoss 4.0.4.GA starts in about 20-30 seconds and deploying the apps I've built takes 3-5 sec. roughly. The only descriptor file I've had to use so far is a one-liner that maps the URL of the web app to the EAR app. You're right, however, you would always deploy-up to JBoss if needed but probably not deploy-down from JBoss to a servlet/JSP container simply because those services wouldn't be available. was that a pro or a con? :) Obviously that depends on who you ask :D You could probably imagine my opinion on this. ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user
Re: [Wicket-user] Plan to develop a portal
Well, on my dev machine (my laptop) it's a single cpu 2ghz, 2gb ram. The production server is a dual 3ghz w/ HT proc w/ 4gb ram. Deploying to production takes about 2-3 secondsit's a blip on the radar. I'll give the phonebook app a test and let you know. On 6/15/06, Igor Vaynberg [EMAIL PROTECTED] wrote: Honestly, I haven't had these problems so I can't relate. JBoss 4.0.4.GA starts in about 20-30 seconds and deploying the apps I've built takes 3-5 sec. roughly. The only descriptor file I've had to use so far is a one-liner that maps the URL of the web app to the EAR app. You're right, however, you would always deploy-up to JBoss if needed but probably not deploy-down from JBoss to a servlet/JSP container simply because those services wouldn't be available. well, maybe you have an extremely fast system :) or maybe i am not a very patient person and go for the solution that takes the least time to startup even though the difference might be marginal. try the wicket-phonebook in contrib and see how fast that starts up. phonebook has persistence+transactions. id be interested to know how fast it is on your system. -Igor ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user
Re: [Wicket-user] Developing Wicket Menu Widgets
I think you might actually have a good point here - it might be nice to have a Wicket Widgets project strictly for custom widgets. It would be a nice way to organize extra widgets. On 6/14/06, Ayodeji Aladejebi [EMAIL PROTECTED] wrote: I know of Wicket Extensions and Wicket Stuff etc but I look forward to Wicket Widgets Stuff where users can donate all sorts of resuable widgets to wicket community that carry all sorts of behaviors needed to enrich Web user experience As an example, i have been trying to create Wicket Menu bar component by trying to reduce my effort to something close to Swing I am not talking of something like echo2 now, I am talking of all those common stuffs in web development packaged in a cross browser reusable wicket components. MenuBar bar = new MenuBar(web-app-menu, ...) MenuBar will be a customizable markupcontainer that will have vertical drop down capabilities Menus and MenuItem will simply be Wicket Links instances. My major headache started when i realized how horrible CSS can be across IE breeds and Mozilla and other browsers, IE expecially so i spent more time trying to sort out making cross browser CSS vertical menus for my wicket project. Now that should not be because for me if wicket were to fulfil its vision, developers should spend more time with Java than cracking thier heads on how to do common stuffs with CSS or Javascript. Therefore I think encouraging widgets contribution will also be fine. I am not a cross browser CSS expert but there a lot out there willing to donate reusable CSS codes for creating common widgets on the browser Scrolling MenuBar etc... Anyway for me, it boils down to one thing, I am trying to create MenuBar, Menu and MenuItem for my project and i need cross browser CSS for vertical drop down menu, Something like this div wicket:id=MenuBar class=menubar ul li wicket:id=Menua wicket:id=MenuItem/a/li li wicket:id=MenuSeperator/li li wicket:id=Menua wicket:id=MenuItemimg wicket:id=MenuImage/img/a/li /ul /div But i am scared of the CSS hell out there and i dont even know where to start digging for good cross browser CSS to use for this, so please who has a reference to the CSS library that can make this life easy Thanks :) ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user
[Wicket-user] Plan to develop a portal
So, I finally completed our first Wicket experiment - the infamous storefront I've been blathering about endlessly: http://www.snakeriverfarms.com/ - click the animated gif on the bottom-left of the page. I'm hoping it leads to more Wicket-based projects for me here at work but I've got definite plans of my own - the first of which is a Portal based on Wicket. We have a really crappy portal here at work that was quite expensive...and I'd really like to build something better myself w/ Wicket EJB 3.0. As far as I know, there's nothing out there like that currently, is there? I was looking at JSR-286 but it looks like it's geared toward JSF, am I correct? If that were the case I'd have no interest in conforming to it - but please correct me if I'm wrong. I'd like to begin planning it right away but I thought I'd take some feedback from the good folks behind Wicket first since you've all been so helpful so far! I've never built anything quite as modular as a portal before and I'm not sure where to begin as far as making portlets dynamically loadable modular while keeping performance acceptable. I'd like to build an initial, rough, alpha-quality base to release as an open source project and work from there. I've never created my own open source project either, so any input there would be helpful! Thanks all! -v ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user
Re: [Wicket-user] Plan to develop a portal
i think wicket would solve a ton of difficult problems with building portals
as long as you portlets are all wicket based :)
Absolutely! That was the plan...I wouldn't *dream* of using another
framework! :D
IPortletFactory { UUID getUUID(), String getName(), Portlet
newPortlet(PortletState) }
enum PortletState(NORMAL,MAXIMIZED,MINIMIZED,EDIT)
class Portlet extends Panel
then drop a bunch of these factories where you can discover them, and bam -
portal :)
Wow! Sounds like I could crank this thing out in 24 hrs. and knock
the big-wigs right out of the market. Look out Oracle, CA, Microsoft
- the jig is up! ;)
but seriously
building a portal is a pretty large task, there are a lot of services the
portal provides that are non trivial - such as user identity, security, etc,
etc
I'll start small, naturally, and get something built that lets users
build pages...basically. However, you're right - these services are
exactly what we have in our turd-portal and would be a requirement at
some phase.
setting up your own os project isnt a big deal, just register it with sf.net
and you are good to know. if you dont want to deal with that right now we
would be happy to create wicket-contrib-portal for you in wicket-stuff so
you can get started quickly and when you are ready you can move to a
location of your choosing. the advantage of starting out in wicket-stuff is
that you can benefit from all the devels who already have access to it ( if
you want that of course :) )
I think I'd actually like it to start out as a wicket-stuff project
simply because the emphasis will be so heavy on the Wicket side and
like you said, I'd have better guidance. Sort of like an incubator
project...for lack of a better description.
I've obviously got a lot of learning to do on the internals of Wicket
seeing as I've only built two fairly small applications with it in the
last couple of months. I'd be using this as a project to further my
hands-on experience. I'm also relatively new to Java, Hibernate,
EJB3, etc. having only used all of this stuff for 1 yr.
However, I think it'd be a great project and from what I've seen
available in portals out there, Wicket would give me enough leverage
to create something really competitive.
On 6/14/06, Vincent Jenks [EMAIL PROTECTED] wrote:
So, I finally completed our first Wicket experiment - the infamous
storefront I've been blathering about endlessly:
http://www.snakeriverfarms.com/ - click the animated gif on the
bottom-left of the page.
I'm hoping it leads to more Wicket-based projects for me here at work
but I've got definite plans of my own - the first of which is a Portal
based on Wicket.
We have a really crappy portal here at work that was quite
expensive...and I'd really like to build something better myself w/
Wicket EJB 3.0. As far as I know, there's nothing out there like
that currently, is there?
I was looking at JSR-286 but it looks like it's geared toward JSF, am
I correct? If that were the case I'd have no interest in conforming
to it - but please correct me if I'm wrong.
I'd like to begin planning it right away but I thought I'd take some
feedback from the good folks behind Wicket first since you've all been
so helpful so far! I've never built anything quite as modular as a
portal before and I'm not sure where to begin as far as making
portlets dynamically loadable modular while keeping performance
acceptable. I'd like to build an initial, rough, alpha-quality base
to release as an open source project and work from there.
I've never created my own open source project either, so any input
there would be helpful!
Thanks all!
-v
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Re: [Wicket-user] Plan to develop a portal
Thanks! Sure, I'd be happy to.
On 6/14/06, Igor Vaynberg [EMAIL PROTECTED] wrote:
erm, pressend send too quick
congrats on the site
mind adding something here:
http://www.wicket-wiki.org.uk/wiki/index.php/Stories :)
-Igor
On 6/14/06, Igor Vaynberg [EMAIL PROTECTED] wrote:
i think wicket would solve a ton of difficult problems with building
portals as long as you portlets are all wicket based :)
IPortletFactory { UUID getUUID(), String getName(), Portlet
newPortlet(PortletState) }
enum PortletState(NORMAL,MAXIMIZED,MINIMIZED,EDIT)
class Portlet extends Panel
then drop a bunch of these factories where you can discover them, and bam
- portal :)
but seriously
building a portal is a pretty large task, there are a lot of services the
portal provides that are non trivial - such as user identity, security, etc,
etc
but like i said - if you only want to support wicket-based portlets that
confirm to your spec it shouldnt be too difficult
setting up your own os project isnt a big deal, just register it with
sf.net and you are good to know. if you dont want to deal with that right
now we would be happy to create wicket-contrib-portal for you in
wicket-stuff so you can get started quickly and when you are ready you can
move to a location of your choosing. the advantage of starting out in
wicket-stuff is that you can benefit from all the devels who already have
access to it ( if you want that of course :) )
-Igor
On 6/14/06, Vincent Jenks [EMAIL PROTECTED] wrote:
So, I finally completed our first Wicket experiment - the infamous
storefront I've been blathering about endlessly:
http://www.snakeriverfarms.com/ - click the animated gif on the
bottom-left of the page.
I'm hoping it leads to more Wicket-based projects for me here at work
but I've got definite plans of my own - the first of which is a Portal
based on Wicket.
We have a really crappy portal here at work that was quite
expensive...and I'd really like to build something better myself w/
Wicket EJB 3.0. As far as I know, there's nothing out there like
that currently, is there?
I was looking at JSR-286 but it looks like it's geared toward JSF, am
I correct? If that were the case I'd have no interest in conforming
to it - but please correct me if I'm wrong.
I'd like to begin planning it right away but I thought I'd take some
feedback from the good folks behind Wicket first since you've all been
so helpful so far! I've never built anything quite as modular as a
portal before and I'm not sure where to begin as far as making
portlets dynamically loadable modular while keeping performance
acceptable. I'd like to build an initial, rough, alpha-quality base
to release as an open source project and work from there.
I've never created my own open source project either, so any input
there would be helpful!
Thanks all!
-v
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Re: [Wicket-user] Plan to develop a portal
go ahead and create a sf.net user (if you dont have one already) and email me the name so i can add you as a committer to wicket-stuff. from there all you have to do is create the project skeleton, check it in, and you are ready to go. I think I already am, actually? I talked to Eelco some time back about contributing the blogger app I wrote in Wicket EJB3 but have not yet had time to commit it. I believe my user is vjenks. if you are talking about being competetive with other large portals that support the jsr then probably not unless you also create the jsr interoperability - which with a wicket event model is silly because wicket makes things much cleaner. but thats up to you. -Igor Agreed - I'm honestly not concerned with supporting the portlets JSR, I don't see the benefit outside of being able to claim interoperability - and what good is it if it's that much more complicated to develop against. I was thinking more along the lines of feature-competitive rather than standards. Once it's pluggable, if it's easy to develop against and open source, who knows what might become of it? ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user
Re: [Wicket-user] Plan to develop a portal
agreed, and i might be interested in contributing to this also. but that depends on the stack you choose. i like spring+hibernate because it is more lightweight and can run off jetty and spring provides a better ioc container then ejb3 which might be important for autodiscovery/plugins architecture. but this is just talk :) I'm familiar w/ Hibernate but unfortunately, know very little about Spring and know nothing about Jetty. I looked into Spring when I first started using Hibernate because I hated manually juggling the Hibernate Session/Transaction...apparently Spring has an elegant solution through templates? I was turned off by the amount of XML required in Spring (and Hibernate) and that's what drove me to appreciate EJB 3.0 - particularly JBoss. You do make a good point about IOC, however, since portlets would need to be very loosely coupled and Spring might remove a great deal of that complexity. Isn't the next version of Spring moving a great deal of the XML necessary to annotations? I don't follow Spring but I thought I had read that somewhere? Injection of resources in EJB3 is pretty slick even if it is lacking, compared to Spring. ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user
Re: [Wicket-user] Plan to develop a portal
and for a portal this xml you /will/ want to have configurable at deployment time in order to configure what portlets/services are available to the portal - so even with ejb3 this kind of stuff still has to be in some external config. I was actually thinking about that the other day...you're absolutely right on that point, it has to be externalized somehow. I don't see how Spring couldn't be used to compliment EJB 3.0 in the regard. Spring could be used to externalize modular resources, i.e. portlets whereas EJB3 could do what it does best...persistence and simple transaction demarcation. ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user
Re: [Wicket-user] Plan to develop a portal
Perhaps it'd be worth developing a container and non-container based version of the project...or something in between. I suppose I'll need to do my homework first! Is Spring 2.x moving away from XML? I just downloaded the M5 reference, I'll flip through it for a bit. On 6/14/06, Igor Vaynberg [EMAIL PROTECTED] wrote: spring has simple transaction demarcation, see @Transactional annotation. and as far as persistence if using spring 1.x you can use hibernate with ejb3 annotations, or if using spring 2.x you can use hibernate's entitymanager which is basically ejb3 and they have jpa (or wtf that acronym is) support as well -Igor On 6/14/06, Vincent Jenks [EMAIL PROTECTED] wrote: and for a portal this xml you /will/ want to have configurable at deployment time in order to configure what portlets/services are available to the portal - so even with ejb3 this kind of stuff still has to be in some external config. I was actually thinking about that the other day...you're absolutely right on that point, it has to be externalized somehow. I don't see how Spring couldn't be used to compliment EJB 3.0 in the regard. Spring could be used to externalize modular resources, i.e. portlets whereas EJB3 could do what it does best...persistence and simple transaction demarcation. ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user
Re: [Wicket-user] Plan to develop a portal
Coincidentally, I came across this article the other day: http://www.javaworld.com/javaworld/jw-06-2006/jw-0605-obix.html It seems like Obix has a lot of overlap w/ Spring, no? On 6/14/06, Igor Vaynberg [EMAIL PROTECTED] wrote: they have made some improvements yes. but as i said, if you know what you are doing xml is minimal even in 1.2.6 -Igor On 6/14/06, Vincent Jenks [EMAIL PROTECTED] wrote: Perhaps it'd be worth developing a container and non-container based version of the project...or something in between. I suppose I'll need to do my homework first! Is Spring 2.x moving away from XML? I just downloaded the M5 reference, I'll flip through it for a bit. On 6/14/06, Igor Vaynberg [EMAIL PROTECTED] wrote: spring has simple transaction demarcation, see @Transactional annotation. and as far as persistence if using spring 1.x you can use hibernate with ejb3 annotations, or if using spring 2.x you can use hibernate's entitymanager which is basically ejb3 and they have jpa (or wtf that acronym is) support as well -Igor On 6/14/06, Vincent Jenks [EMAIL PROTECTED] wrote: and for a portal this xml you /will/ want to have configurable at deployment time in order to configure what portlets/services are available to the portal - so even with ejb3 this kind of stuff still has to be in some external config. I was actually thinking about that the other day...you're absolutely right on that point, it has to be externalized somehow. I don't see how Spring couldn't be used to compliment EJB 3.0 in the regard. Spring could be used to externalize modular resources, i.e. portlets whereas EJB3 could do what it does best...persistence and simple transaction demarcation. ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user
Re: [Wicket-user] Plan to develop a portal
Were should I report bugs ;-) I'll file a report w/ our support staff, stat! *scibbling 'todo' note on palm of hand* Click on Privacy Policy at the bottom and then SRF icon at the top. I get a 404 for the https://secure.abfoodsusa.com/ABCommerce/admin_home Good find! It's not like I can get anyone to test around here... But else it's nice. Perhaps some bookmarkable pages here and there (like the privacy policy), but I'll guess thats just a matter of taste :-P Yeah...guess I could ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user
Re: [Wicket-user] Plan to develop a portal
Right, right, I understand all of that...but the configuration looks similar...it seems like a good candidate for this portal project for externalizing resources. In other words - Spring might be overkill if it can be done more easily w/ Obix if I were to use EJB3. I guess I was thinking aloudheh. On 6/14/06, Matej Knopp [EMAIL PROTECTED] wrote: IOC + AOP + Remoting + Lot of other stuff. Spring is a swiss army knife of web development :) -Matej Igor Vaynberg wrote: i dont think so. spring is an ioc container at the very least. obix is just a lib to make it easy to read in config files. -Igor On 6/14/06, *Vincent Jenks * [EMAIL PROTECTED] mailto:[EMAIL PROTECTED] wrote: Coincidentally, I came across this article the other day: http://www.javaworld.com/javaworld/jw-06-2006/jw-0605-obix.html It seems like Obix has a lot of overlap w/ Spring, no? On 6/14/06, Igor Vaynberg [EMAIL PROTECTED] mailto:[EMAIL PROTECTED] wrote: they have made some improvements yes. but as i said, if you know what you are doing xml is minimal even in 1.2.6 -Igor On 6/14/06, Vincent Jenks [EMAIL PROTECTED] mailto:[EMAIL PROTECTED] wrote: Perhaps it'd be worth developing a container and non-container based version of the project...or something in between. I suppose I'll need to do my homework first! Is Spring 2.x moving away from XML? I just downloaded the M5 reference, I'll flip through it for a bit. On 6/14/06, Igor Vaynberg [EMAIL PROTECTED] mailto:[EMAIL PROTECTED] wrote: spring has simple transaction demarcation, see @Transactional annotation. and as far as persistence if using spring 1.x you can use hibernate with ejb3 annotations, or if using spring 2.x you can use hibernate's entitymanager which is basically ejb3 and they have jpa (or wtf that acronym is) support as well -Igor On 6/14/06, Vincent Jenks [EMAIL PROTECTED] mailto:[EMAIL PROTECTED] wrote: and for a portal this xml you /will/ want to have configurable at deployment time in order to configure what portlets/services are available to the portal - so even with ejb3 this kind of stuff still has to be in some external config. I was actually thinking about that the other day...you're absolutely right on that point, it has to be externalized somehow. I don't see how Spring couldn't be used to compliment EJB 3.0 in the regard. Spring could be used to externalize modular resources, i.e. portlets whereas EJB3 could do what it does best...persistence and simple transaction demarcation. ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net mailto:Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net mailto:Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net mailto:Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net mailto:Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net mailto:Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user
Re: [Wicket-user] Two or more apps in same deployment
I was wondering this myself actuallyhow can a session be shared between two apps? On 6/14/06, Igor Vaynberg [EMAIL PROTECTED] wrote: take a look at wicket-examples - every example is its own wicket application/servlet and it works like a charm. integration i dont know about, depends on what you mean by integration :) -Igor On 6/14/06, Bruno Borges [EMAIL PROTECTED] wrote: What could be the issues if two or more Wicket applications are deployed in the same Web Application? (two wicket servlets in web.xml; /app1, /app2) How easy is to integrate them? How should we modularize our applications so a huge project can have modules with teams working independently but not totally isolated? Thanks -- Bruno Borges Summa Technologies Inc. www.summa-tech.com (11) 8565-7739 - (11) 3846-1622 ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user
Re: [Wicket-user] Plan to develop a portal
It depends on what do you need. Spring gives you a lot of flexibility. The question is, how much flexibility you need? Spring is little difficult to grasp at first. I don't think it's all that complicated to grasp the concepts but every time I come around to looking into it I can never really justify the need for it. I actually bought a couple of Spring books a few months back and covered quite a bit of them... I guess I avoid it because it appears to force you into thinking in an IoC way and I don't like the idea of configuring my classes w/ XML and using interfaces for *everything* - sometimes that's just more complex than the problem at hand. I hear mostly good things about it but I suppose I'm just not well educated enough on it to really criticize it...these are just my initial impressions. But I'd certainly not label spring as overkill. You can use only the parts you need. In web application it really doesn't matter if you have one additional 1.5 megs jar or not. Sure, I understand that as well...but it's yet another framework to introduce into my application and I haven't seen the need yet. Through all of my reading it has never felt like an intuitive, hit the ground running framework that I could begin using quickly...there's a bit of a learning curve there. I meant overkill as in I've found easy-enough ways to solve problems without Spring - so far. Vincent Jenks wrote: Right, right, I understand all of that...but the configuration looks similar...it seems like a good candidate for this portal project for externalizing resources. In other words - Spring might be overkill if it can be done more easily w/ Obix if I were to use EJB3. I guess I was thinking aloudheh. On 6/14/06, Matej Knopp [EMAIL PROTECTED] wrote: IOC + AOP + Remoting + Lot of other stuff. Spring is a swiss army knife of web development :) -Matej Igor Vaynberg wrote: i dont think so. spring is an ioc container at the very least. obix is just a lib to make it easy to read in config files. -Igor On 6/14/06, *Vincent Jenks * [EMAIL PROTECTED] mailto:[EMAIL PROTECTED] wrote: Coincidentally, I came across this article the other day: http://www.javaworld.com/javaworld/jw-06-2006/jw-0605-obix.html It seems like Obix has a lot of overlap w/ Spring, no? On 6/14/06, Igor Vaynberg [EMAIL PROTECTED] mailto:[EMAIL PROTECTED] wrote: they have made some improvements yes. but as i said, if you know what you are doing xml is minimal even in 1.2.6 -Igor On 6/14/06, Vincent Jenks [EMAIL PROTECTED] mailto:[EMAIL PROTECTED] wrote: Perhaps it'd be worth developing a container and non-container based version of the project...or something in between. I suppose I'll need to do my homework first! Is Spring 2.x moving away from XML? I just downloaded the M5 reference, I'll flip through it for a bit. On 6/14/06, Igor Vaynberg [EMAIL PROTECTED] mailto:[EMAIL PROTECTED] wrote: spring has simple transaction demarcation, see @Transactional annotation. and as far as persistence if using spring 1.x you can use hibernate with ejb3 annotations, or if using spring 2.x you can use hibernate's entitymanager which is basically ejb3 and they have jpa (or wtf that acronym is) support as well -Igor On 6/14/06, Vincent Jenks [EMAIL PROTECTED] mailto:[EMAIL PROTECTED] wrote: and for a portal this xml you /will/ want to have configurable at deployment time in order to configure what portlets/services are available to the portal - so even with ejb3 this kind of stuff still has to be in some external config. I was actually thinking about that the other day...you're absolutely right on that point, it has to be externalized somehow. I don't see how Spring couldn't be used to compliment EJB 3.0 in the regard. Spring could be used to externalize modular resources, i.e. portlets whereas EJB3 could do what it does best...persistence and simple transaction demarcation. ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net mailto:Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net mailto:Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user
Re: [Wicket-user] EJB3 Lazy Loading (was Seam-like solution for Wicket + EJB3?)
I think this is exactly how Seam deals w/ the problemwhat I don't understand is then; why would they be pushing it as an enterprise solution for JSF + EJB3? If it wouldn't scale, assuming this is how Seam works, then it would be useless in a high-concurrency environment. Also, JBoss is pushing for a new JSR standard called Web Beans based on the work they've done w/ Seam...so there must be a lot we're assuming incorrectly about how Seam worksor what the best solution for this issue would be. Perhaps it's another, independent framework entirely outside of WicketWicket really isn't the issue (though it'd be nice to have a clean, simple, transparent solution that Wicket could use...it'd make it all the more appealing for large EJB3-based projects!) On 6/1/06, Marco Geier [EMAIL PROTECTED] wrote: It doesn't matter if the Web-Layer is on a separate machin eor VM, it just depends on the availability of a PersistenceContext, which is, in all cases i encountered so far, equivalent to a EJB-Transaction. I.e., while in a transaction, you are free to call /load any relations, w/o getting nasty errors. So if you don't use a Client-UserTransaction (which is possible, but not recommended), a call to any SessionBean which returns any bean will implicitly starts a transaction and closes it when the method returns. So in order to have a seam-like behaviour, we should look at the EJB3 Extended PersistenceContext, that somehow allows re-attaching beans (sorry, didn't use that stuff yet, so no experiences). But still, for performance and concurrency reasons, the main point is: *When do i start/end my transactions* One might be tempted (as i was) to just wrap the whole requestcycle into one transaction. That works fine, almost no headaches with lazy loading, but really doesn't scale because transactions last too long. So what i do right now is to have a layer of sepcialized gui-related SessionBeans that return *completely initialized* beans, i.e. beans that already have any collection loaded that will be needed in the page. This is, of course, a pain in the a.., but right now i don't see any other solution... Marco Johan Compagner wrote: What is that client where you talk about? Do you have a App server that contains the EJB and a App/Web server == client? that runs wicket? Why does this happen: Now if an Instance of BeanB is passed to a wicket component the following occurs a) The BeanB instance is detached from the transaction context of the app server. There is no way to avoid this. ?? If i ask the persistence layer for BeanB does it open a session get B close the session and then return B? that would be awfull. johan On 6/1/06, Stefan Lindner [EMAIL PROTECTED] wrote: Dear suffering lazy loaders, I want to start a new thread with a discussion that is focused on EJB3 (not Spring, not Hibernate) because all those In Hibernate it works like this... hints are not helpful. To clearyfy this: 1. EJB3 is NOT Hibernate. Yes, the EJB3 implementation of JBoss is based upon Hibernate but other vendors do NOT use Hibernate. 2. Since Wicket is platform independent, an EJB3 solution for Wicket should be independent too. 3. The Problem arises when a Bean references another bean as an object through a relation: For Example SQL: create table A (id integer, value varchar(100) create table B (id integer, value varchar(100), ref_to_a integer) alter table B add constraint ArefB ref_to_a references A(id) JAVA @entity class BeanA public int getId() public void setId() @entiy class BeanB ... private BeanA; @ManyToOne(fetch=FetchType.LAZY) public BeanA getBeanA() Now if an Instance of BeanB is passed to a wicket component the following occurs a) The BeanB instance is detached from the transaction context of the app server. There is no way to avoid this. b) The instance of BeanB does not contain a complete BeanA c) The access of BeanB.getBeanA().getId will throw a LazyInitaliaziationException 4. It is not possible (correct me if I am wrong) to have a EJB3 transaction on the client. This means it is not possible to bring back the BeanB instance into an attached state on the client. 5. The only solutions I can see may be the following: a) Find some way of putting an interceptor in the access method for lazy loades attributes and let the server so the loading in the catch bock b) Wrap a try/catch block around the access and let the server so the loading in the catch bock c) never do a direct access. Always send the bean back to the server and do the loading on the server All three solutions need the server to do the lazy loading. 6. Just to clearify: Not Wicket is the problem. The problem lies in the design of EJB3 lazy loading itself. Any client application has the same problem in principal. Is this correct until
Re: [Wicket-user] another dumb model question....
Agreed, the solution was absurdly simpleI was just entirely unsure
what to pass for the argnull seems very counter-intuitive to the
framework *user*.
On 6/1/06, Rüdiger Schulz [EMAIL PROTECTED] wrote:
Enhanced JavaDoc for IModel would be very useful. When I started with
Wicket, this took quite some time for me to grasp. After that, a lot
of problems I had where suddenly easy to solve :)
--
greetings from Berlin,
Rüdiger Schulz
Matej Knopp wrote on 01.06.2006 at 18:46:
Plus those methods are redundant. It would just clutter the interface.
The contract is well defined. Maybe javadoc of get/setModelObject should
be improved a little and state explicitly what the argument is and how
it is used?
-Matej
Igor Vaynberg wrote:
and what should that paremeterless override pass in to the
getObject(Component c)? null? that will work, but will break down if you
have a compound model - and more often then not you do.
so i dont know if this is such a good thing
-Igor
On 6/1/06, *Aaron Hiniker* [EMAIL PROTECTED] mailto:[EMAIL PROTECTED]
wrote:
+1
On Wed, 2006-05-31 at 20:47 -0600, VGJ wrote:
I might just be nit-picking here...but it might be nice to have a
parameter-less override of getObjectjust for prettiness ;) It
might be more intuitive for the first-time user as well? It would
be more apparent, IMO, if you could just call model.getObject()
Just a thought...
On Wed, 2006-05-31 at 22:35 +0200, Matej Knopp wrote:
:) Yeah, getObject is a little confusing at the beginning. The
parameter
is mostly used in compound models
(CompoundPropertyModel) where the
model is shared between multiple components to determine which
component
is setting/getting the value.
-Matej
Vincent Jenks wrote:
Excellent, that's perfect. The part I was unsure about was what to
pass for the arguement for getObject()
Thanks Matej!
On 5/31/06, Matej Knopp [EMAIL PROTECTED]
mailto:[EMAIL PROTECTED] wrote:
Suppose you have
IModel model = new LoadableDetachableModel() { ...
you can get the model any time:
ListItem myItems = (ListItem) model.getObject(null).
First time you call getObject the model is attached (list is
loaded).
Until it's detached, getObject(null) will always return the loaded
list.
-Matej
Vincent Jenks wrote:
If I were just displaying the lists in a ListView that'd be fine,
however I'm not using it that way.
Suppose myDetachedModel is being displayed in a ListView and on
each
iteration, I'm grabbing a value from the database (here's where I
need
another detachable model) and doing calculations against it - for
each
iteration in the ListView loop.
In other words, I just need access to the raw object data in it's
real
data-type after I've loaded it into a detachable model - my
question
is simply that, how do I get it back to its original type.
On 5/31/06, Matej Knopp [EMAIL PROTECTED]
mailto:[EMAIL PROTECTED] wrote:
I'm not sure I understand you but you load the collections
separately?
Can't you just do something like this?
class MyPage extends Page {
public MyPage() {
IModel m1 = new LoadableDetachableModel() {
Object load() {
return [load collection 1];
}
}
add(new ListView(l1, m1) {
...
});
IModel m2 = new LoadableDetachableModel() {
Object load() {
return [load collection 2];
}
}
add(new ListView(l2, m2) {
...
});
}
}
Matej
Vincent Jenks wrote:
I've got a page where I need to call data from the EntityManger
(EJB3)
several times in a single pagewhich means I'd need to have
several
detached-models in the page.
Once I put these objects and/or collections of objects into a
detachable model, what's the best way to cast them back out to
their
original types?
It seems like a silly question but I'm having trouble w/ it.
If I
only had one detached model I realize I could use
setModel(...) and
grab it w/ getModelObject() - but I've got 3-4 collections and
they
can't all be the page model, can they?
Thanks!
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Re: [Wicket-user] another dumb model question....
That wasn't my point, really. I'm not saying null doesn't work...I'm
just talking purely about elegance here...getObject() is sexier ;)
It also just makes sense to the user.
What can I say...I'm picky.
On 6/1/06, Igor Vaynberg [EMAIL PROTECTED] wrote:
pass in the component that is accessing the model - that is whatever
component is calling getObject
-Igor
On 6/1/06, Vincent Jenks [EMAIL PROTECTED] wrote:
Agreed, the solution was absurdly simpleI was just entirely unsure
what to pass for the argnull seems very counter-intuitive to the
framework *user*.
On 6/1/06, Rüdiger Schulz [EMAIL PROTECTED] wrote:
Enhanced JavaDoc for IModel would be very useful. When I started with
Wicket, this took quite some time for me to grasp. After that, a lot
of problems I had where suddenly easy to solve :)
--
greetings from Berlin,
Rüdiger Schulz
Matej Knopp wrote on 01.06.2006 at 18:46:
Plus those methods are redundant. It would just clutter the interface.
The contract is well defined. Maybe javadoc of get/setModelObject
should
be improved a little and state explicitly what the argument is and how
it is used?
-Matej
Igor Vaynberg wrote:
and what should that paremeterless override pass in to the
getObject(Component c)? null? that will work, but will break down if
you
have a compound model - and more often then not you do.
so i dont know if this is such a good thing
-Igor
On 6/1/06, *Aaron Hiniker* [EMAIL PROTECTED] mailto:
[EMAIL PROTECTED]
wrote:
+1
On Wed, 2006-05-31 at 20:47 -0600, VGJ wrote:
I might just be nit-picking here...but it might be nice to have
a
parameter-less override of getObjectjust for prettiness ;)
It
might be more intuitive for the first-time user as well? It
would
be more apparent, IMO, if you could just call model.getObject()
Just a thought...
On Wed, 2006-05-31 at 22:35 +0200, Matej Knopp wrote:
:) Yeah, getObject is a little confusing at the beginning. The
parameter
is mostly used in compound models
(CompoundPropertyModel) where the
model is shared between multiple components to determine which
component
is setting/getting the value.
-Matej
Vincent Jenks wrote:
Excellent, that's perfect. The part I was unsure about was
what to
pass for the arguement for getObject()
Thanks Matej!
On 5/31/06, Matej Knopp [EMAIL PROTECTED]
mailto:[EMAIL PROTECTED] wrote:
Suppose you have
IModel model = new LoadableDetachableModel() { ...
you can get the model any time:
ListItem myItems = (ListItem) model.getObject(null).
First time you call getObject the model is attached (list is
loaded).
Until it's detached, getObject(null) will always return the
loaded list.
-Matej
Vincent Jenks wrote:
If I were just displaying the lists in a ListView that'd
be fine,
however I'm not using it that way.
Suppose myDetachedModel is being displayed in a ListView
and on each
iteration, I'm grabbing a value from the database (here's
where I need
another detachable model) and doing calculations against
it - for each
iteration in the ListView loop.
In other words, I just need access to the raw object data
in it's real
data-type after I've loaded it into a detachable model -
my question
is simply that, how do I get it back to its original type.
On 5/31/06, Matej Knopp [EMAIL PROTECTED]
mailto:[EMAIL PROTECTED] wrote:
I'm not sure I understand you but you load the
collections separately?
Can't you just do something like this?
class MyPage extends Page {
public MyPage() {
IModel m1 = new LoadableDetachableModel() {
Object load() {
return [load collection 1];
}
}
add(new ListView(l1, m1) {
...
});
IModel m2 = new LoadableDetachableModel() {
Object load() {
return [load collection 2];
}
}
add(new ListView(l2, m2) {
...
});
}
}
Matej
Vincent Jenks wrote:
I've got a page where I need to call data from the
EntityManger
(EJB3)
several times in a single pagewhich means I'd need
to have
several
detached-models in the page.
Once I put these objects and/or collections of objects
into a
detachable model, what's the best way to cast them back
out to their
original types?
It seems like a silly
Re: [Wicket-user] another dumb model question....
Point takenno biggie.
On 6/1/06, Matej Knopp [EMAIL PROTECTED] wrote:
But getObject() can't work if you have a property model. It will only
work with simple models.
-Matej
Vincent Jenks wrote:
That wasn't my point, really. I'm not saying null doesn't work...I'm
just talking purely about elegance here...getObject() is sexier ;)
It also just makes sense to the user.
What can I say...I'm picky.
On 6/1/06, Igor Vaynberg [EMAIL PROTECTED] wrote:
pass in the component that is accessing the model - that is whatever
component is calling getObject
-Igor
On 6/1/06, Vincent Jenks [EMAIL PROTECTED] wrote:
Agreed, the solution was absurdly simpleI was just entirely unsure
what to pass for the argnull seems very counter-intuitive to the
framework *user*.
On 6/1/06, Rüdiger Schulz [EMAIL PROTECTED] wrote:
Enhanced JavaDoc for IModel would be very useful. When I started with
Wicket, this took quite some time for me to grasp. After that, a lot
of problems I had where suddenly easy to solve :)
--
greetings from Berlin,
Rüdiger Schulz
Matej Knopp wrote on 01.06.2006 at 18:46:
Plus those methods are redundant. It would just clutter the
interface.
The contract is well defined. Maybe javadoc of get/setModelObject
should
be improved a little and state explicitly what the argument is
and how
it is used?
-Matej
Igor Vaynberg wrote:
and what should that paremeterless override pass in to the
getObject(Component c)? null? that will work, but will break
down if
you
have a compound model - and more often then not you do.
so i dont know if this is such a good thing
-Igor
On 6/1/06, *Aaron Hiniker* [EMAIL PROTECTED] mailto:
[EMAIL PROTECTED]
wrote:
+1
On Wed, 2006-05-31 at 20:47 -0600, VGJ wrote:
I might just be nit-picking here...but it might be nice to
have
a
parameter-less override of getObjectjust for
prettiness ;)
It
might be more intuitive for the first-time user as well? It
would
be more apparent, IMO, if you could just call
model.getObject()
Just a thought...
On Wed, 2006-05-31 at 22:35 +0200, Matej Knopp wrote:
:) Yeah, getObject is a little confusing at the
beginning. The
parameter
is mostly used in compound models
(CompoundPropertyModel) where the
model is shared between multiple components to determine
which
component
is setting/getting the value.
-Matej
Vincent Jenks wrote:
Excellent, that's perfect. The part I was unsure about
was
what to
pass for the arguement for getObject()
Thanks Matej!
On 5/31/06, Matej Knopp [EMAIL PROTECTED]
mailto:[EMAIL PROTECTED] wrote:
Suppose you have
IModel model = new LoadableDetachableModel() { ...
you can get the model any time:
ListItem myItems = (ListItem) model.getObject(null).
First time you call getObject the model is attached
(list is
loaded).
Until it's detached, getObject(null) will always
return the
loaded list.
-Matej
Vincent Jenks wrote:
If I were just displaying the lists in a ListView
that'd
be fine,
however I'm not using it that way.
Suppose myDetachedModel is being displayed in a
ListView
and on each
iteration, I'm grabbing a value from the database
(here's
where I need
another detachable model) and doing calculations
against
it - for each
iteration in the ListView loop.
In other words, I just need access to the raw object
data
in it's real
data-type after I've loaded it into a detachable
model -
my question
is simply that, how do I get it back to its original
type.
On 5/31/06, Matej Knopp [EMAIL PROTECTED]
mailto:[EMAIL PROTECTED] wrote:
I'm not sure I understand you but you load the
collections separately?
Can't you just do something like this?
class MyPage extends Page {
public MyPage() {
IModel m1 = new LoadableDetachableModel() {
Object load() {
return [load collection 1];
}
}
add(new ListView(l1, m1) {
...
});
IModel m2 = new LoadableDetachableModel() {
Object load() {
return [load collection 2];
}
}
add(new ListView(l2, m2) {
...
});
}
}
Matej
Vincent Jenks wrote:
I've got a page where I need to call data from the
EntityManger
Re: [Wicket-user] EJB3 Lazy Loading (was Seam-like solution for Wicket + EJB3?)
I've been meaning to take a look at that and I think I will this weekend. I have another internal project here at work I'd like to convert to Wicket (currently uses very crude servlet+JSP MVC approach) - and it uses Hibernate. On 6/1/06, Eelco Hillenius [EMAIL PROTECTED] wrote: Maybe Nathan's DataBinder project could serve as a starting point there? Eelco On 6/1/06, Vincent Jenks [EMAIL PROTECTED] wrote: I think this is exactly how Seam deals w/ the problemwhat I don't understand is then; why would they be pushing it as an enterprise solution for JSF + EJB3? If it wouldn't scale, assuming this is how Seam works, then it would be useless in a high-concurrency environment. Also, JBoss is pushing for a new JSR standard called Web Beans based on the work they've done w/ Seam...so there must be a lot we're assuming incorrectly about how Seam worksor what the best solution for this issue would be. Perhaps it's another, independent framework entirely outside of WicketWicket really isn't the issue (though it'd be nice to have a clean, simple, transparent solution that Wicket could use...it'd make it all the more appealing for large EJB3-based projects!) On 6/1/06, Marco Geier [EMAIL PROTECTED] wrote: It doesn't matter if the Web-Layer is on a separate machin eor VM, it just depends on the availability of a PersistenceContext, which is, in all cases i encountered so far, equivalent to a EJB-Transaction. I.e., while in a transaction, you are free to call /load any relations, w/o getting nasty errors. So if you don't use a Client-UserTransaction (which is possible, but not recommended), a call to any SessionBean which returns any bean will implicitly starts a transaction and closes it when the method returns. So in order to have a seam-like behaviour, we should look at the EJB3 Extended PersistenceContext, that somehow allows re-attaching beans (sorry, didn't use that stuff yet, so no experiences). But still, for performance and concurrency reasons, the main point is: *When do i start/end my transactions* One might be tempted (as i was) to just wrap the whole requestcycle into one transaction. That works fine, almost no headaches with lazy loading, but really doesn't scale because transactions last too long. So what i do right now is to have a layer of sepcialized gui-related SessionBeans that return *completely initialized* beans, i.e. beans that already have any collection loaded that will be needed in the page. This is, of course, a pain in the a.., but right now i don't see any other solution... Marco Johan Compagner wrote: What is that client where you talk about? Do you have a App server that contains the EJB and a App/Web server == client? that runs wicket? Why does this happen: Now if an Instance of BeanB is passed to a wicket component the following occurs a) The BeanB instance is detached from the transaction context of the app server. There is no way to avoid this. ?? If i ask the persistence layer for BeanB does it open a session get B close the session and then return B? that would be awfull. johan On 6/1/06, Stefan Lindner [EMAIL PROTECTED] wrote: Dear suffering lazy loaders, I want to start a new thread with a discussion that is focused on EJB3 (not Spring, not Hibernate) because all those In Hibernate it works like this... hints are not helpful. To clearyfy this: 1. EJB3 is NOT Hibernate. Yes, the EJB3 implementation of JBoss is based upon Hibernate but other vendors do NOT use Hibernate. 2. Since Wicket is platform independent, an EJB3 solution for Wicket should be independent too. 3. The Problem arises when a Bean references another bean as an object through a relation: For Example SQL: create table A (id integer, value varchar(100) create table B (id integer, value varchar(100), ref_to_a integer) alter table B add constraint ArefB ref_to_a references A(id) JAVA @entity class BeanA public int getId() public void setId() @entiy class BeanB ... private BeanA; @ManyToOne(fetch=FetchType.LAZY) public BeanA getBeanA() Now if an Instance of BeanB is passed to a wicket component the following occurs a) The BeanB instance is detached from the transaction context of the app server. There is no way to avoid this. b) The instance of BeanB does not contain a complete BeanA c) The access of BeanB.getBeanA().getId will throw a LazyInitaliaziationException 4. It is not possible (correct me if I am wrong) to have a EJB3 transaction on the client. This means it is not possible to bring back the BeanB instance into an attached state on the client. 5. The only solutions I can see may be the following
Re: [Wicket-user] RE: combo box displaying choose one
add(new DropDownChoice(dropdown, model, values)
{
protected String getDefaultChoice(final Object selected)
{
return ; //this fixes your problem...
}
public String getDisplayValue(Object object)
{
return object.toString();
}
public String getIdValue(Object object, int index)
{
return object.toString();
}
})
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[Wicket-user] halt and redirect
How can I simply stop a page from rendering and redirect to another? Say I've got a condition where I've found an object to be null or an unacceptable value and I'd rather send the user to another page w/o rendering the rest of the current page? I thought I was doing that w/ setResponsePage() but apparently it hasn't been working...didn't notice until now. Thanks! -v --- All the advantages of Linux Managed Hosting--Without the Cost and Risk! Fully trained technicians. The highest number of Red Hat certifications in the hosting industry. Fanatical Support. Click to learn more http://sel.as-us.falkag.net/sel?cmd=lnkkid=107521bid=248729dat=121642 ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user
Re: [Wicket-user] Seam-like solution for Wicket + EJB3?
Yes, I've done this w/ Hibernate w/o a problem, it works great when you're manually creating destroying the sessions...but I'm not since I'm using container managed sessions in EJB3. How would this be done since the container controls the session for me? Which, is what I wantI don't want to start managing everything manually - that's my point. I used Seam as an example because it does just that...unfortunately it's tied directly to JSF. On 5/31/06, Nick Heudecker [EMAIL PROTECTED] wrote: I really don't see why this problem can't be solved with the standard Open Session In View pattern. I've used it with Struts and Wicket without a problem. --- All the advantages of Linux Managed Hosting--Without the Cost and Risk! Fully trained technicians. The highest number of Red Hat certifications in the hosting industry. Fanatical Support. Click to learn more http://sel.as-us.falkag.net/sel?cmd=lnkkid=107521bid=248729dat=121642 ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user
[Wicket-user] another dumb model question....
I've got a page where I need to call data from the EntityManger (EJB3) several times in a single pagewhich means I'd need to have several detached-models in the page. Once I put these objects and/or collections of objects into a detachable model, what's the best way to cast them back out to their original types? It seems like a silly question but I'm having trouble w/ it. If I only had one detached model I realize I could use setModel(...) and grab it w/ getModelObject() - but I've got 3-4 collections and they can't all be the page model, can they? Thanks! --- All the advantages of Linux Managed Hosting--Without the Cost and Risk! Fully trained technicians. The highest number of Red Hat certifications in the hosting industry. Fanatical Support. Click to learn more http://sel.as-us.falkag.net/sel?cmd=lnkkid=107521bid=248729dat=121642 ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user
Re: [Wicket-user] Seam-like solution for Wicket + EJB3?
Easy enough to say, however, I don't know *how* Seam does what it does - I have no idea how to implement something like this. And yes, it's a long-running transaction (I suppose?) Perhaps they're just storing the transaction in an http session so it's still relevant to the user throughout the application before it's comitted and the session is flushed. I'm not really sure... I guess that's the question then...would I have to resort to bean-managed transactions, go outside of the container, and pass the transaction around in a session until I decide to commit it? I'm afraid that's out of the question and would complex enough *not* to use EJB3 and just resort to using Wicket + Hibernate or Wicket + Hibernate + Spring. OpenSessionInView does work great, if you're using Hibernate! I'm not using Hibernate. I'm using an entirely managed environment and am not manually working w/ the session or the transaction. I'm a relative newbie to most of you, I'm sure, so hopefully someone can correct me where I'm making false assumptions. On 5/31/06, Matej Knopp [EMAIL PROTECTED] wrote: I don't know why but I just don't like the idea of long-running transactions. I think web applications are just too unpredictable to hold one transaction during multiple request. You can never be sure when (and if) the next request will come. OpenSessionInView filter has always be sufficient for me. I either load all lazyly loaded collections in advance or re-associate the object with session on every request. I don't know seam internals either, but can't see a reason why it shouldn't be possible to have long running transaction with wicket. After all, transactions are not web layers responsibility. -MAtej Vincent Jenks wrote: I'm not sure how familiar anyone here is w/ Seam and how it applies to JSF when working w/ EJB3...but I thought I'd bring this up anyhow. You'll have to forgive my ignorance as I'm not entirely clear *how* Seam works internally and haven't built a project w/ it yet...but it seems to ease the pain that Hibernate users have long experienced w/ LazyInitializationExceptions. I realize there's some sort of solition for plain 'ol Hibernate users in wicket-stuff, something about Spring? However, it's a different story when using EJB3 in the JBoss container w/ container-managed persistence. Apparently, Seam creates a long-running Hibernate session in the container that supposidly eliminates the LazyInitializationException. I've gotten quite comfortable w/ Wicket and hope to continue to use it for projects here at work...however working around lazily-loaded collections in EJB3 is becoming messy for me at times when the domain model becomes more than trivial. I have a great distaste for JSF and would rather not use it, believe me, but Seam is very compelling for large, complex projects where the LIE exception will be come much more likely. How hard would it be to implement something like Seam has to ease this problem? That is, assuming no one has come up w/ a solution yet...if there is one, please let me know! I've mentioned something like this in passing before and have gotten the usual response, which is you need to use a session-per-request pattern. The problem is; I'm using a container...I don't have control of the hibernate session, the transactions (per se), etc. In an entirely container-managed environment I don't have the options I would w/ plain Hibernate. Thanks in advance! --- All the advantages of Linux Managed Hosting--Without the Cost and Risk! Fully trained technicians. The highest number of Red Hat certifications in the hosting industry. Fanatical Support. Click to learn more http://sel.as-us.falkag.net/sel?cmd=lnkkid=107521bid=248729dat=121642 ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user --- All the advantages of Linux Managed Hosting--Without the Cost and Risk! Fully trained technicians. The highest number of Red Hat certifications in the hosting industry. Fanatical Support. Click to learn more http://sel.as-us.falkag.net/sel?cmd=lnkkid=107521bid=248729dat=121642 ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user --- All the advantages of Linux Managed Hosting--Without the Cost and Risk! Fully trained technicians. The highest number of Red Hat certifications in the hosting industry. Fanatical Support. Click to learn more http://sel.as-us.falkag.net/sel?cmd=lnkkid=107521bid=248729dat=121642 ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user
Re: [Wicket-user] another dumb model question....
If I were just displaying the lists in a ListView that'd be fine,
however I'm not using it that way.
Suppose myDetachedModel is being displayed in a ListView and on each
iteration, I'm grabbing a value from the database (here's where I need
another detachable model) and doing calculations against it - for each
iteration in the ListView loop.
In other words, I just need access to the raw object data in it's real
data-type after I've loaded it into a detachable model - my question
is simply that, how do I get it back to its original type.
On 5/31/06, Matej Knopp [EMAIL PROTECTED] wrote:
I'm not sure I understand you but you load the collections separately?
Can't you just do something like this?
class MyPage extends Page {
public MyPage() {
IModel m1 = new LoadableDetachableModel() {
Object load() {
return [load collection 1];
}
}
add(new ListView(l1, m1) {
...
});
IModel m2 = new LoadableDetachableModel() {
Object load() {
return [load collection 2];
}
}
add(new ListView(l2, m2) {
...
});
}
}
Matej
Vincent Jenks wrote:
I've got a page where I need to call data from the EntityManger (EJB3)
several times in a single pagewhich means I'd need to have several
detached-models in the page.
Once I put these objects and/or collections of objects into a
detachable model, what's the best way to cast them back out to their
original types?
It seems like a silly question but I'm having trouble w/ it. If I
only had one detached model I realize I could use setModel(...) and
grab it w/ getModelObject() - but I've got 3-4 collections and they
can't all be the page model, can they?
Thanks!
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Re: [Wicket-user] another dumb model question....
Excellent, that's perfect. The part I was unsure about was what to
pass for the arguement for getObject()
Thanks Matej!
On 5/31/06, Matej Knopp [EMAIL PROTECTED] wrote:
Suppose you have
IModel model = new LoadableDetachableModel() { ...
you can get the model any time:
ListItem myItems = (ListItem) model.getObject(null).
First time you call getObject the model is attached (list is loaded).
Until it's detached, getObject(null) will always return the loaded list.
-Matej
Vincent Jenks wrote:
If I were just displaying the lists in a ListView that'd be fine,
however I'm not using it that way.
Suppose myDetachedModel is being displayed in a ListView and on each
iteration, I'm grabbing a value from the database (here's where I need
another detachable model) and doing calculations against it - for each
iteration in the ListView loop.
In other words, I just need access to the raw object data in it's real
data-type after I've loaded it into a detachable model - my question
is simply that, how do I get it back to its original type.
On 5/31/06, Matej Knopp [EMAIL PROTECTED] wrote:
I'm not sure I understand you but you load the collections separately?
Can't you just do something like this?
class MyPage extends Page {
public MyPage() {
IModel m1 = new LoadableDetachableModel() {
Object load() {
return [load collection 1];
}
}
add(new ListView(l1, m1) {
...
});
IModel m2 = new LoadableDetachableModel() {
Object load() {
return [load collection 2];
}
}
add(new ListView(l2, m2) {
...
});
}
}
Matej
Vincent Jenks wrote:
I've got a page where I need to call data from the EntityManger (EJB3)
several times in a single pagewhich means I'd need to have several
detached-models in the page.
Once I put these objects and/or collections of objects into a
detachable model, what's the best way to cast them back out to their
original types?
It seems like a silly question but I'm having trouble w/ it. If I
only had one detached model I realize I could use setModel(...) and
grab it w/ getModelObject() - but I've got 3-4 collections and they
can't all be the page model, can they?
Thanks!
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Re: [Wicket-user] Seam-like solution for Wicket + EJB3?
Yeah, that'd be quite simple for Hibernate alone where you're utilizing the session manually...however I've never had the problems I'm having w/ plain Hibernate due to the OpenSessionInView pattern...which has always worked in that sense. However, that's very interestinggood approach for a long running session/transaction outside of EJB3. On 5/31/06, Igor Vaynberg [EMAIL PROTECTED] wrote: i would imagine if i was working with hibernate directly and wanted to achieve this i would get a session instance, and pass it around to the pages that are part of the same conversation so something like session s=getsession(); user u=getUser(s); setResponsePage(new ConfirmDeleteUserPage(u, s) and thats all there is to it, now confirmdeleteuserpage can operate on the same conversation that the page that invoked it the only trick is to diconnect and reconnect the session, but that can be done with a simple facade -Igor On 5/31/06, Vincent Jenks [EMAIL PROTECTED] wrote: Easy enough to say, however, I don't know *how* Seam does what it does - I have no idea how to implement something like this. And yes, it's a long-running transaction (I suppose?) Perhaps they're just storing the transaction in an http session so it's still relevant to the user throughout the application before it's comitted and the session is flushed. I'm not really sure... I guess that's the question then...would I have to resort to bean-managed transactions, go outside of the container, and pass the transaction around in a session until I decide to commit it? I'm afraid that's out of the question and would complex enough *not* to use EJB3 and just resort to using Wicket + Hibernate or Wicket + Hibernate + Spring. OpenSessionInView does work great, if you're using Hibernate! I'm not using Hibernate. I'm using an entirely managed environment and am not manually working w/ the session or the transaction. I'm a relative newbie to most of you, I'm sure, so hopefully someone can correct me where I'm making false assumptions. On 5/31/06, Matej Knopp [EMAIL PROTECTED] wrote: I don't know why but I just don't like the idea of long-running transactions. I think web applications are just too unpredictable to hold one transaction during multiple request. You can never be sure when (and if) the next request will come. OpenSessionInView filter has always be sufficient for me. I either load all lazyly loaded collections in advance or re-associate the object with session on every request. I don't know seam internals either, but can't see a reason why it shouldn't be possible to have long running transaction with wicket. After all, transactions are not web layers responsibility. -MAtej Vincent Jenks wrote: I'm not sure how familiar anyone here is w/ Seam and how it applies to JSF when working w/ EJB3...but I thought I'd bring this up anyhow. You'll have to forgive my ignorance as I'm not entirely clear *how* Seam works internally and haven't built a project w/ it yet...but it seems to ease the pain that Hibernate users have long experienced w/ LazyInitializationExceptions. I realize there's some sort of solition for plain 'ol Hibernate users in wicket-stuff, something about Spring? However, it's a different story when using EJB3 in the JBoss container w/ container-managed persistence. Apparently, Seam creates a long-running Hibernate session in the container that supposidly eliminates the LazyInitializationException. I've gotten quite comfortable w/ Wicket and hope to continue to use it for projects here at work...however working around lazily-loaded collections in EJB3 is becoming messy for me at times when the domain model becomes more than trivial. I have a great distaste for JSF and would rather not use it, believe me, but Seam is very compelling for large, complex projects where the LIE exception will be come much more likely. How hard would it be to implement something like Seam has to ease this problem? That is, assuming no one has come up w/ a solution yet...if there is one, please let me know! I've mentioned something like this in passing before and have gotten the usual response, which is you need to use a session-per-request pattern. The problem is; I'm using a container...I don't have control of the hibernate session, the transactions (per se), etc. In an entirely container-managed environment I don't have the options I would w/ plain Hibernate. Thanks in advance! --- All the advantages of Linux Managed Hosting--Without the Cost and Risk! Fully trained technicians. The highest number of Red Hat certifications in the hosting industry. Fanatical Support. Click to learn more http://sel.as-us.falkag.net/sel?cmd=lnkkid=107521bid=248729dat=121642 ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https
Re: [Wicket-user] 13 classes where needed for HelloWorld example ?
Personally, I've found that every example in wicket-examples has always worked flawlessly for me. Each Wicket page has an aptly-named html page that goes with it...which acts as a template for the components you define in the aptly-named class. However, I think you're right, the Hello World example on the site is still at 1.1! On 5/31/06, Pierre-Yves Saumont [EMAIL PROTECTED] wrote: Hi, I just started to try Wickets. It' supposed to be so simple to use ! I first discovered that the Helloworld example won't work. WebApplication has no getPages() method, but has an abstract getHomePages() method that needs to be implemented by the HelloWorldApplication class. Obviously, the getPages() method has been removed. Not even deprecated. Just removed between version 1.1 and 1.2. Hope nobody used it before :-( Clearly, the tutorial is useless. So I looked to the files in wicket-examples-1.2 to see what needed to be changed. Sadly, I found that 13 classes where needed to write Hello World on a web page. How many html and other supporting files ? Is this really serious ? Or did I miss something ? Pierre-Yves --- All the advantages of Linux Managed Hosting--Without the Cost and Risk! Fully trained technicians. The highest number of Red Hat certifications in the hosting industry. Fanatical Support. Click to learn more http://sel.as-us.falkag.net/sel?cmd=lnkkid=107521bid=248729dat=121642 ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user --- All the advantages of Linux Managed Hosting--Without the Cost and Risk! Fully trained technicians. The highest number of Red Hat certifications in the hosting industry. Fanatical Support. Click to learn more http://sel.as-us.falkag.net/sel?cmd=lnkkid=107521bid=248729dat=121642 ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user
[Wicket-user] need to clarify: detached entities as parameters
I know we've been over this before but I've got to dredge it up one more time, just to be absolutely sure I'm doing this the best possible way. Say I've got a master/detail setup between two pages. Since I'm using EJB3 which is essentially Hibernate, I need to decide whether or not to detach detail data if the master data is already detached. Page A: Pulls a list of Orders and wraps the collection in a LoadableDetachableModel. Each, when displayed in a ListView has a link that points to a detail page for that Order, passing the Order as a parameter for PageB to use like so: add(new Link(new PageB(order)); Page B: Populates a series of Labels w/ the Order entity that was passed into the constructor from Page A. Here's where someone had told me before that I also need to make sure this Order entity is also detached. I'm not entirely clear on why I would need to do that? The EJB/Hibernate session from Page A should have been closed by the time I reach Page B and the entity passed into the constructor should now be Transient, i.e. detached already. I'm able to confirm this fact because if I alter the entity param on Page B and then try to persist it, I get an exception. If I merge it instead, it merges into a new session and persists to the database. So, can I use the entity in Page B or must it also be detached and treated as a model throughout the page? I'd prefer not to wrap it in another model since it's much easier to just access the elements of the entity directly vs. working w/ a model. Thanks! -v --- All the advantages of Linux Managed Hosting--Without the Cost and Risk! Fully trained technicians. The highest number of Red Hat certifications in the hosting industry. Fanatical Support. Click to learn more http://sel.as-us.falkag.net/sel?cmd=lnkkid7521bid$8729dat1642 ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user
Re: [Wicket-user] Wicket 1.2 released!
Just in time, sweet! Great work guys! Truly an amazing framework and amazing piece of software - the best! Now, where's that book? ;) - just jokes...it might be nice to have a day off, eh? -v On 5/24/06, middledot [EMAIL PROTECTED] wrote: A big thank you for your exceptional dedication to the project. Les -- View this message in context: http://www.nabble.com/Wicket+1.2+released%21-t1673750.html#a4538950 Sent from the Wicket - User forum at Nabble.com. --- All the advantages of Linux Managed Hosting--Without the Cost and Risk! Fully trained technicians. The highest number of Red Hat certifications in the hosting industry. Fanatical Support. Click to learn more http://sel.as-us.falkag.net/sel?cmd=lnkkid=107521bid=248729dat=121642 ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user --- All the advantages of Linux Managed Hosting--Without the Cost and Risk! Fully trained technicians. The highest number of Red Hat certifications in the hosting industry. Fanatical Support. Click to learn more http://sel.as-us.falkag.net/sel?cmd=lnkkid7521bid$8729dat1642 ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user
Re: [Wicket-user] write an entire tag?
Igor, I got this all working correctly now, I was just missing one of
the controls in the populateEmptyItem method. When we were going back
and forth yesterday it didn't dawn on me immediately that the entire
hierarchy of components had to be re-created in this method.
I've now got it exactly where I want it (once I make the # of rows dynamic).
Thanks for your help!
On 5/22/06, VGJ [EMAIL PROTECTED] wrote:
I went ahead and created a hidden component for each of the ones that
appear in populateItem, set the column count to 3, and still got the
exception on the *same* control. That's when I called it quits! :D
I'll pick up the fight tomorrow. Thanks Igor.
On Mon, 2006-05-22 at 18:01 -0700, Igor Vaynberg wrote:
I have been...the method fires. Do all the controls that exist in
populateItem also need to exist in populateEmptyItem?? Would
missing controls explain the screwed-up hierarchy?
yes, because the same markup is used to render an empty cell and a
populated cell. so populateEmptyItem has to reproduce the hierarchy with
empty objects, or at least reproduce the top most container (if you only
haveone) and call setvisible(false) on it so that its children dont have to
be rendered and wicket can skip the rest of the markup.
so given your current markup it should look something like this:
void populateEmptyItem(Item item) {
WebMarkupContainer container=new
WebMarkupContainer(thumbnailLink);
container.setVisible (false);
item.add(container);
}
ouch...a panel for each cell?
a panel or a fragment, it doesnt matter. why ouch? there is no overhead or
anything.
-Igor
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Re: [Wicket-user] write an entire tag?
Yeah, I understand what you were saying now...I was just a little
burnt out last night. Thankfully there's only a link and two labels,
not a big deal to just add them w/ blank values.
So, if I don't set the number of rows, will it expand dynamically
(automatically)??
On 5/23/06, Igor Vaynberg [EMAIL PROTECTED] wrote:
yeah, thats the advantage of using panels or fragments - a single top level
element, so in populate empty item you just stick an empty panel.
anyways, glad to hear you got it working.
-Igor
On 5/23/06, Vincent Jenks [EMAIL PROTECTED] wrote:
Igor, I got this all working correctly now, I was just missing one of
the controls in the populateEmptyItem method. When we were going back
and forth yesterday it didn't dawn on me immediately that the entire
hierarchy of components had to be re-created in this method.
I've now got it exactly where I want it (once I make the # of rows dynamic).
Thanks for your help!
On 5/22/06, VGJ [EMAIL PROTECTED] wrote:
I went ahead and created a hidden component for each of the ones that
appear in populateItem, set the column count to 3, and still got the
exception on the *same* control. That's when I called it quits! :D
I'll pick up the fight tomorrow. Thanks Igor.
On Mon, 2006-05-22 at 18:01 -0700, Igor Vaynberg wrote:
I have been...the method fires. Do all the controls that exist in
populateItem also need to exist in populateEmptyItem?? Would
missing controls explain the screwed-up hierarchy?
yes, because the same markup is used to render an empty cell and a
populated cell. so populateEmptyItem has to reproduce the hierarchy with
empty objects, or at least reproduce the top most container (if you only
haveone) and call setvisible(false) on it so that its children dont have
to
be rendered and wicket can skip the rest of the markup.
so given your current markup it should look something like this:
void populateEmptyItem(Item item) {
WebMarkupContainer container=new
WebMarkupContainer(thumbnailLink);
container.setVisible (false);
item.add(container);
}
ouch...a panel for each cell?
a panel or a fragment, it doesnt matter. why ouch? there is no overhead
or
anything.
-Igor
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Re: [Wicket-user] Broadest appeal for Wicket
It's pretty ghetto at this point and it's hosted on a dell server in my home-office, so I've been reluctant to take it seriously: http://zambizzi.blogdns.com/ It's built w/ Wicket + EJB3 on JBoss 4.0.4. The cable connection will make it sub-optimal for speed/scalability ;) It's pretty basic as I never have time to work on it. Looks best w/ FF, I noticed some strangeness w/ IE but was too lazy to bother w/ it last weekend. On 5/23/06, Eelco Hillenius [EMAIL PROTECTED] wrote: Anyhow, I might blog-up a little setup guide for new users for Windows and Linux using Wicket as the web framework. I'll try to do that this weekend as crunch-time will be over and I can breathe once again. Maybe you want to share the URL to your blog? If you - or anyone reading this - plan on blogging on Wicket regularly, please feel free to update the 'blogs' section of the WIKI with your URL. Anyone else there developing on Linux? I use Gentoo myself but I suppose the majority is probably using Ubuntu by now? Linux might be a tough one to please a lot of people as far as setting up the JDK (though this should get easier w/ the new license.) I'm using OSX, but I know that quite a bunch of people on this list use Linux. Eelco --- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmdlnkkid0709bid3057dat1642 ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user --- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnkkid0709bid3057dat1642 ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user
Re: [Wicket-user] Broadest appeal for Wicket
I worked w/ vs.net 2002/2003 since the day each of them was released, 2002 for a long while before it was final. I actually quite liked it compared to Visual Interdev and the old vs 6.0 stuff. Of course, you're right - It's Windows-centric and doesn't allow the freedom. Once I dove into the Java world and saw what I had available to me it was very hard to justify building apps in .NET again. The biggest upside was mature ORM for Java - specifically Hibernate. Microsoft hyped, then failed miserably at releasing their own ORM framework (ObjectSpaces) and that's when I started making a push here at the office for Java. So far, soo good! You're right about source code as well. In the java community you're likely to find exactly what you need as far as source code or libraries to integrate into your appprobably 100% free and/or open source. You're more likely to find that componenets come at a price, if they're useful. On 5/23/06, Eelco Hillenius [EMAIL PROTECTED] wrote: Be glad you didn't have to work with VS 2003, that one sucked. VS 2005 is much better; one of the things I like is the integration of (integration) testing. I think they did a nice job on that. Of course easy for them as they just support Windows/ IE. One of the things I hate most of working with VS.NET is not having much source code available and in general not having as much choice of (open source) components/ frameworks/ ... as with Java. Eelco On 5/23/06, Potje rode kool [EMAIL PROTECTED] wrote: I think its more what you are used to(what you prefer), I am working for some few months with .Net 2.0 with vs.net 2005 but I never got the fealing that I got something with vs.net that I didn't have with Eclipse. But great things happening with Netbeans, with Matise and Jackpot. With .Net you are limited what Microsoft has to offer. You develop in vs.net and deploy on IIS, for web application. But what do you like so mutch about the Microsoft stuff, what is so great about vs.net? I am asking this because I am interested. Thanks, Evert 2006/5/23, VGJ [EMAIL PROTECTED]: Before we moved to Java as our primary platform at work, I had done years of development w/ MS technologies and you can love or hate Microsoft, but the ease of which you're able to sit down and get to work is one thing they *have* gotten right. The fact that it takes four months to install vs.net on modern hardware probably says something to that, but regardless, you're able to simply focus on your application - not like the relatively gnarly dev environment setup w/ Java. Though I prefer Eclipse *slightly* over Netbeans I think Sun is headed in the right direction when it comes to ease of initial setup, probably inspired by Visual Studio. I think most new users would find it easier to start w/ Netbeans for this reason. I'd be using it myself if the editor was as nice and feature-rich as eclipse. What I'd never want to see is the monolithic consolidation of technologies, like Microsoft has; you get one choice for app server, web framework, etc. If Java ever gets *that* easy than we've lost the massive advantage of freedom of choice. Anyhow, I might blog-up a little setup guide for new users for Windows and Linux using Wicket as the web framework. I'll try to do that this weekend as crunch-time will be over and I can breathe once again. Anyone else there developing on Linux? I use Gentoo myself but I suppose the majority is probably using Ubuntu by now? Linux might be a tough one to please a lot of people as far as setting up the JDK (though this should get easier w/ the new license.) -v On Tue, 2006-05-23 at 08:59 +0300, Alvar Lumberg wrote: Basically his problem seems to be this whole J2EE hell which has nothing to do with wicket - like creating a webapp directory with a valid structure, add web.xml and so on.. I suppose VGJ got the point and there most certainly is work to be done so building web apps in Java doesn't intimidate the hell out a of a Java novice. On 5/20/06, Nick Heudecker [EMAIL PROTECTED] wrote: I'm also confused by this. What are the specific problems you're encountering? The more detail you can provide, the better the wiki page I'll write will be. :) On 5/20/06, Ayodeji Aladejebi [EMAIL PROTECTED] wrote: configuration hell with wicket? well for some of us who have tasted struts, spring web flow and JSP stuffswicket is heaven --- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnkkid=120709bid=263057dat=121642 ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net
Re: [Wicket-user] Broadest appeal for Wicket
You're probably right. This was the first thing I ever built w/ Wicket and I'll usually do a small project in-parallel, at home w/ a big project at work so I can more quickly iron out any problems I might have. I plan on building more features into it, like the detail page (single blog entry on a page and then summarize on the main page.) I'd also thought about generating an HTML page for each blog entry so they can be picked up by search engines more easily. Though, from what little I've seen, nice URLs should take care of this? I'm going to work on it and then post the source for download on my blog. Would this be useful as a sample app in wicket-stuff? On 5/23/06, Eelco Hillenius [EMAIL PROTECTED] wrote: Cool. A thing to consider is to use bookmarkable pages more, especially for the topics, but also for the blog details if you would implement that (one detail bookmarkable page, and a human readable parameter to the actual topic). Eelco On 5/23/06, Vincent Jenks [EMAIL PROTECTED] wrote: It's pretty ghetto at this point and it's hosted on a dell server in my home-office, so I've been reluctant to take it seriously: http://zambizzi.blogdns.com/ It's built w/ Wicket + EJB3 on JBoss 4.0.4. The cable connection will make it sub-optimal for speed/scalability ;) It's pretty basic as I never have time to work on it. Looks best w/ FF, I noticed some strangeness w/ IE but was too lazy to bother w/ it last weekend. On 5/23/06, Eelco Hillenius [EMAIL PROTECTED] wrote: Anyhow, I might blog-up a little setup guide for new users for Windows and Linux using Wicket as the web framework. I'll try to do that this weekend as crunch-time will be over and I can breathe once again. Maybe you want to share the URL to your blog? If you - or anyone reading this - plan on blogging on Wicket regularly, please feel free to update the 'blogs' section of the WIKI with your URL. Anyone else there developing on Linux? I use Gentoo myself but I suppose the majority is probably using Ubuntu by now? Linux might be a tough one to please a lot of people as far as setting up the JDK (though this should get easier w/ the new license.) I'm using OSX, but I know that quite a bunch of people on this list use Linux. Eelco --- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmdlnkkid0709bid3057dat1642 ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user --- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmdlnkkid0709bid3057dat1642 ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user --- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmdlnkkid0709bid3057dat1642 ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user --- All the advantages of Linux Managed Hosting--Without the Cost and Risk! Fully trained technicians. The highest number of Red Hat certifications in the hosting industry. Fanatical Support. Click to learn more http://sel.as-us.falkag.net/sel?cmd=lnkkid7521bid$8729dat1642 ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user
Re: [Wicket-user] write an entire tag?
Yeah, that's what I figured given the example, however that's where my
problem lies. The items I'm adding in populateItem in the GridView
can't be found, I'm getting the hierarchy problem exception.
Here's what I'm doing in the page as an overview:
1. List Product Categories (ListView)
2. for each Category, retrieve and display Products (GridView)
3. Display 3-column table w/ Product details (cols in GridView)
Here's the code:
//add ListView object to page w/ data
add(new ListView(categoryView, categoryModel)
{
protected void populateItem(ListItem item)
{
//get catagory item
final ProductCategory category =
(ProductCategory)item.getModelObject();
//add category label
item.add(new Label(category,
category.getName()));
//STILL DON'T UNDERSTAND HOW TO PASS THIS INTO
GRIDVIEW
IModel productModel = new
LoadableDetachableModel()
{
protected Object load()
{
return
ProductProxy.getProducts(category);
}
};
IDataProvider provider = new
ProductDataProvider(ProductProxy.getProducts(category)); //HARDCODED,
NOT DETACHED! SEE DETACHED MODEL ABOVE!
GridView productView = new
GridView(productView, provider)
{
protected void populateItem(Item item)
{
//get product item
final Product product =
(Product)item.getModelObject();
//create thumbnail link w/ event
Link thumbnailLink = new
Link(thumbnailLink)
{
public void onClick()
{
setResponsePage(new ProductDetail(product));
}
};
//add attribute modifier
thumbnailLink.add(wmc);
//add thumbnail link
item.add(thumbnailLink);
.
You'll notice I've got a detached model in there...right now it's not
being used since I haven't figured out how to send detached data from
this page into the IDataProvider derived class (another issue, not to
get off track, sorry!)
Here's my HTML, I'm sure it's fantastically wrong but I need to see it
rendered to decide if it looks right:
...
tr wicket:id=categoryView
td
span wicket:id=category
class=titleSmallcategory/span
hr width=100%
size=1 /
br /
table width=200
align=left wicket:id=productView
tr
td
wicket:id=cols
table
width=200 align=left
tr
td
a href=# wicket:id=thumbnailLink
img src=# wicket:id=thumnailImg width=200
height=134 border=0 /
/a
Re: [Wicket-user] write an entire tag?
I marked everything w/ bold comments in the reply I just sent
regarding the hierarchy problem I'm having.
On 5/22/06, Igor Vaynberg [EMAIL PROTECTED] wrote:
gridview doesnt take an IModel, it takes an IDataProvider which is like a
more specific IModel.
what does your detachable model look like? i can h\elp you translate it to
dataprovider.
-Igor
On 5/22/06, VGJ [EMAIL PROTECTED] wrote:
Ha! I feel like I'm going around in circles w/ my questions, sorry for
that. More importantly, I suppose, is; If I pass an IModel instead of a
List, how do I get the ListProduct from the IModel to implement the
methods in the IDataProvider derived class?
I had asked this once before but it was in the context of a single page -
I had asked how to get my original object out of the model for use in the
page and I was told to use setModel(myDetachedModel) and then cast
getModelObject() throughout the page to what I wanted. This, however, is a
different scenario.
On Mon, 2006-05-22 at 10:02 -0700, Igor Vaynberg wrote:
On 5/22/06, VGJ [EMAIL PROTECTED] wrote:
Ok, this makes more sense than the example in wicket-examples. However,
what if the List I'm passing in is actually wrapped in a
LoadableDetachableModel?
that should be ok because dataview will check if the idataprovider impl
you passed in also implements IDetachable and call detach on it at the end
of request.
so class MyDataProvider extends ListDataProvider implements IDetachable
{}
Congrats on the baby, by the way!!
thank you :)
-Igor
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Re: [Wicket-user] write an entire tag?
Sure, how? Maybe I'm misunderstanding? I can't stick the whole app
in there, however. Maybe I could just send you both of the entire
files (java + html)?
I've found that if I set it to 1 column, it renders w/o an exception.
If I set it to 3 columns, it bombs. When it does render, I see one
row w/ 3 items even though there are 5 items. Weird.
On 5/22/06, Igor Vaynberg [EMAIL PROTECTED] wrote:
do you want to stick this into wicket-quickstart and let me take a look? it
is the most efficient way i can find the problem
-Igor
On 5/22/06, VGJ [EMAIL PROTECTED] wrote:
ok, riddle me this, Batman.
I changed it to just look like:
item.add(new GridView(name, provider)
{
};
Whereas before, I was creating the GridView, *then* adding it to the
top-level ListView in two separate steps.
I'm sure my hierarchy before was right because I can simply change what I
show above to
GridView gv = new GridView(name, provider)
{
};
item.add(gv);
...and, I get the hierarchy exception!
I'd be fine w/ the fix I came up w/, however, I can't get more than one
row to appear.
I did this:
item.add(new GridView(name, provider)
{
}.setRows(3).setColumns(3));
...however, I only get one row no matter how many items there are. If I
switch back to the old ListView I was using, sure enough, all 5 items show
up in a single row.
any ideas?
On Mon, 2006-05-22 at 15:52 -0700, Igor Vaynberg wrote:
where is the populateEmptyItem you are supposed to implement for the
gridview? this method populate left over cells and is probably what is
causing the hierarchy mismatch.
also here is how to implement detachable idataprovider:
class mydataprovider implemetns IDataProvider, IDetachable {
private transient List list;
public void detach() { list=null; }
public iterator iterateor(int first, int last) {
return getlist().listiterator(first);
}
public int size() {
return getlist().size();
}
private List getlist() {
if (list==null) {
list=...load list here
}
return list;
}
}
-Igor
On 5/22/06, Vincent Jenks [EMAIL PROTECTED] wrote:
Yeah, that's what I figured given the example, however that's where my
problem lies. The items I'm adding in populateItem in the GridView
can't be found, I'm getting the hierarchy problem exception.
Here's what I'm doing in the page as an overview:
1. List Product Categories (ListView)
2. for each Category, retrieve and display Products (GridView)
3. Display 3-column table w/ Product details (cols in GridView)
Here's the code:
//add ListView object to page w/ data
add(new ListView(categoryView, categoryModel)
{
protected void
populateItem(ListItem item)
{
//get catagory item
final ProductCategory
category = (ProductCategory)item.getModelObject();
//add category label
item.add(new
Label(category, category.getName()));
//STILL DON'T UNDERSTAND
HOW TO PASS THIS INTO GRIDVIEW
IModel productModel = new
LoadableDetachableModel()
{
protected Object
load()
{
return
ProductProxy.getProducts (category);
}
};
IDataProvider provider =
new
ProductDataProvider(ProductProxy.getProducts(category)); //HARDCODED,
NOT DETACHED! SEE DETACHED MODEL ABOVE!
GridView productView =
new GridView(productView, provider)
{
protected void
populateItem(Item item)
{
//get
product item
final
Product product = (Product)item.getModelObject();
//create
thumbnail link w/ event
Link
thumbnailLink = new Link(thumbnailLink)
{
public void onClick()
{
setResponsePage(new ProductDetail(product));
}
};
//add
attribute modifier
thumbnailLink.add(wmc);
//add
thumbnail link
item.add(thumbnailLink);
.
You'll notice I've got a detached model in there...right now it's not
being used since
Re: [Wicket-user] write an entire tag?
On 5/22/06, Igor Vaynberg [EMAIL PROTECTED] wrote:
im taking a stab in the dark here, but
if you call setColumns(1) then the chances are you are going to have an
empty cell that needs to be populated and your populateEmptyItem method is
not reproducing the hierarchy properly.
You beat me to my last reply...this is probably *exactly* what's
happening. However, I'm implementing that method...is it just not
working correctly?
as i said, if you can mock enough of this in wicket-quickstart i can help
you more. if not then you have to walk the code and see what goes wrong.
I have been...the method fires. Do all the controls that exist in
populateItem also need to exist in populateEmptyItem?? Would
missing controls explain the screwed-up hierarchy?
the best way to use the gridview imho is to make each cell a panel or a
fragment so that in markup you only have td wicket:id=cellsspan
wicket:id=cell-panel//td that way in populateEmptyItem you can just add
an empty panel and be done.
so instead of td wicket:id=cellsa wicket:id=linkspan
wicket:id=label/span/a/td
you have
td wicket:id=cellsspan wicket:id=item/span/td
...
wicket:fragment wicket:id=item-fraga wicket:id=linkspan
wicket:id=label/span/a/wicket:fragment
wicket:fragment
wicket:id=empty-item-frag/wicket:fragment
makes things nice and easy
ouch...a panel for each cell?
-Igor
On 5/22/06, VGJ [EMAIL PROTECTED] wrote:
Another lead, and perhaps the source of the problem:
If I have setRows() set on the control...it doesn't render how I want but
the hierarchy exception goes away. If I set setColumns() on the
control...ka-boom.
Obviously the control is messing itself up on account of my messed up
HTML?
On Mon, 2006-05-22 at 15:52 -0700, Igor Vaynberg wrote:
where is the populateEmptyItem you are supposed to implement for the
gridview? this method populate left over cells and is probably what is
causing the hierarchy mismatch.
also here is how to implement detachable idataprovider:
class mydataprovider implemetns IDataProvider, IDetachable {
private transient List list;
public void detach() { list=null; }
public iterator iterateor(int first, int last) {
return getlist().listiterator(first);
}
public int size() {
return getlist().size();
}
private List getlist() {
if (list==null) {
list=...load list here
}
return list;
}
}
-Igor
On 5/22/06, Vincent Jenks [EMAIL PROTECTED] wrote:
Yeah, that's what I figured given the example, however that's where my
problem lies. The items I'm adding in populateItem in the GridView
can't be found, I'm getting the hierarchy problem exception.
Here's what I'm doing in the page as an overview:
1. List Product Categories (ListView)
2. for each Category, retrieve and display Products (GridView)
3. Display 3-column table w/ Product details (cols in GridView)
Here's the code:
//add ListView object to page w/ data
add(new ListView(categoryView, categoryModel)
{
protected void
populateItem(ListItem item)
{
//get catagory item
final ProductCategory
category = (ProductCategory)item.getModelObject();
//add category label
item.add(new
Label(category, category.getName()));
//STILL DON'T UNDERSTAND
HOW TO PASS THIS INTO GRIDVIEW
IModel productModel = new
LoadableDetachableModel()
{
protected Object
load()
{
return
ProductProxy.getProducts (category);
}
};
IDataProvider provider =
new
ProductDataProvider(ProductProxy.getProducts(category)); //HARDCODED,
NOT DETACHED! SEE DETACHED MODEL ABOVE!
GridView productView =
new GridView(productView, provider)
{
protected void
populateItem(Item item)
{
//get
product item
final
Product product = (Product)item.getModelObject();
//create
thumbnail link w/ event
Link
thumbnailLink = new Link(thumbnailLink)
{
public void onClick()
{
setResponsePage(new ProductDetail(product
[Wicket-user] write an entire tag?
I'm having an issue trying to display things a certain way. I want to display 3 thumbnails per-row and wrap on the third. In the HTML this is made up of a table tag w/ a single cell. The thumbnails are wrapped in their own table so it's something like this: table wicket:id=masterListView tr td !-- want this to happen 3x then break! -- table wicket:id=thumbnailListView tr tdimg src=# //td tddescription.../td /tr /table /td /tr /table Could I maybe print a br / tag after the third thumbnail table? Can someone suggest a better approach? I thought if I put a static pixel width on the master table they would wrap automatically...but they don't and the table stretches indefinitely. --- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnkkid0709bid3057dat1642 ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user
Re: [Wicket-user] write an entire tag?
I guess I've avoided anything but ListView because the other Grid/layout table controls are more complicated and I'm in a time crunch. I can pass a List into a ListView but I have to write extra glue-code to use the others in extensionsand I'm just not familiar w/ them. Is it the public Iterator iterator(int arg0, int arg1) method that provides the data in the overridden IDataProvider class? I guess it's not obvious or intuitive to me how you get data *into* the GridView. I need to pass a object as a parameter into this data prodivder since the master table determines what is shown in the child table. On 5/21/06, Igor Vaynberg [EMAIL PROTECTED] wrote: why not use a gridview from extensions? it will do the wrapping for you. -Igor On 5/21/06, Vincent Jenks [EMAIL PROTECTED] wrote: I'm having an issue trying to display things a certain way. I want to display 3 thumbnails per-row and wrap on the third. In the HTML this is made up of a table tag w/ a single cell. The thumbnails are wrapped in their own table so it's something like this: table wicket:id=masterListView tr td !-- want this to happen 3x then break! -- table wicket:id=thumbnailListView tr tdimg src=# //td tddescription.../td /tr /table /td /tr /table Could I maybe print a br / tag after the third thumbnail table? Can someone suggest a better approach? I thought if I put a static pixel width on the master table they would wrap automatically...but they don't and the table stretches indefinitely. --- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmdlnkkid0709bid3057dat1642 ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user --- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnkkid0709bid3057dat1642 ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user
[Wicket-user] HTTPS switching
OK, this discussion has been had before but IRC, it was determined that we could use ExternalLink to switch (which would work for me if it weren't a form.) However, what if I'm using a Button? Could an ExternalButton be rigged up that would somehow submit a form as well? Could I maybe redirect to an external link instead? I know this can be done w/ non-wicket pages but would this be a problem when redirecting to a wicket page? I'm a little unsure how to proceed w/ this. Thanks! --- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnkkid0709bid3057dat1642 ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user
Re: [Wicket-user] Google Web Toolkit integration ?
You see Igorwe're not so different...you and I. I agree...and simply because we're building web applications we're likely to be working with web designers and web developers who are well versed in markup CSS and are able to take part of the application maintenance upon themselves. Using a pure-code framework can put a lot of design layout work on the developer and help to reduce the division of labor...which isn't necessarily a good thing. On 5/17/06, Igor Vaynberg [EMAIL PROTECTED] wrote: allow myself to quote...myself || imho, html is the best layout manager out there for browser apps. add css to the mix and you have a great skin manager as well. i never said css was great for layout manager :) and yes the box model is broken. -Igor On 5/17/06, Johan Compagner [EMAIL PROTECTED] wrote: ha! and css is easier then layout manager in java... hmm that is not how i see it. CSS is just plain horrible stupid box thing.. And what is a layout manager in css? There isn't one everything is sort of absoluut positioned and then you can do in swing also (not recommended ofcourse) johan On 5/17/06, Igor Vaynberg [EMAIL PROTECTED] wrote: imho, html is the best layout manager out there for browser apps. add css to the mix and you have a great skin manager as well. the one thing you always hear swing developers bitching about is how they have to fight the layout managers to get the results they want. gridbaglayout is poweful but its a huge pain to work with. matisse+grouplayout are the holy grail for swing devels, its nice and easy to create layouts. but it still requires a gui to do this, while i can do html easily by hand. also browser screen space doesnt translate easily to the desktop space. in desktop space you are pixel aware, you are also pixel aware of your fonts and the south east corner of the window. in html you have none of these things. look at wingS framework examples, they use layout managers. look how rectangular their examples look. -Igor On 5/17/06, Frank Silbermann [EMAIL PROTECTED] wrote: I, personally, don't care for HTML, and perhaps I might enjoy programming in Echo2 better. But suppose an employer maintained an HTML fragment with links to their entire portfolio of web applications, and wanted this fragment to appear on every page of each web application. Since someone else is maintaining that scrap and keeping it up-to-date, I would not want to translate it into Echo 2 and maintain my own copy. Would it not likely be easier to incorporate such an HTML scrap into a Wicket application, versus one written in a framework such as Echo 2 that abstracted away the HTML completely? -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] ] On Behalf Of Eelco Hillenius Sent: Wednesday, May 17, 2006 10:58 AM To: wicket-user@lists.sourceforge.net Subject: Re: [Wicket-user] Google Web Toolkit integration ? It's certainly an intriguing idea (have a look at haxe.org if you find it interesting), ... ... Yeah. I see some advantages of using layout managers - basically the same promise as Swing has - but currently I would still prefer using HTML for layout. If I would like the GWT way of developing applications, I would have choosen Echo 2 a long time ago. GWT looks like a next gen Echo to me, though with a very big name behind it, and some cool innovations. ... Eelco --- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmdlnkkid0709bid3057dat1642 ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user --- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnkkid0709bid3057dat1642 ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user
Re: [Wicket-user] HTTPS switching
Because it's a shopping cart and either way a form has to be submitted...so I'd rather do it when the form is submitted and not have the extra step. I got around it by redirecting externally like the wiki shows, only I used a url like this: https://localhost:8443/MyApp/products?wicket:bookmarkablePage=:com.myapp.ui.UserAccount Is that a bad idea or is there not a better way? The cart is stateful so it seems to work fine. On 5/17/06, Johan Compagner [EMAIL PROTECTED] wrote: so your form is first in none https but the submit must go to https? Why would you do that? Why not first move to https then submit the form? Looks safer to me. But if you want you have to control the urlFor of the Form component. Override this to append the https and server part. johan On 5/17/06, Vincent Jenks [EMAIL PROTECTED] wrote: OK, this discussion has been had before but IRC, it was determined that we could use ExternalLink to switch (which would work for me if it weren't a form.) However, what if I'm using a Button? Could an ExternalButton be rigged up that would somehow submit a form as well? Could I maybe redirect to an external link instead? I know this can be done w/ non-wicket pages but would this be a problem when redirecting to a wicket page? I'm a little unsure how to proceed w/ this. Thanks! --- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmdlnkkid0709bid3057dat1642 ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user --- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnkkid0709bid3057dat1642 ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user
Re: [Wicket-user] Free Maven2 book
I don't think so...unless we've both been dropped. I've seen maybe five posts here all day. On 5/15/06, Frank Silbermann [EMAIL PROTECTED] wrote: I received an unusually low number of posts this weekend from the Wicket user group, and none today. Is the mailing list down? If not, have I been dropped from the list? --- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmdlnkkid0709bid3057dat1642 ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user --- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnkkid0709bid3057dat1642 ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user
[Wicket-user] validation
Is there a good breakdown of how to use the validation classes anywhere? I see an example of RequiredValidator in the wiki but none of the others. Since RequiredValidator is depreciated and we need more control anyhow, we're looking at using some of the others. I can get them to *work* somewhat...but am having some problems. Are the .properties files still used for validation messages? How should I prevent Exceptions when using the NumberValidator? I guess the javadoc is not quite enough for me in this case. I'd be happy to add to the wiki if I knew some details on this. Thanks! -v --- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnkkid0709bid3057dat1642 ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user
Re: [Wicket-user] Link to Anchor
+1 - I think that's pretty cool!
Couldn't that be done w/ an ExternalLink? AttributeModifier?
On 5/11/06, Eelco Hillenius [EMAIL PROTECTED] wrote:
Yeah, I like that idea. So, if the contents of the url start with #,
we append that to the url... that's the idea, right?
What do other people think/ votes?
Eelco
On 5/11/06, Ali Zaid [EMAIL PROTECTED] wrote:
Hay Guys;
I was testing RC3 and I have noticed that anchors are not implemented,
I think I file a request for this, let me explain
if I have a link that say
a href=#clientPanel wicket:id=newClinetLink new Client/a
when redirect to the new client page it should jump to that anchor,
the way I do it now is
@Override
protected CharSequence getURL() {
return super.getURL() + #clientPanel;
}
I think link should be able to read the what's in href and do that
automatically ;), I think this is more wicket way than have to inser
some html thing in java.
--
Regards, Ali
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Re: [Wicket-user] Wicket in action?
He'll definitely internalize every word. Really absorbing the contents...hyuck hyuck. Alright, I'm done now. On 5/11/06, Eelco Hillenius [EMAIL PROTECTED] wrote: I guess he wants to digest it fully. Eelco On 5/11/06, Nick Heudecker [EMAIL PROTECTED] wrote: Won't that make it hard to read? On 5/11/06, Ali Zaid [EMAIL PROTECTED] wrote: hay :) when do we expect this? I want to eat this book!!! :) --- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmdlnkkid0709bid3057dat1642 ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user --- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnkkid0709bid3057dat1642 ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user
Re: [Wicket-user] The other side of Wicket ...
I don't think ASP.NET is superior to Wicket in any of the items you described, honestly. ASP.NET requires more work for including separate pages, panels, etc. I found the Panel much more elegant in Wicket than a User Control in ASP.NET. I think you're right, however, the one-off stuff that you don't plan to grow or maintain regularly is well suited for ASP.NETsmaller applications that don't require much thought. If you're in a Windows-only environment and it's already there for you...it's just convenient. I still think it can be done more productively in Wicket. And, I never want to have to write a pile of ADO.NET code for a more-than-trivial web app again...I've been spoiled by Hibernate EJB3. On 5/5/06, Frank Silbermann [EMAIL PROTECTED] wrote: For the last couple of months I've been building in Wicket to replace an ASP.NET application. My impression is that ASP.NET is the best thing I've ever seen for doing a one-of. Any page content that I'm going to build and use in just one page (or simply include with no modifications in a variety of places) is incredibly easy to do in ASP.NET. Wicket is far superior for situations where I need to do the same _kind_ of thing in a variety of different places, but with variations. With Wicket it is easier to build and use a component with a variety of constructors, and with methods that can be easily replaced each time I use it. -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Vincent Jenks Sent: Thursday, May 04, 2006 5:49 PM To: wicket-user@lists.sourceforge.net Subject: Re: [Wicket-user] The other side of Wicket ... Oh yeah, just jokes, .NET is a pretty great technology...though it still requires far more work than the EJB3+Wicket combo. MS's tools are great, they have a snazzy IDE...but I still prefer Eclipse...perhaps because of its open nature and breadth of industry support both pro amateur. The tools are also the problemyou can't rely on much else outside of MS's visual studio tools to do the job. I personally hate WYSIWYG environments and writing asp.net pages, controls, etc. w/o the editor can be quite tedious. JSF's similarity to ASP.NET is one reason I didn't want to use it...not to mention all of the strange issues I had heard of w/ JSF 1.1. .NET has it's place...but now that EJB3 is a finalized spec...I doubt it can keep up w/ Java EE 5 and beyond in a one-on-one comparison. stinfo/wicket-user --- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmdlnkkid0709bid3057dat1642 ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user --- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnkkid0709bid3057dat1642 ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user
Re: [Wicket-user] Re: The other side of Wicket ...
Please don't get the impression that I'm entirely without complaints with my Wicket learning experience. One thing I found particularly awkward was how models work in some of the form widgets, i.e. DropDownChoice, ListMultipleChoice, etc. This is where I found the Wicket learning curve was greater because it wasn't nearly as intuitive as I had expected. There are some cases where I find models to be complex but I'm sure we'll have lots of fantastic examples and documentation when the Wicket book makes it to the shelves! I don't know Wicket well enough yet to really offer anything useful to the devs as to how to improve my complaints...so I'll leave it at that. Perhaps I can contribute more in the future when I'm better educated on the subject. I'm not building large-scale, clustered, mammoth applications with Wicket yet which, by the sounds of it, you're most interested in. Your experience is likely to be much different than mine due to the challenges of writing these kinds of applications. To that, I just can't speak. On 5/4/06, Ashley Aitken [EMAIL PROTECTED] wrote: Hi Vincent (et al.), I'm about 90% finished w/ a Wicket/EJB3 (JBoss) storefront solution for my company to start doing consumer web sales. In my personal opinion, Wicket + EJB3 is the holy grail of Java web development...and I'm not being dramatic. It would be hard to convince me to use another framework, going forward. That's a glowing report for Wicket integration with EJB3. Thanks for explaining how well your application development went. Cheers, Ashley. -- Ashley Aitken Perth, Western Australia mrhatken at mac dot com Skype Name: MrHatken (GMT + 8 Hours!) --- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnkkid0709bid3057dat1642 ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user
Re: [Wicket-user] Re: The other side of Wicket ...
That's exactly what I said later in my email - once I feel that I'm not such an amateur in the ways of WicketI'll be glad to contribute. Even with the concepts I'm still a beginner so I'm not all that valuable yet. I'm not dumping on you guys, you've been an incredible help and I couldn't have built it this fast (or learned this fast) without your help. So, thanks! On 5/5/06, Eelco Hillenius [EMAIL PROTECTED] wrote: On 5/5/06, Vincent Jenks [EMAIL PROTECTED] wrote: Please don't get the impression that I'm entirely without complaints with my Wicket learning experience. Hurry, it's an open source project, and anyone can contribute to make it better! I think so far we have been taking our users quite seriously, and with a thread like this it feels like there isn't that much distinction between the developers and users. Thanks! Eelco --- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmdlnkkid0709bid3057dat1642 ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user --- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnkkid0709bid3057dat1642 ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user
Re: [Wicket-user] Re: The other side of Wicket ...
I've never built an app in Swing in my life...so I can't relate. I'm guessing you'll have lots of users/developers like me going forward who are in the same boat. The basic concepts of using a model to populate and access items in List-bound widgets is very easy to understand...it's when I had to pre-populate and pre-select items that it got hairy and didn't quite behave as I would have expected. If you look through the list you'll see a rather long back and forth between Igor any myself on where I was having problems w/ this. Otherwise, models aren't that hard to grasp once you've used them a couple times. I was able to go back later and use other widgets w/ relative ease after my DropDownChoice experience. On 5/5/06, Johan Compagner [EMAIL PROTECTED] wrote: One thing I found particularly awkward was how models work in some of the form widgets, i.e. DropDownChoice, ListMultipleChoice, etc. This is where I found the Wicket learning curve was greater because it wasn't nearly as intuitive as I had expected. Strange thing is they work exactly like Swing Comboboxes and Lists.. The selected objects are just the objects that are in the total list. And you have a Renderer that displays the objects.. (to display a text in a label that is the toString of the object) The only difference is is that in wicket you also need to generate a String id because we need that to send to the browser. johan --- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnkkid0709bid3057dat1642 ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user
Re: [Wicket-user] Image upload
Hi Philip,Thanks so much for the sample code and wiki entry...it makes a lot of sense, however, it is a little bit of overkill for the app I built. You gave me a bazooka to take to a gun-fight!Really, what it comes down to is; I need to turn the byte array I'm pulling out of the file system and turn it into an image. The upload I already had one of my devs build was working fine and I'm not sure (for now anyways) we need your full-on image service. I'm googling around to see if I can figure out how to simply turn the byte array into an image I can display on a page...not something I'm familiar with. I couldn't gather from your example how this would be done, either. Thanks for the help!On 5/2/06, Philip A. Chapman [EMAIL PROTECTED] wrote: How was it? Do I need to make any edits to make it easier to understand? On Mon, 2006-05-01 at 11:28 -0600, Vincent Jenks wrote: I'll read through this, thanks a ton! On 5/1/06, Philip A. Chapman [EMAIL PROTECTED] wrote: Sorry for the delay, but I spent the time to create a wiki page so that hopefully others can benefit from what little I have to say on the subject: http://www.wicket-wiki.org.uk/wiki/index.php/UploadDownload On Mon, 2006-05-01 at 08:01 -0700, Igor Vaynberg wrote: yes, thats it. basically you would create a that resource that takes the filename/fileid/whatever off the url and streams the file. there is an example of this, i will ask one of my friends to post it here. stay tuned. -Igor On 5/1/06, Vincent Jenks [EMAIL PROTECTED] wrote: Did you mean to say DynamicWebResource? On 4/21/06, Johan Compagner [EMAIL PROTECTED] wrote: you could save those images to a DB or to a working dir on the server. Then have a DynamicByteArrayResource or the 1.2 one: WebDynamicResource to load the image from the location you stored the image. johan On 4/21/06, Steve Knight [EMAIL PROTECTED] wrote: I am creating a form that will allow users to upload image files that will be displayed on other pages.How should I go about uploading the images so that they can be used in Wicket Image components on the other pages?The upload part is not problem, I just don't know where I should put them. On my view pages, I am using ThumbnailImageResource which takes a WebResource in it's contructor to find the image.Where should I save the images to make this work? Thanks. Steve --- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmdlnkkid0709bid3057dat1642 ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user -- Philip A. ChapmanDesktop and Web Application Development:Java, .NET, PostgreSQL, MySQL, MSSQLLinux, Windows 2000, Windows XP -BEGIN PGP SIGNATURE- Version: GnuPG v1.4.1 (GNU/Linux) iD8DBQBEVjqCAdpynRSGw3URAiqOAKCDsSpRHf8WQ8EGaneJoAGS4WD5bwCfaYED Kb0kHbQYO8P7wOBWUVGWw7I= =x7ml -END PGP SIGNATURE- -- Philip A. ChapmanDesktop and Web Application Development:Java, .NET, PostgreSQL, MySQL, MSSQLLinux, Windows 2000, Windows XP -BEGIN PGP SIGNATURE-Version: GnuPG v1.4.1 (GNU/Linux)iD8DBQBEV4M6AdpynRSGw3URAhkvAJ4tHqn2wYOd9LuuD43MWsGhnGGgxACffIoBEKdVHMEHbsM6PC+E9nkwcFw==GFH9-END PGP SIGNATURE-
Re: [Wicket-user] Image upload
OK, the last part is what I think was missing. Wow, that's rather confusing for referencing a resource outside of the web app root.I'll see what I can do, thanks!On 5/5/06,
Igor Vaynberg [EMAIL PROTECTED] wrote:
this is already described in philip's wiki article under download image sectionwhat you want is a stripped down version of the image resource:public class ImageResource extends DynamicWebResource
{
// CONSTANTS public static final Log logger = LogFactory.getLog(ImageResource.class); private static final long serialVersionUID = 1L; // CONSTRUCTORS public ImageResource()
{ super(); } public ImageResource(Locale local) { super(local); } // METHODS // MEMBERS @Override protected ResourceState getResourceState()
{ ValueMap params = getParameters(); String imageId=params.get(id); byte[] data="" style="color: rgb(255, 0, 0);">loadImageData(id); Date lastModified=
getImageLastMod(id); ImageResourceState state = new ImageResourceState(Time.valueOf(lastModified)); state.setContentType(imageEntry.getContentType
()); state.setData(imageService.getImage(imageEntry)); return state; } class ImageResourceState extends ResourceState { // CONSTRUCTORS ImageResourceState(Time lastModified)
{ super(); this.lastModified = lastModified; } // MEMBERS private String contentType; @Override public String getContentType()
{ return contentType; } void setContentType(String contentType) { this.contentType = contentType; }private byte[] data;
@Override public byte[] getData() { return data; } void setData(byte[] data) { this.data = ""> }@Override
public int getLength() { return data.length; }private Time lastModified; @Override public Time lastModifiedTime() { return lastModified;
}
// METHODS }}then you register this as a shared resource and get a resource reference. then when you want to build a url for an image you do thisResourceReference imageResource=...
String url="">hope this clears it up some more.-Igorhope this clears it up some more.
On 5/5/06,
Vincent Jenks [EMAIL PROTECTED] wrote:
Hi Philip,Thanks so much for the sample code and wiki entry...it makes a lot of sense, however, it is a little bit of overkill for the app I built. You gave me a bazooka to take to a gun-fight!
Really, what it comes down to is; I need to turn the byte array I'm pulling out of the file system and turn it into an image. The upload I already had one of my devs build was working fine and I'm not sure (for now anyways) we need your full-on image service.
I'm googling around to see if I can figure out how to simply turn the byte array into an image I can display on a page...not something I'm familiar with. I couldn't gather from your example how this would be done, either.
Thanks for the help!On 5/2/06, Philip A. Chapman
[EMAIL PROTECTED] wrote:
How was it? Do I need to make any edits to make it easier to understand?
On Mon, 2006-05-01 at 11:28 -0600, Vincent Jenks wrote:
I'll read through this, thanks a ton!
On 5/1/06, Philip A. Chapman
[EMAIL PROTECTED] wrote:
Sorry for the delay, but I spent the time to create a wiki page so that hopefully others can benefit from what little I have to say on the subject:
http://www.wicket-wiki.org.uk/wiki/index.php/UploadDownload
On Mon, 2006-05-01 at 08:01 -0700, Igor Vaynberg wrote:
yes, thats it.
basically you would create a that resource that takes the filename/fileid/whatever off the url and streams the file. there is an example of this, i will ask one of my friends to post it here. stay tuned.
-Igor
On 5/1/06, Vincent Jenks
[EMAIL PROTECTED] wrote:
Did you mean to say DynamicWebResource?
On 4/21/06, Johan Compagner [EMAIL PROTECTED] wrote:
you could save those images to a DB or to a working dir on the server.
Then have a DynamicByteArrayResource or the 1.2 one: WebDynamicResource to
load the image from the location you stored the image.
johan
On 4/21/06, Steve Knight [EMAIL PROTECTED] wrote:
I am creating a form that will allow users to upload image files that will
be displayed on other pages.How should I go about uploading the images so
Re: [Wicket-user] Re: The other side of Wicket ...
Yes...and I'm repeating myself here Igorbut that'll be fantastic. On 5/5/06, Igor Vaynberg [EMAIL PROTECTED] wrote: but its still confusing as hell to have a constructor like DropDownChoice(String, IModel, IModel) it just plain sucks generics will make it much better DropDownChoiceT(String, IModelT, IModelListT) then at a glance you know where things go. and yes IModel is a tricky beast, mainly because it is so flexible. though, i think once you get used to it you can wield its power quiet effortlessly. -Igor On 5/5/06, Johan Compagner [EMAIL PROTECTED] wrote: One thing I found particularly awkward was how models work in some of the form widgets, i.e. DropDownChoice, ListMultipleChoice, etc. This is where I found the Wicket learning curve was greater because it wasn't nearly as intuitive as I had expected. Strange thing is they work exactly like Swing Comboboxes and Lists.. The selected objects are just the objects that are in the total list. And you have a Renderer that displays the objects.. (to display a text in a label that is the toString of the object) The only difference is is that in wicket you also need to generate a String id because we need that to send to the browser. johan --- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnkkid0709bid3057dat1642 ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user
Re: [Wicket-user] Image upload
I guess I'm still a little lost here. Why would I need to use a querystring to build the string? Do I? I'm thinking not.I'm not generating thumbnails...my version of this is much, much, much smaller. I'm uploading images to a pre-defined, static location. That part works great, no problems there. I'm then pulling them from that static location to display them.
I know that static path on disk where the images are located and I know the name ahead of time (looping through a ListItem in a ListView from EJB3 entities in a List).How is the id querystring param relevant? Can't I just pass the path + img_name.gif into the urlFor() and be done w/ it?
I'm probably just over-complicating this...On 5/5/06, Igor Vaynberg [EMAIL PROTECTED] wrote:
this is already described in philip's wiki article under download image section
what you want is a stripped down version of the image resource:public class ImageResource extends DynamicWebResource{
// CONSTANTS public static final Log logger = LogFactory.getLog(ImageResource.class); private static final long serialVersionUID = 1L; // CONSTRUCTORS public ImageResource()
{ super(); } public ImageResource(Locale local) { super(local); } // METHODS // MEMBERS @Override protected ResourceState getResourceState()
{ ValueMap params = getParameters(); String imageId=params.get(id); byte[] data="" style="color: rgb(255, 0, 0);">loadImageData(id); Date lastModified=
getImageLastMod(id); ImageResourceState state = new ImageResourceState(Time.valueOf(lastModified)); state.setContentType(imageEntry.getContentType
()); state.setData(imageService.getImage(imageEntry)); return state; } class ImageResourceState extends ResourceState { // CONSTRUCTORS ImageResourceState(Time lastModified)
{ super(); this.lastModified = lastModified; } // MEMBERS private String contentType; @Override public String getContentType()
{ return contentType; } void setContentType(String contentType) { this.contentType = contentType; }private byte[] data;
@Override public byte[] getData() { return data; } void setData(byte[] data) { this.data = ""> }@Override
public int getLength() { return data.length; }private Time lastModified; @Override public Time lastModifiedTime() { return lastModified;
}
// METHODS }}then you register this as a shared resource and get a resource reference. then when you want to build a url for an image you do thisResourceReference imageResource=...
String url="">hope this clears it up some more.-Igorhope this clears it up some more.
On 5/5/06,
Vincent Jenks [EMAIL PROTECTED] wrote:
Hi Philip,Thanks so much for the sample code and wiki entry...it makes a lot of sense, however, it is a little bit of overkill for the app I built. You gave me a bazooka to take to a gun-fight!
Really, what it comes down to is; I need to turn the byte array I'm pulling out of the file system and turn it into an image. The upload I already had one of my devs build was working fine and I'm not sure (for now anyways) we need your full-on image service.
I'm googling around to see if I can figure out how to simply turn the byte array into an image I can display on a page...not something I'm familiar with. I couldn't gather from your example how this would be done, either.
Thanks for the help!On 5/2/06, Philip A. Chapman
[EMAIL PROTECTED] wrote:
How was it? Do I need to make any edits to make it easier to understand?
On Mon, 2006-05-01 at 11:28 -0600, Vincent Jenks wrote:
I'll read through this, thanks a ton!
On 5/1/06, Philip A. Chapman
[EMAIL PROTECTED] wrote:
Sorry for the delay, but I spent the time to create a wiki page so that hopefully others can benefit from what little I have to say on the subject:
http://www.wicket-wiki.org.uk/wiki/index.php/UploadDownload
On Mon, 2006-05-01 at 08:01 -0700, Igor Vaynberg wrote:
yes, thats it.
basically you would create a that resource that takes the filename/fileid/whatever off the url and streams the file. there is an example of this, i will ask one of my friends to post it here. stay tuned.
-Igor
On 5/1/06, Vincent Jenks
[EMAIL PROTECTED] wrote:
Did you mean to say DynamicWebResource?
On 4/21/06, Johan Compagner [EMAIL PROTECTED] wrote:
you could save those images to a DB or to a working dir on the server.
Re: [Wicket-user] Image upload
Obviously not...or we wouldn't be having this conversation. It's a folder outside of the webroot.I'd have a list of strings, basically, to the effect of:C:\\app\\images\\img1.gifC:\\app\\images\\img2.gif
C:\\app\\images\\img3.gif
C:\\app\\images\\img4.gifI may just start storing them as blobs in the DB...they won't change often so I can cache them. I'm running short on time and starting to bite my nails! :D
On 5/5/06, Igor Vaynberg [EMAIL PROTECTED] wrote:
hmmis the static location accessible from the web?!?!?!?-Igor
On 5/5/06, Vincent Jenks [EMAIL PROTECTED]
wrote:I guess I'm still a little lost here. Why would I need to use a querystring to build the string? Do I? I'm thinking not.
I'm not generating thumbnails...my version of this is much, much, much smaller. I'm uploading images to a pre-defined, static location. That part works great, no problems there. I'm then pulling them from that static location to display them.
I know that static path on disk where the images are located and I know the name ahead of time (looping through a ListItem in a ListView from EJB3 entities in a List).How is the id querystring param relevant? Can't I just pass the path + img_name.gif into the urlFor() and be done w/ it?
I'm probably just over-complicating this...On 5/5/06, Igor Vaynberg
[EMAIL PROTECTED] wrote:
this is already described in philip's wiki article under download image section
what you want is a stripped down version of the image resource:public class ImageResource extends DynamicWebResource{
// CONSTANTS public static final Log logger = LogFactory.getLog(ImageResource.class); private static final long serialVersionUID = 1L; // CONSTRUCTORS public ImageResource()
{ super(); } public ImageResource(Locale local) { super(local); } // METHODS // MEMBERS @Override protected ResourceState getResourceState()
{ ValueMap params = getParameters(); String imageId=params.get(id); byte[] data="" style="color: rgb(255, 0, 0);">loadImageData(id); Date lastModified=
getImageLastMod(id); ImageResourceState state = new ImageResourceState(Time.valueOf(lastModified)); state.setContentType(imageEntry.getContentType
()); state.setData(imageService.getImage(imageEntry)); return state; } class ImageResourceState extends ResourceState { // CONSTRUCTORS ImageResourceState(Time lastModified)
{ super(); this.lastModified = lastModified; } // MEMBERS private String contentType; @Override public String getContentType()
{ return contentType; } void setContentType(String contentType) { this.contentType = contentType; }private byte[] data;
@Override public byte[] getData() { return data; } void setData(byte[] data) { this.data = ""> }@Override
public int getLength() { return data.length; }private Time lastModified; @Override public Time lastModifiedTime() {
return lastModified; }
// METHODS }}then you register this as a shared resource and get a resource reference. then when you want to build a url for an image you do thisResourceReference imageResource=...
String url="">hope this clears it up some more.-Igorhope this clears it up some more.
On 5/5/06,
Vincent Jenks [EMAIL PROTECTED] wrote:
Hi Philip,Thanks so much for the sample code and wiki entry...it makes a lot of sense, however, it is a little bit of overkill for the app I built. You gave me a bazooka to take to a gun-fight!
Really, what it comes down to is; I need to turn the byte array I'm pulling out of the file system and turn it into an image. The upload I already had one of my devs build was working fine and I'm not sure (for now anyways) we need your full-on image service.
I'm googling around to see if I can figure out how to simply turn the byte array into an image I can display on a page...not something I'm familiar with. I couldn't gather from your example how this would be done, either.
Thanks for the help!On 5/2/06, Philip A. Chapman
[EMAIL PROTECTED] wrote:
How was it? Do I need to make any edits to make it easier to understand?
On Mon, 2006-05-01 at 11:28 -0600, Vincent Jenks wrote:
I'll read through this, thanks a ton!
On 5/1/06, Philip A. Chapman
[EMAIL PROTECTED] wrote:
Sorry for the delay, but I spent the time to create a wiki page so that hopefully others can benefit from what little I have to say on the subject:
http://www.wicket-wiki.org.uk/wiki/index.php/UploadDownload
On Mon, 2006-05-01 at 08:01 -0700, Igor Vaynberg wrote:
yes, thats it.
Re: [Wicket-user] Image upload
Once I do, is this something that should be added to Wicket? Using the uploader for what I'm doing, which I'd imagine would be fairly common, sort of sucks w/o the other half of itthe ability to call those images from non-web folders.
On 5/5/06, Igor Vaynberg [EMAIL PROTECTED] wrote:
so what you need is something that maps to some url and when invoked streams the image back to the user.i see two possible ways to do thisone:use a separate servlet to do this
two:use a wicket shared resource
in both approaches the code will be 90% identicalwhat you need is to somehow tell this servlet or wicket resource which file to stream, this is what you pass in as a parameterie:
www.server.com/myimageservlet?4this can tell the servlet that you want to stream c:\\app\\images\\img4.gifsame goes for the wicket resourceyou have a resource reference which builds the url that will hit the resource ( urlfor(resourcerefence) ), but you still need to tell it which image you want served
so the entire process once you registered a resource and obtained a reference to it goes like thisimg wicket:id=img/String url="" // base resource url
url="">WebMarkupContainer img=new WebMarkupContainer(img);img.add(new SimpleAttributeModifier(src, url);or encapsulate this whole thing into a reusable component so you can just do
add(new StoredImage(img, imagenum));-IgorOn 5/5/06,
Vincent Jenks [EMAIL PROTECTED]
wrote:Obviously not...or we wouldn't be having this conversation. It's a folder outside of the webroot.
I'd have a list of strings, basically, to the effect of:C:\\app\\images\\img1.gifC:\\app\\images\\img2.gif
C:\\app\\images\\img3.gif
C:\\app\\images\\img4.gifI may just start storing them as blobs in the DB...they won't change often so I can cache them. I'm running short on time and starting to bite my nails! :D
On 5/5/06, Igor Vaynberg
[EMAIL PROTECTED] wrote:
hmmis the static location accessible from the web?!?!?!?-Igor
On 5/5/06, Vincent Jenks [EMAIL PROTECTED]
wrote:I guess I'm still a little lost here. Why would I need to use a querystring to build the string? Do I? I'm thinking not.
I'm not generating thumbnails...my version of this is much, much, much smaller. I'm uploading images to a pre-defined, static location. That part works great, no problems there. I'm then pulling them from that static location to display them.
I know that static path on disk where the images are located and I know the name ahead of time (looping through a ListItem in a ListView from EJB3 entities in a List).How is the id querystring param relevant? Can't I just pass the path + img_name.gif into the urlFor() and be done w/ it?
I'm probably just over-complicating this...On 5/5/06, Igor Vaynberg
[EMAIL PROTECTED] wrote:
this is already described in philip's wiki article under download image section
what you want is a stripped down version of the image resource:public class ImageResource extends DynamicWebResource{
// CONSTANTS public static final Log logger = LogFactory.getLog(ImageResource.class); private static final long serialVersionUID = 1L; // CONSTRUCTORS public ImageResource()
{ super(); } public ImageResource(Locale local) { super(local); } // METHODS // MEMBERS @Override protected ResourceState getResourceState()
{ ValueMap params = getParameters(); String imageId=params.get(id); byte[] data="" style="color: rgb(255, 0, 0);">loadImageData(id); Date lastModified=
getImageLastMod(id); ImageResourceState state = new ImageResourceState(Time.valueOf(lastModified)); state.setContentType
(imageEntry.getContentType()); state.setData(imageService.getImage(imageEntry)); return state; } class ImageResourceState extends ResourceState { // CONSTRUCTORS
ImageResourceState(Time lastModified) { super(); this.lastModified = lastModified; } // MEMBERS private String contentType;
@Override public String getContentType() { return contentType; } void setContentType(String contentType) { this.contentType
= contentType; }private byte[] data;
@Override public byte[] getData() { return data; } void setData(byte[] data) { this.data = ""> }@Override
public int getLength() { return data.length; }private Time lastModified; @Override public Time lastModifiedTime() {
return lastModified; }
// METHODS }}then you register this as a shared resource and get a resource reference. then when you want to build a url for an image you do thisResourceReference imageResource=...
String url="">hope this clears it up some more.-Igorhope this clears it up some more.
On 5/5/0
Re: [Wicket-user] Image upload
Ahh...I got it workingand yeah it was far easier once you guys showed me how to actually call the image as a resource. I was getting the byte[] all along w/o a problem...it was the display that I wasn't familiar with.
I *really* stripped Philip's example down to the bare metal...but I can *now* see how a lot of that would be useful...so I may go back and do some refactoring now to take advantage of some of the ideas.Anyhow, it looks great and I really appreciate the help Philip Igor!
On 5/5/06, Vincent Jenks [EMAIL PROTECTED] wrote:
Once I do, is this something that should be added to Wicket? Using the uploader for what I'm doing, which I'd imagine would be fairly common, sort of sucks w/o the other half of itthe ability to call those images from non-web folders.
On 5/5/06, Igor Vaynberg
[EMAIL PROTECTED] wrote:
so what you need is something that maps to some url and when invoked streams the image back to the user.i see two possible ways to do thisone:use a separate servlet to do this
two:use a wicket shared resource
in both approaches the code will be 90% identicalwhat you need is to somehow tell this servlet or wicket resource which file to stream, this is what you pass in as a parameterie:
www.server.com/myimageservlet?4this can tell the servlet that you want to stream c:\\app\\images\\img4.gifsame goes for the wicket resourceyou have a resource reference which builds the url that will hit the resource ( urlfor(resourcerefence) ), but you still need to tell it which image you want served
so the entire process once you registered a resource and obtained a reference to it goes like thisimg wicket:id=img/String url="" // base resource url
url="">WebMarkupContainer img=new WebMarkupContainer(img);img.add(new SimpleAttributeModifier(src, url);or encapsulate this whole thing into a reusable component so you can just do
add(new StoredImage(img, imagenum));-IgorOn 5/5/06,
Vincent Jenks [EMAIL PROTECTED]
wrote:Obviously not...or we wouldn't be having this conversation. It's a folder outside of the webroot.
I'd have a list of strings, basically, to the effect of:C:\\app\\images\\img1.gifC:\\app\\images\\img2.gif
C:\\app\\images\\img3.gif
C:\\app\\images\\img4.gifI may just start storing them as blobs in the DB...they won't change often so I can cache them. I'm running short on time and starting to bite my nails! :D
On 5/5/06, Igor Vaynberg
[EMAIL PROTECTED] wrote:
hmmis the static location accessible from the web?!?!?!?-Igor
On 5/5/06, Vincent Jenks [EMAIL PROTECTED]
wrote:I guess I'm still a little lost here. Why would I need to use a querystring to build the string? Do I? I'm thinking not.
I'm not generating thumbnails...my version of this is much, much, much smaller. I'm uploading images to a pre-defined, static location. That part works great, no problems there. I'm then pulling them from that static location to display them.
I know that static path on disk where the images are located and I know the name ahead of time (looping through a ListItem in a ListView from EJB3 entities in a List).How is the id querystring param relevant? Can't I just pass the path + img_name.gif into the urlFor() and be done w/ it?
I'm probably just over-complicating this...On 5/5/06, Igor Vaynberg
[EMAIL PROTECTED] wrote:
this is already described in philip's wiki article under download image section
what you want is a stripped down version of the image resource:public class ImageResource extends DynamicWebResource{
// CONSTANTS public static final Log logger = LogFactory.getLog(ImageResource.class); private static final long serialVersionUID = 1L; // CONSTRUCTORS public ImageResource()
{ super(); } public ImageResource(Locale local) { super(local); } // METHODS // MEMBERS @Override protected ResourceState getResourceState()
{ ValueMap params = getParameters(); String imageId=params.get(id); byte[] data="" style="color: rgb(255, 0, 0);">loadImageData(id);
Date lastModified=getImageLastMod(id); ImageResourceState state = new ImageResourceState(Time.valueOf(lastModified));
state.setContentType(imageEntry.getContentType()); state.setData(imageService.getImage(imageEntry)); return state; } class ImageResourceState extends ResourceState
{ // CONSTRUCTORS
ImageResourceState(Time lastModified) { super(); this.lastModified = lastModified; } // MEMBERS private String contentType;
@Override public String getContentType() { return contentType; } void setContentType(String contentType) { this.contentType
= contentType; }private byte[] data;
@Override public byte[] getData() { return data; } void setData(byte[] data) { this.data = "&quo
Re: [Wicket-user] Image upload
Yeah, exactly, just a shortcut component to do this or like you said, a realy basic wiki example - which I'd be happy to contribute once I get this cleaned up a little?On 5/5/06,
Igor Vaynberg [EMAIL PROTECTED] wrote:
sure, it depends on how general you end up making it. i think we have sufficient infrastructure in wicket already, so maybe what is needed the most is a wiki example that is far less complicated then the one philip posted and a thin wrapper around our dynamic resource that streams a file from some folder.
let me know once you are done and we will see where we are-IgorOn 5/5/06,
Vincent Jenks
[EMAIL PROTECTED] wrote:Once I do, is this something that should be added to Wicket? Using the uploader for what I'm doing, which I'd imagine would be fairly common, sort of sucks w/o the other half of itthe ability to call those images from non-web folders.
On 5/5/06, Igor Vaynberg
[EMAIL PROTECTED] wrote:
so what you need is something that maps to some url and when invoked streams the image back to the user.i see two possible ways to do thisone:use a separate servlet to do this
two:use a wicket shared resource
in both approaches the code will be 90% identicalwhat you need is to somehow tell this servlet or wicket resource which file to stream, this is what you pass in as a parameterie:
www.server.com/myimageservlet?4this can tell the servlet that you want to stream c:\\app\\images\\img4.gifsame goes for the wicket resourceyou have a resource reference which builds the url that will hit the resource ( urlfor(resourcerefence) ), but you still need to tell it which image you want served
so the entire process once you registered a resource and obtained a reference to it goes like thisimg wicket:id=img/String url="" // base resource url
url="">WebMarkupContainer img=new WebMarkupContainer(img);img.add(new SimpleAttributeModifier(src, url);or encapsulate this whole thing into a reusable component so you can just do
add(new StoredImage(img, imagenum));-IgorOn 5/5/06,
Vincent Jenks [EMAIL PROTECTED]
wrote:Obviously not...or we wouldn't be having this conversation. It's a folder outside of the webroot.
I'd have a list of strings, basically, to the effect of:C:\\app\\images\\img1.gifC:\\app\\images\\img2.gif
C:\\app\\images\\img3.gif
C:\\app\\images\\img4.gifI may just start storing them as blobs in the DB...they won't change often so I can cache them. I'm running short on time and starting to bite my nails! :D
On 5/5/06, Igor Vaynberg
[EMAIL PROTECTED] wrote:
hmmis the static location accessible from the web?!?!?!?-Igor
On 5/5/06, Vincent Jenks [EMAIL PROTECTED]
wrote:I guess I'm still a little lost here. Why would I need to use a querystring to build the string? Do I? I'm thinking not.
I'm not generating thumbnails...my version of this is much, much, much smaller. I'm uploading images to a pre-defined, static location. That part works great, no problems there. I'm then pulling them from that static location to display them.
I know that static path on disk where the images are located and I know the name ahead of time (looping through a ListItem in a ListView from EJB3 entities in a List).How is the id querystring param relevant? Can't I just pass the path + img_name.gif into the urlFor() and be done w/ it?
I'm probably just over-complicating this...On 5/5/06, Igor Vaynberg
[EMAIL PROTECTED] wrote:
this is already described in philip's wiki article under download image section
what you want is a stripped down version of the image resource:public class ImageResource extends DynamicWebResource{
// CONSTANTS public static final Log logger = LogFactory.getLog(ImageResource.class); private static final long serialVersionUID = 1L; // CONSTRUCTORS public ImageResource()
{ super(); } public ImageResource(Locale local) { super(local); } // METHODS // MEMBERS @Override protected ResourceState getResourceState()
{ ValueMap params = getParameters(); String imageId=params.get(id); byte[] data="" style="color: rgb(255, 0, 0);">loadImageData(id);
Date lastModified=getImageLastMod(id); ImageResourceState state = new ImageResourceState(Time.valueOf(lastModified));
state.setContentType(imageEntry.getContentType()); state.setData(imageService.getImage(imageEntry)); return state; } class ImageResourceState extends ResourceState
{ // CONSTRUCTORS
ImageResourceState(Time lastModified) { super(); this.lastModified = lastModified; } // MEMBERS private String contentType;
@Override public String getContentType() { return contentType; } void setContentType(String contentType) {
this.contentType = contentType; }private byte[] data;
@Override public byte[] getData() {
Re: [Wicket-user] The other side of Wicket ...
I am just wondering how other frameworks handle this problem and why it seems more difficult in Wicket? Would Wicket fit in well as a Web presentation layer for an application using EJB3 (including JPA)? i believe Vincent is working with ejb3 so maybe he can tell you about his experience. i think it would be trivial to create an IFieldValueFactory that can inject ejb3 beans instead of spring beans. the contribution would be welcome. the code can look identical to the spring injection @EjbBean private UserService userService; -Igor I'm about 90% finished w/ a Wicket/EJB3 (JBoss) storefront solution for my company to start doing consumer web sales. In my personal opinion, Wicket + EJB3 is the holy grail of Java web development...and I'm not being dramatic. It would be hard to convince me to use another framework, going forward. The app was incredibly easy to build once I got past the few learning-curve hurdles w/ Wicket (with the help of the exceptional Wicket devs, of course ;). I'm now rapidly adding features, tweaking, and doing all of this while training a new developer who just joined the company and is not familiar w/ Java, Wicket, or even web apps development in general. My app only has one Stateful bean, the ShoppingCart, and I didn't use injection in the Wicket layer since everything I'm doing passes through a thin proxy layer...but it was trivial to make calls to the EJB, nonetheless. I keep the stub stored in a session class in Wicket which I did by simply inheriting the WebSession class. We looked at several other technologies and my first choice was JSF + JBoss Seam. It's nice...but doesn't hold a candle to Wicket IMHO. I also looked at Tapestry, Struts, WebWork, etc. - none of them had the simplicity and elegance that Wicket offers...and so far the performance exceeds my expectations. -v --- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnkkid0709bid3057dat1642 ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user
Re: [Wicket-user] The other side of Wicket ...
I don't hear great things about Struts! My experience w/ Java/J2EE/Java EE before wicket was Servlets+JSP+Hibernate (and JDBC), and I've only been doing Java for about a year. I had made a living off of Microsoft technologies for years prior to that, specifically C# and the .NET framework. I guess you could say I had a far worse infection than even a reformed Struts user would have had :D Seriously though, I looked at Struts and tried to walk through a few tutorials. If I can't grasp the framework, even at a very basic, high-level after doing a couple tutorials...it's probably too complex. Just glancing over the Wicket examples was enough for me to know it was something worth pursuing. On 5/4/06, Johan Compagner [EMAIL PROTECTED] wrote: and doing all of this while training a new developer who just joined the company and is not familiar w/ Java, Wicket, or even web apps development in general. lucky you!!! because they are not completely infected by the mvc (struts) way of working! Because that would be much worse :) johan --- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnkkid0709bid3057dat1642 ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user
Re: [Wicket-user] The other side of Wicket ...
Oh yeah, just jokes, .NET is a pretty great technology...though it still requires far more work than the EJB3+Wicket combo. MS's tools are great, they have a snazzy IDE...but I still prefer Eclipse...perhaps because of its open nature and breadth of industry support both pro amateur. The tools are also the problemyou can't rely on much else outside of MS's visual studio tools to do the job. I personally hate WYSIWYG environments and writing asp.net pages, controls, etc. w/o the editor can be quite tedious. JSF's similarity to ASP.NET is one reason I didn't want to use it...not to mention all of the strange issues I had heard of w/ JSF 1.1. .NET has it's place...but now that EJB3 is a finalized spec...I doubt it can keep up w/ Java EE 5 and beyond in a one-on-one comparison. On 5/4/06, Eelco Hillenius [EMAIL PROTECTED] wrote: On 5/4/06, Vincent Jenks [EMAIL PROTECTED] wrote: I don't hear great things about Struts! My experience w/ Java/J2EE/Java EE before wicket was Servlets+JSP+Hibernate (and JDBC), and I've only been doing Java for about a year. I had made a living off of Microsoft technologies for years prior to that, specifically C# and the .NET framework. Actually, .NET isn't that bad. Way better than Struts or any other model 2 framework imo. It's component oriented, and personally I think they even did that in a better way (because simpler) than JSF. JSF and .NET or very close cousins. Not something I would like to do without IDEs that support it though, and I've seen people doing .NET with word pad because VS crashed on their files. Eelco --- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmdlnkkid0709bid3057dat1642 ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user --- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnkkid0709bid3057dat1642 ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user
Re: [Wicket-user] Image upload
I honestly haven't had the opportunity to integrate it into my app yet. I'm going to have to pick it apart a bit to conform to my shopping cart.I'll probably rip into it today sometime and I'll post my progress. I really appreciate the hand, thanks!On 5/2/06, Philip A. Chapman [EMAIL PROTECTED] wrote: How was it? Do I need to make any edits to make it easier to understand? On Mon, 2006-05-01 at 11:28 -0600, Vincent Jenks wrote: I'll read through this, thanks a ton! On 5/1/06, Philip A. Chapman [EMAIL PROTECTED] wrote: Sorry for the delay, but I spent the time to create a wiki page so that hopefully others can benefit from what little I have to say on the subject: http://www.wicket-wiki.org.uk/wiki/index.php/UploadDownload On Mon, 2006-05-01 at 08:01 -0700, Igor Vaynberg wrote: yes, thats it. basically you would create a that resource that takes the filename/fileid/whatever off the url and streams the file. there is an example of this, i will ask one of my friends to post it here. stay tuned. -Igor On 5/1/06, Vincent Jenks [EMAIL PROTECTED] wrote: Did you mean to say DynamicWebResource? On 4/21/06, Johan Compagner [EMAIL PROTECTED] wrote: you could save those images to a DB or to a working dir on the server. Then have a DynamicByteArrayResource or the 1.2 one: WebDynamicResource to load the image from the location you stored the image. johan On 4/21/06, Steve Knight [EMAIL PROTECTED] wrote: I am creating a form that will allow users to upload image files that will be displayed on other pages.How should I go about uploading the images so that they can be used in Wicket Image components on the other pages?The upload part is not problem, I just don't know where I should put them. On my view pages, I am using ThumbnailImageResource which takes a WebResource in it's contructor to find the image.Where should I save the images to make this work? Thanks. Steve --- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmdlnkkid0709bid3057dat1642 ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user -- Philip A. ChapmanDesktop and Web Application Development:Java, .NET, PostgreSQL, MySQL, MSSQLLinux, Windows 2000, Windows XP -BEGIN PGP SIGNATURE- Version: GnuPG v1.4.1 (GNU/Linux) iD8DBQBEVjqCAdpynRSGw3URAiqOAKCDsSpRHf8WQ8EGaneJoAGS4WD5bwCfaYED Kb0kHbQYO8P7wOBWUVGWw7I= =x7ml -END PGP SIGNATURE- -- Philip A. ChapmanDesktop and Web Application Development:Java, .NET, PostgreSQL, MySQL, MSSQLLinux, Windows 2000, Windows XP -BEGIN PGP SIGNATURE-Version: GnuPG v1.4.1 (GNU/Linux)iD8DBQBEV4M6AdpynRSGw3URAhkvAJ4tHqn2wYOd9LuuD43MWsGhnGGgxACffIoBEKdVHMEHbsM6PC+E9nkwcFw==GFH9-END PGP SIGNATURE-
Re: [Wicket-user] Wicket book
Yes, the developers are *insanely* helpful and patient. ;) Without this list I'm not sure I would have been able to use Wicket for long, to be perfectly honest. On 5/1/06, Timo Stamm [EMAIL PROTECTED] wrote: Rivka Shisman schrieb: A good book with examples and recipes is quite necessary :-) Try the Wiki! http://www.wicket-wiki.org.uk There is nice guide for beginners that should get you started: http://www.wicket-wiki.org.uk/wiki/index.php/Newuserguide Then there is the reference library with information and howtos on a lot of topics: http://www.wicket-wiki.org.uk/wiki/index.php/Reference_library Timo --- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnkkid=120709bid=263057dat=121642 ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user --- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnkkid0709bid3057dat1642 ___ Wicket-user mailing list Wicket-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wicket-user
