Error SpingComponentInjector

[Christoph.Manig]

Hello,

when I add this to my WicketApllication in method init():
  getComponentInstantiationListeners().add(new SpringComponentInjector(this));

I got this Error in my browser. Can you help me please?

HTTP ERROR 503

Problem accessing /smwconsole/. Reason:

java.lang.reflect.UndeclaredThrowableException

Caused by:

org.eclipse.jetty.servlet.ServletHolder$1: 
java.lang.reflect.UndeclaredThrowableException
at 
org.eclipse.jetty.servlet.ServletHolder.makeUnavailable(ServletHolder.java:445)
at 
org.eclipse.jetty.servlet.ServletHolder.initServlet(ServletHolder.java:498)
at 
org.eclipse.jetty.servlet.ServletHolder.doStart(ServletHolder.java:293)
at 
org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:64)
at 
org.eclipse.jetty.servlet.ServletHandler.initialize(ServletHandler.java:739)
at 
org.eclipse.jetty.servlet.ServletHandler.updateMappings(ServletHandler.java:1189)
at 
org.eclipse.jetty.servlet.ServletHandler.setServletMappings(ServletHandler.java:1248)
at 
org.eclipse.jetty.servlet.ServletHandler.addServletMapping(ServletHandler.java:847)
at 
org.ops4j.pax.web.service.jetty.internal.JettyServerImpl$2.call(JettyServerImpl.java:195)
at 
org.ops4j.pax.web.service.jetty.internal.JettyServerImpl$2.call(JettyServerImpl.java:191)
at 
org.ops4j.pax.swissbox.core.ContextClassLoaderUtils.doWithClassLoader(ContextClassLoaderUtils.java:60)
at 
org.ops4j.pax.web.service.jetty.internal.JettyServerImpl.addServlet(JettyServerImpl.java:190)
at 
org.ops4j.pax.web.service.jetty.internal.ServerControllerImpl$Started.addServlet(ServerControllerImpl.java:275)
at 
org.ops4j.pax.web.service.jetty.internal.ServerControllerImpl.addServlet(ServerControllerImpl.java:110)
at 
org.ops4j.pax.web.service.internal.HttpServiceStarted.registerServlet(HttpServiceStarted.java:137)
at 
org.ops4j.pax.web.service.internal.HttpServiceProxy.registerServlet(HttpServiceProxy.java:56)
at 
org.ops4j.pax.wicket.internal.ServletDescriptor.register(ServletDescriptor.java:73)
at 
org.ops4j.pax.wicket.internal.HttpTracker.registerServletDescriptor(HttpTracker.java:94)
at 
org.ops4j.pax.wicket.internal.HttpTracker.addServlet(HttpTracker.java:122)
at 
org.ops4j.pax.wicket.internal.PaxWicketAppFactoryTracker.addServlet(PaxWicketAppFactoryTracker.java:103)
at 
org.ops4j.pax.wicket.internal.PaxWicketAppFactoryTracker.addApplication(PaxWicketAppFactoryTracker.java:80)
at 
org.ops4j.pax.wicket.internal.PaxWicketAppFactoryTracker.addingService(PaxWicketAppFactoryTracker.java:57)
at 
org.ops4j.pax.wicket.internal.PaxWicketAppFactoryTracker.addingService(PaxWicketAppFactoryTracker.java:39)
at 
org.ops4j.pax.wicket.internal.util.BundleTrackerAggregator.addingService(BundleTrackerAggregator.java:56)
at 
org.osgi.util.tracker.ServiceTracker$Tracked.customizerAdding(ServiceTracker.java:932)
at 
org.osgi.util.tracker.ServiceTracker$Tracked.customizerAdding(ServiceTracker.java:864)
at 
org.osgi.util.tracker.AbstractTracked.trackAdding(AbstractTracked.java:256)
at org.osgi.util.tracker.AbstractTracked.track(AbstractTracked.java:229)
at 
org.osgi.util.tracker.ServiceTracker$Tracked.serviceChanged(ServiceTracker.java:894)
at 
org.apache.felix.framework.util.EventDispatcher.invokeServiceListenerCallback(EventDispatcher.java:934)
at 
org.apache.felix.framework.util.EventDispatcher.fireEventImmediately(EventDispatcher.java:795)
at 
org.apache.felix.framework.util.EventDispatcher.fireServiceEvent(EventDispatcher.java:544)
at org.apache.felix.framework.Felix.fireServiceEvent(Felix.java:4495)
at org.apache.felix.framework.Felix.registerService(Felix.java:3503)
at 
org.apache.felix.framework.BundleContextImpl.registerService(BundleContextImpl.java:346)
at 
org.springframework.osgi.service.exporter.support.OsgiServiceFactoryBean.registerService(OsgiServiceFactoryBean.java:310)
at 
org.springframework.osgi.service.exporter.support.OsgiServiceFactoryBean.registerService(OsgiServiceFactoryBean.java:279)
at 
org.springframework.osgi.service.exporter.support.OsgiServiceFactoryBean$Executor.registerService(OsgiServiceFactoryBean.java:95)
at 
org.springframework.osgi.service.exporter.support.internal.controller.ExporterController.registerService(ExporterController.java:40)
at 
org.springframework.osgi.service.dependency.internal.DefaultMandatoryDependencyManager.startExporter(DefaultMandatoryDependencyManager.java:320)
at 
org.springframework.osgi.service.dependency.internal.DefaultMandatoryDependencyManager.checkIfExporterShouldStart(DefaultMandatoryDependencyManager.java:261)
at 
org.springframework.osgi.service.dependency.internal.DefaultMandatoryDependencyManager.discoverDependentImporterFor(DefaultMandatoryDependencyManage

Performance replace panel with AjaxLink.

[Raul]

Hi, I have a problem to replace a panel with Ajax, I use a AjaxLink to
replace a panel on the other, as follows.

Component current = this.getParent();
current.replaceWith (editorPanel);
target.add (editorPanel);

The problem I have it because it makes a call undue page builder. Thing I do
not want to happen, first because it fails to receive the parameter that was
receiving that page and second because even if it worked,  would unduly
penalize performance.

Does anyone know why this call is made?

A greeting and thanks advanced.



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Re: Performance replace panel with AjaxLink.

[Martin Grigorov]

Hi,

On Thu, May 2, 2013 at 12:45 PM, Raul  wrote:

> Hi, I have a problem to replace a panel with Ajax, I use a AjaxLink to
> replace a panel on the other, as follows.
>
> Component current = this.getParent();
> current.replaceWith (editorPanel);
> target.add (editorPanel);
>
> The problem I have it because it makes a call undue page builder. Thing I
> do
>

I don't understand what you meant above.
Please give more details.


> not want to happen, first because it fails to receive the parameter that
> was
> receiving that page and second because even if it worked,  would unduly
> penalize performance.
>
> Does anyone know why this call is made?
>
> A greeting and thanks advanced.
>
>
>
> --
> View this message in context:
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>
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Wicket Training & Consulting
http://jWeekend.com 

Re: Wicket-Bootstrap error when deploying to JBoss AS 7

[David Beer]

Hi Martin

Thanks for your reply, works a treat add the dependency and the code on 
the wiki page in the init section of WicketApplication class before 
bootstrap initialization and all is good.


Thanks

David
On 01/05/13 23:21, Martin Grigorov wrote:

https://code.google.com/p/reflections/wiki/JBossIntegration


On Wed, May 1, 2013 at 9:24 PM, David Beer  wrote:


Hi All

I have a web project which uses Wicket-Bootstrap for styling and various
other functions. Everything appears to run fine in Tomcat, but I am
starting to add more Java EE stuff and looking at using JBoss As 7. I can
deploy a normal wicket Quickstart with out errors but when I try and deploy
a project with Bootstrap added I get the following error:

20:16:04,296 INFO  [org.jboss.as.server.**deployment] (MSC service thread
1-4) JBAS015876: Starting deployment of "Wicket-Bootstrap-DataTable-1.**
0-SNAPSHOT.war"
20:16:06,002 INFO  [org.apache.wicket.util.file.**WebXmlFile] (MSC
service thread 1-3) web.xml: url mapping found for filter with name
wicket.Wicket-Bootstrap-**DataTable: [/*]
20:16:06,185 INFO  [org.apache.wicket.**Application] (MSC service thread
1-3) [wicket.Wicket-Bootstrap-**DataTable] init: Wicket core library
initializer
20:16:06,193 INFO  [org.apache.wicket.**RequestListenerInterface] (MSC
service thread 1-3) registered listener interface [RequestListenerInterface
name=IBehaviorListener, method=public abstract void
org.apache.wicket.behavior.**IBehaviorListener.onRequest()]
20:16:06,195 INFO  [org.apache.wicket.**RequestListenerInterface] (MSC
service thread 1-3) registered listener interface [RequestListenerInterface
name=IFormSubmitListener, method=public abstract void
org.apache.wicket.markup.html.**form.IFormSubmitListener.**
onFormSubmitted()]
20:16:06,198 INFO  [org.apache.wicket.**RequestListenerInterface] (MSC
service thread 1-3) registered listener interface [RequestListenerInterface
name=ILinkListener, method=public abstract void
org.apache.wicket.markup.html.**link.ILinkListener.**onLinkClicked()]
20:16:06,201 INFO  [org.apache.wicket.**RequestListenerInterface] (MSC
service thread 1-3) registered listener interface [RequestListenerInterface
name=IOnChangeListener, method=public abstract void
org.apache.wicket.markup.html.**form.IOnChangeListener.**
onSelectionChanged()]
20:16:06,213 INFO  [org.apache.wicket.**RequestListenerInterface] (MSC
service thread 1-3) registered listener interface [RequestListenerInterface
name=IRedirectListener, method=public abstract void org.apache.wicket.**
IRedirectListener.onRedirect()**]
20:16:06,215 INFO  [org.apache.wicket.**RequestListenerInterface] (MSC
service thread 1-3) registered listener interface [RequestListenerInterface
name=IResourceListener, method=public abstract void org.apache.wicket.**
IResourceListener.**onResourceRequested()]
20:16:06,216 INFO  [org.apache.wicket.**Application] (MSC service thread
1-3) [wicket.Wicket-Bootstrap-**DataTable] init: Wicket extensions
initializer
20:16:06,379 ERROR [org.reflections.Reflections] (MSC service thread 1-3)
could not create Vfs.Dir from url. ignoring the exception and continuing:
org.reflections.**ReflectionsException: could not create Vfs.Dir from
url, no matching UrlType was found [vfs:/content/Wicket-**
Bootstrap-DataTable-1.0-**SNAPSHOT.war/WEB-INF/lib/**jquery-1.9.0.jar/]
either use fromURL(final URL url, final List urlTypes) or use the
static setDefaultURLTypes(final List urlTypes) or
addDefaultURLTypes(UrlType urlType) with your specialized UrlType.
 at org.reflections.vfs.Vfs.**fromURL(Vfs.java:108)
[reflections-0.9.8.jar:]
 at org.reflections.vfs.Vfs.**fromURL(Vfs.java:90)
[reflections-0.9.8.jar:]
 at org.reflections.Reflections.**scan(Reflections.java:165)
[reflections-0.9.8.jar:]
 at org.reflections.Reflections.<**init>(Reflections.java:94)
[reflections-0.9.8.jar:]
 at de.agilecoders.wicket.webjars.**util.RecentVersionCallable.**
collectRecentVersionFor(**RecentVersionCallable.java:72)
[wicket-webjars-0.2.0.jar:]
 at de.agilecoders.wicket.webjars.**util.RecentVersionCallable.**
call(RecentVersionCallable.**java:62) [wicket-webjars-0.2.0.jar:]
 at de.agilecoders.wicket.webjars.**util.RecentVersionCallable.**
call(RecentVersionCallable.**java:25) [wicket-webjars-0.2.0.jar:]
 at java.util.concurrent.**FutureTask$Sync.innerRun(**FutureTask.java:334)
[rt.jar:1.7.0_21]
 at java.util.concurrent.**FutureTask.run(FutureTask.**java:166)
[rt.jar:1.7.0_21]
 at de.agilecoders.wicket.webjars.**util.WebjarsVersion.**
recentVersion(WebjarsVersion.**java:50) [wicket-webjars-0.2.0.jar:]
 at 
de.agilecoders.wicket.webjars.**util.WebjarsVersion.useRecent(**WebjarsVersion.java:32)
[wicket-webjars-0.2.0.jar:]
 at de.agilecoders.wicket.webjars.**request.resource.**
WebjarsJavaScriptResourceRefer**ence.(**
WebjarsJavaScriptResourceRefer**ence.java:28) [wicket-webjars-0.2.0.jar:]
 at de.agilecoders.wicket.markup.**html.references.**
BootstrapJavaScriptReference.<**init>(**BootstrapJa

Re: Performance replace panel with AjaxLink.

[Raul]

Let's see, I have a page that receives a parameter, and since I do a query
parameter to the database to load a panel, within that panel there is
another panel with a AjaxLink, that when you click I want to be replaced by
another panel, everything works fine, ie the panel is replaced, but in my
traces get a NullPointerException, ie when you update with Ajax, the
AjaxRequestTarget, makes a call to the constructor of the page. received
additional setting that always puts me is "lib", regardless of the initially
received. The problem is that it makes a call to the constructor of the page
internally, I do not want it done. My question is why do it? and if you can
avoid it to.



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Re: Performance replace panel with AjaxLink.

[Martin Grigorov]

On Thu, May 2, 2013 at 2:12 PM, Raul  wrote:

> Let's see, I have a page that receives a parameter, and since I do a query
> parameter to the database to load a panel, within that panel there is
> another panel with a AjaxLink, that when you click I want to be replaced by
> another panel, everything works fine, ie the panel is replaced, but in my
> traces get a NullPointerException, ie when you update with Ajax, the
> AjaxRequestTarget, makes a call to the constructor of the page. received
> additional setting that always puts me is "lib", regardless of the
> initially
> received. The problem is that it makes a call to the constructor of the
> page
> internally, I do not want it done. My question is why do it? and if you can
> avoid it to.
>


Put a breakpoint and see who calls it. Unless you add the page itself in
the ajax request target the page should not be repainted. But even in this
case its constructor should not be called.


>
>
>
> --
> View this message in context:
> http://apache-wicket.1842946.n4.nabble.com/Performance-replace-panel-with-AjaxLink-tp4658473p4658481.html
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>
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-- 
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Wicket Training & Consulting
http://jWeekend.com 

Re: Performance replace panel with AjaxLink.

[Raul]

Indeed the page is not repainted, but its constructor is called, How to put a
breakpoint?.



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Re: Performance replace panel with AjaxLink.

[Martin Grigorov]

On Thu, May 2, 2013 at 3:47 PM, Raul  wrote:

> Indeed the page is not repainted, but its constructor is called, How to
> put a
> breakpoint?.
>
> From Google: http://www.vogella.com/articles/EclipseDebugging/article.html


>
>
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Wicket Training & Consulting
http://jWeekend.com 

Re: even issue switching from development to deployment mode

[saty]

Thanks, i will give it a try and update.



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Combining multiple wicket application in single user interface

[saty]

We have few wicket application used by same user set so I am contemplating to
combine them in one single interface from users point of view but they
should run as separate independent applications running at separate URLs as
they do today.
Please lets me know if there is a way to achieve this with plain wicket or
outside wicket, what is the best approach to work in this direction.

I would like to make it kind of a tabbed application (similar to wicket
tabs) but each tab would represent wicket application running at some
separate URL.




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Re: Combining multiple wicket application in single user interface

[Martin Grigorov]

Hi,

Simple solution is to use iframe for the content. Clicking on a "tab" will
change iframe's src value.
A complex solution is to use Portlets. See
https://issues.apache.org/jira/browse/WICKET-4019 for integration and
issues with it.

In both cases prepare to face some problems you haven't had before.


On Thu, May 2, 2013 at 4:03 PM, saty  wrote:

> We have few wicket application used by same user set so I am contemplating
> to
> combine them in one single interface from users point of view but they
> should run as separate independent applications running at separate URLs as
> they do today.
> Please lets me know if there is a way to achieve this with plain wicket or
> outside wicket, what is the best approach to work in this direction.
>
> I would like to make it kind of a tabbed application (similar to wicket
> tabs) but each tab would represent wicket application running at some
> separate URL.
>
>
>
>
> --
> View this message in context:
> http://apache-wicket.1842946.n4.nabble.com/Combining-multiple-wicket-application-in-single-user-interface-tp4658487.html
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>
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Re: Wicket stack on a netbook

[Rafael Barrera Oro]

Thanks for all the answers!

My current laptop is pretty heavy so i'm fixed on the idea of having the
lightest and smallest workstation possible despite the potential problems
of programming using such little resolution (i will maintain my anvil
laptop as a home workstation and use the light netbook to carry around
ocassionally, this is also why i don't intend to spend much on it).

Anyway, i am very happy to find out that eclipse, tomcat and mysql can
indeed be used with the hardware i had in mind.

Thanks again, take care!
Rafael


2013/4/30 Jorge Gallardo 

> I developed a quite large app in wicket using a nice samsung nc10. I had to
> upgrade when I changed the db from mysql to cassandra.
>
>
> On Fri, Apr 26, 2013 at 2:30 AM, Sven Meier  wrote:
>
> > I did my Wicket development on a netbook a few years ago and it worked
> > fine.
> > Running Eclipse on XGA display resolution was a PITA though :(.
> >
> > Sven
> >
> >
> > On 04/25/2013 09:17 PM, Rafael Barrera Oro wrote:
> >
> >> Hello everyone!
> >>
> >> I was wandering if anyone was successful in developing wicket apps from
> a
> >> netbook (atom processor, one or two gigs of ram, etc...)
> >>
> >> For wicket stack i mean mysql and eclipse (the latter with an inner
> tomcat
> >> instance)
> >>
> >> Thanks in advance!
> >> Rafael
> >>
> >>
> >
> > --**--**-
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> users-unsubscr...@wicket.apache.org>
> > For additional commands, e-mail: users-h...@wicket.apache.org
> >
> >
>
>
> --
> Jorge Gallardo
> 
> jorgeagalla...@gmail.com
>

Re: Saving checked choices from CheckGroup

[Merlijn]

Well, the first problem is solved :)

I just want to be able to check a number of checkboxes and use the list of
values that correspond with the values of the Checks in another panel. I
currently have the following but does not seem to work. I also do not want
to use AjaxFormChoiceUpdatingBehaviour as it otherwise does a post whenever
someone checks or unchecks an item. 

public QuickSearchFilterPanel(String id) {
super(id);
form = new Form("filterform");
types = resultItemHandlerPool.getTypes();

checkGroup = new CheckGroup>("checkGroup", new
ArrayList>());


ListView typesListview = new ListView>("typesList",
resultItemHandlerPool.getTypes()) {
@Override
protected void populateItem(final ListItem> item) {
Check c = new Check>("check", item.getModel());
item.add(c);
item.add(new Label("className",
item.getModelObject().getSimpleName()));
}
};
typesListview.setReuseItems(true);

checkGroup.add(typesListview);

form.add(checkGroup);
add(form);
}

public List> getSearchableTypes() {
  return types;
}



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May Ajax handlers in Wicket 6 slow down rendering?

[Martin Dietze]

Since Wicket 6 introduced jQuery as backend for Ajax, there are
now rather many jquery-libraries included and there are rather
long blocks of Javascript code executed at "domready". 

One of our HTML designers now expressed his concern that on
rather complex pages like ours this approach may slow down
rendering pages on slow machines (our project is used by people
from their workplaces where they - by company policy - have to
use old IE browsers on often not exactly fast machines).

Since I am not at all an expert in this field, I'm passing on
this concern here, maybe any of the gurus around here can
comment on this? One of the possible measures our HTMLer
mentioned was bundling multiple Javascript-includes to a single
one, is this something that can be done for the Javascript
library includes added by Wicket?

Cheers,

M'bert

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Re: May Ajax handlers in Wicket 6 slow down rendering?

[Martin Grigorov]

Hi,


On Thu, May 2, 2013 at 4:30 PM, Martin Dietze  wrote:

> Since Wicket 6 introduced jQuery as backend for Ajax, there are
> now rather many jquery-libraries included and there are rather
>

Many JQuery libraries included ?
What do you mean with this ?
Wicket contirbutes jquery.js, wicket-ajax-jquery.js and
wicket-event-jquery.js. In Wicket 1.5 they were the latter two.


> long blocks of Javascript code executed at "domready".
>

This depends on how many Ajax components/behaviors you have in your page
and how many OnDomReadyHeaderItems are contributed.

If you use JavaScript event delegation with Wicket Ajax Behavior that
broadcasts events then you can decrease this dramatically.


>
> One of our HTML designers now expressed his concern that on
> rather complex pages like ours this approach may slow down
> rendering pages on slow machines (our project is used by people
> from their workplaces where they - by company policy - have to
> use old IE browsers on often not exactly fast machines).
>
> Since I am not at all an expert in this field, I'm passing on
> this concern here, maybe any of the gurus around here can
> comment on this? One of the possible measures our HTMLer
> mentioned was bundling multiple Javascript-includes to a single
> one, is this something that can be done for the Javascript
> library includes added by Wicket?
>

Check http://wicketinaction.com/2012/07/wicket-6-resource-management/ -
bundles.


>
> Cheers,
>
> M'bert
>
> --
> --- / http://herbert.the-little-red-haired-girl.org /
> -
> =+=
> It was hard to code, so it should be hard to understand!
>
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>


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Wasp-Swarm documentation

[saty]

Can not find any documentation around this, can someone please point to some
useful link.

I need to disable few links, buttons, radio buttons based on user roles,
have not found any suitable material that can help. The goal is to create a
read only access to application.

The code we have works file at panel lavel hive configuration using
{ComponentPermission} render or 'render enable', i dont have any idea how to
configure these for individual controls at a given panel.

Any help would be appreciated.

Thanks



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Re: Combining multiple wicket application in single user interface

[saty]

Thanks martin, i will explore these options.



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[wicket 6] How to get InputStream from ResourceReference ?

[smallufo]

In wicket 1.4
I can get InputStream from a ResourceReference :

ResourceReference resRef = new ResourceReference(Page.class , "xxx.png");
InputStream is = resRef.getResource().getResourceStream().getInputStream();

But it seems invalid in wicket 6

I need to build a DynamicImageResource , which returns byte[] in
getImageData()
ResourceReference resRef = new PackageResourceReference(Page.class ,
"xxx.png");
(in fact , the true resRef depends on the attributes parameter)

but I am stuck here.
I find no way to get InputStream of resRef , so I cannot transform
InputStream to byte[].

Any solutions ?

Thanks !

Re: [wicket 6] How to get InputStream from ResourceReference ?

[Martin Grigorov]

Hi,

Use org.apache.wicket.core.util.resource.PackageResourceStream directly
instead of using ResourceReference


On Thu, May 2, 2013 at 5:50 PM, smallufo  wrote:

> In wicket 1.4
> I can get InputStream from a ResourceReference :
>
> ResourceReference resRef = new ResourceReference(Page.class , "xxx.png");
> InputStream is = resRef.getResource().getResourceStream().getInputStream();
>
> But it seems invalid in wicket 6
>
> I need to build a DynamicImageResource , which returns byte[] in
> getImageData()
> ResourceReference resRef = new PackageResourceReference(Page.class ,
> "xxx.png");
> (in fact , the true resRef depends on the attributes parameter)
>
> but I am stuck here.
> I find no way to get InputStream of resRef , so I cannot transform
> InputStream to byte[].
>
> Any solutions ?
>
> Thanks !
>



-- 
Martin Grigorov
Wicket Training & Consulting
http://jWeekend.com 

Re: [wicket 6] How to get InputStream from ResourceReference ?

[smallufo]

2013/5/2 Martin Grigorov 

> PackageResourceStream


Wow , thanks for your rapid response !

Testing AjaxFallbackDefaultDataTable with WicketTester

[Rebhan, Torben]

Hello everyone,

 

I have a simple form and an AjaxFallbackDefaultDataTable (like a search form 
and a corresponding result table). When the form is submitted the page 
refreshes and the table is getting updated successfully. It works in the 
browser but I am not able to test the table with WickedTester 
(tester.debugComponentTrees() shows "[No Records Found]", but I was able to 
debug the wicket code and the data was added to the table as expected).

 

Greetings

 

Torben Rebhan

 

PRINOVIS

 

Torben Rebhan
APPLICATION DEVELOPMENT

 

Fon +49 40 570130-9266
Fax +49 40 570130-9666
torben.reb...@prinovis.com

 

Prinovis Ltd. & Co. KG · Gasstraße 18 · 22761 Hamburg
Handelsregistereintrag: HRA 101760 · Amtsgericht Hamburg · Sitz Hamburg
Umsatzsteuer-Identifikationsnummer: DE 81 44 46 223
Komplementärin: Prinovis Ltd. · Company Register Nr. 05318602 · Sitz London

Chief Executive Officer: Dr. Bertram Stausberg
Board of Directors (Ltd.): Dr. Thomas Rabe (Chairman), Dr. Immanuel Hermreck,

Dr. Bertram Stausberg, Dr. Andreas Wiele

 

www.prinovis.com

 

Re: May Ajax handlers in Wicket 6 slow down rendering?

[Martin Dietze]

Than you for your help!

On Thu, May 02, 2013, Martin Grigorov wrote:

> > long blocks of Javascript code executed at "domready".
> >
> 
> This depends on how many Ajax components/behaviors you have in your page
> and how many OnDomReadyHeaderItems are contributed.
> 
> If you use JavaScript event delegation with Wicket Ajax Behavior that
> broadcasts events then you can decrease this dramatically.

That sounds interesting, but - forgive me my ignorance - this is
the first time I hear about this kind of thing. Can you hint me
at some example?

Cheers,

M'bert

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=+= 
Katz' Law: Man and nations will act rationally when all other 
   possibilities have been exhausted. 

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Re: May Ajax handlers in Wicket 6 slow down rendering?

[Dan Retzlaff]

Martin-G elaborated a bit on this last year:
http://mail-archives.apache.org/mod_mbox/wicket-users/201209.mbox/%3ccamomwmqdf3ytlstb_kbnvn9t1pump_-+npdtmtvyt+ac6ec...@mail.gmail.com%3E

I think the gist is that you can avoid attaching listeners to each child
with a single listener on the parent with enough smarts to figure out which
child generated the event.


On Thu, May 2, 2013 at 3:25 PM, Martin Dietze  wrote:

> Than you for your help!
>
> On Thu, May 02, 2013, Martin Grigorov wrote:
>
> > > long blocks of Javascript code executed at "domready".
> > >
> >
> > This depends on how many Ajax components/behaviors you have in your page
> > and how many OnDomReadyHeaderItems are contributed.
> >
> > If you use JavaScript event delegation with Wicket Ajax Behavior that
> > broadcasts events then you can decrease this dramatically.
>
> That sounds interesting, but - forgive me my ignorance - this is
> the first time I hear about this kind of thing. Can you hint me
> at some example?
>
> Cheers,
>
> M'bert
>
> --
> --- / http://herbert.the-little-red-haired-girl.org /
> -
> =+=
> Katz' Law: Man and nations will act rationally when all other
>possibilities have been exhausted.
>
> -
> To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org
> For additional commands, e-mail: users-h...@wicket.apache.org
>
>

Re: May Ajax handlers in Wicket 6 slow down rendering?

[Nick Pratt]

Any demos of this with Wicket form components or simple click listeners ?

I'd much rather a repeater have a single listener for grouped events (or
maybe at the column level for tables)

N
On May 2, 2013 6:10 PM, "Dan Retzlaff"  wrote:

> Martin-G elaborated a bit on this last year:
>
> http://mail-archives.apache.org/mod_mbox/wicket-users/201209.mbox/%3ccamomwmqdf3ytlstb_kbnvn9t1pump_-+npdtmtvyt+ac6ec...@mail.gmail.com%3E
>
> I think the gist is that you can avoid attaching listeners to each child
> with a single listener on the parent with enough smarts to figure out which
> child generated the event.
>
>
> On Thu, May 2, 2013 at 3:25 PM, Martin Dietze  wrote:
>
> > Than you for your help!
> >
> > On Thu, May 02, 2013, Martin Grigorov wrote:
> >
> > > > long blocks of Javascript code executed at "domready".
> > > >
> > >
> > > This depends on how many Ajax components/behaviors you have in your
> page
> > > and how many OnDomReadyHeaderItems are contributed.
> > >
> > > If you use JavaScript event delegation with Wicket Ajax Behavior that
> > > broadcasts events then you can decrease this dramatically.
> >
> > That sounds interesting, but - forgive me my ignorance - this is
> > the first time I hear about this kind of thing. Can you hint me
> > at some example?
> >
> > Cheers,
> >
> > M'bert
> >
> > --
> > --- / http://herbert.the-little-red-haired-girl.org /
> > -
> > =+=
> > Katz' Law: Man and nations will act rationally when all other
> >possibilities have been exhausted.
> >
> > -
> > To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org
> > For additional commands, e-mail: users-h...@wicket.apache.org
> >
> >
>

Atmosphere NPE

[Noven]

Hi all,

I have issue with atmosphere, below is the log:

2013-05-01 19:11:32.880602500 INFO  - AtmosphereBehavior         - Resuming the 
streaming response from ip 127.0.0.101:41704
2013-05-01 19:11:32.880714500 INFO  - AtmosphereBehavior         - streaming 
connection dropped from ip 127.0.0.101:41704
2013-05-01 19:11:32.886105500 ERROR - AtmosphereBehavior         - 
2013-05-01 19:11:32.886106500 java.lang.NullPointerException
2013-05-01 19:11:32.886106500     at 
org.apache.wicket.atmosphere.EventBus.get(EventBus.java:87)

Also I found that this issue make my application become unresponsive and cause 
tomcat shut down.  Did anybody ever experiencing this? 

Any help will be appreciated. Thank you.

Below is my web.xml


        contextConfigLocation
        classpath:applicationContext.xml
    
    
        
org.springframework.web.context.ContextLoaderListener
    
    
        wicket.admin
        wicket.admin
        org.atmosphere.cpr.AtmosphereServlet
        
            applicationClassName
            com.admin.WicketApplication
        
        
            configuration
            deployment
        
        
            org.atmosphere.useWebSocket
            true
        
        
            org.atmosphere.useNative
            true
        
        
            org.atmosphere.cpr.sessionSupport
            true
        
        
            filterMappingUrlPattern
            /*
        
        
            org.atmosphere.websocket.WebSocketProtocol
            
org.atmosphere.websocket.protocol.EchoProtocol
        
        
            org.atmosphere.cpr.broadcastFilterClasses
            
org.apache.wicket.atmosphere.TrackMessageSizeFilter
        
        0
           
    
    
        wicket.admin
        /*