date:20060809

Any chance you'd have time to add a V2.0 update to that effect here
- http://www.wicket-wiki.org.uk/wiki/index.php/Spring :-)

/Gwyn

On 09/08/06, Igor Vaynberg [EMAIL PROTECTED] wrote:
 i have recently deprecated springannotwebapp so this no longer should be a
 problem. now to get spring injection going you do this:

 class myapplication extends webapplication {
init() {
  addComponentInstantiationListener(new
 SpringComponentInjector(this));
}
 }

 thats it, no need for extending any spring related application object.

 -Igor



 On 7/21/06, Mats Norén  [EMAIL PROTECTED] wrote:
  Has there been any progress in merging AuthenticatedWebApplication and
  the spring-stuff lately or is there a best praktice out there
  somewhere?
 
  Best regards Mats
 
  On 6/8/06, Martijn Dashorst [EMAIL PROTECTED] wrote:
   The problem is that the wicket-auth-roles package assumes you subclass
   AuthenticatedWebApplication as your application class. If you want to
 reuse
   that, you'll have to subclass the AuthenticatedWebApplication and the
   AuthenticatedSession.
  
   No spring can fix that.
  
   Martijn
  
  
   On 6/8/06, Mark Derricutt [EMAIL PROTECTED] wrote:
   
  
   On 6/7/06, Martijn Dashorst [EMAIL PROTECTED]  wrote:
  
   
I suggest (tried and tested at my company) to use the Auth application
 as
   your base class and merge the spring related stuff into your subclass.
 The
   spring integration is agnostic for sessions and such, so you'll be up
 and
   running much quicker.
   
  
   Personally I'm using the
   wicket.spring.SpringWebApplicationFactory mentioned in
   web.xml then and nice and cleanly inject my authentication strategy into
 my
   Application via normal spring IoC:
  
   bean id=wicketApplication
  
 class=com.theoryinpractice.timetrackr.TimeTrackrApplication
   property
 name=timeTrackrAuthorizationStrategy
   ref=authorizationStrategy/
   /bean
  
   bean id=authorizationStrategy
  
 class=com.theoryinpractice.timetrackr.TimeTrackrAuthorizationStrategy
   property name=userManager ref=userManager/
   /bean
  
   The authorization strategy also has injected into it my hibernate DAO's
 so
   have full access to everything they need, cleanly and springy, without
   touching any of those odd little convience classes (actually I never
 knew
   they existed either).
  
   Doing spring+wicket this way is much much nicer I find.
  

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Re: [Wicket-user] Performance/Scalability tips

There's this on the subject that Martijn posted a little while ago,
http://www.nabble.com/Re%3A-Wicket-in-large-scale-production-scenarios--p5374359.html
but maybe someone on the list might have more comments.

The main technical issues are to ensure that you use detatched models
 to try  be careful that you're not inadvertantly holding references
to instances of things that might themselves hold large amounts of
data in your pages.  Of course, it's often not obvious that that's the
case.

I've not tried it myself for a long time, but maybe running the app
under a profiler would help to with checking this particular issue -
must try when I get some spare time...

/Gwyn

On 09/08/06, Sebastjan Trepca [EMAIL PROTECTED] wrote:
 Hi all!

 We're starting a new project that will be quite big (1-2 million users) so
 now I'm choosing a web framework to use.
 It seems that Wicket is a very good framework but what worries me is the
 performance and scalability. I installed wicket-examples on my machine and
 stress-tested them a bit, just for curiosity, and always got OutOfMemory
 error which didn't look very promising. Then I read about detached models
 and created a project using them and it didn't crash anymore, but still,
 memory was quite high.
 Now I searched thru wiki and didn't find any other tips about performance
 etc.

 So, do you have any tips for me, on design level or maybe links to other
 docs, whatever really :)

 Thank you, Sebastjan


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Re: [Wicket-user] Coding Authentification, Databinding and Role-related application behaviour

2006-08-09 Thread Mats Norén

On 8/9/06, Igor Vaynberg [EMAIL PROTECTED] wrote:
 i have recently deprecated springannotwebapp so this no longer should be a
 problem. now to get spring injection going you do this:

 class myapplication extends webapplication {
init() {
  addComponentInstantiationListener(new
 SpringComponentInjector(this));
}
 }

 thats it, no need for extending any spring related application object.

Ok, is this in version 1.2.1 or only in 2.0?

/Mats


 -Igor



 On 7/21/06, Mats Norén  [EMAIL PROTECTED] wrote:
 
 Has there been any progress in merging AuthenticatedWebApplication and
 the spring-stuff lately or is there a best praktice out there
 somewhere?

 Best regards Mats

 On 6/8/06, Martijn Dashorst [EMAIL PROTECTED] wrote:
  The problem is that the wicket-auth-roles package assumes you subclass
  AuthenticatedWebApplication as your application class. If you want to
 reuse
  that, you'll have to subclass the AuthenticatedWebApplication and the
  AuthenticatedSession.
 
  No spring can fix that.
 
  Martijn
 
 
  On 6/8/06, Mark Derricutt [EMAIL PROTECTED] wrote:
  
 
  On 6/7/06, Martijn Dashorst [EMAIL PROTECTED]  wrote:
 
  
   I suggest (tried and tested at my company) to use the Auth application
 as
  your base class and merge the spring related stuff into your subclass. The
  spring integration is agnostic for sessions and such, so you'll be up and
  running much quicker.
  
 
  Personally I'm using the
  wicket.spring.SpringWebApplicationFactory mentioned in
  web.xml then and nice and cleanly inject my authentication strategy into
 my
  Application via normal spring IoC:
 
  bean id=wicketApplication
 
 class=com.theoryinpractice.timetrackr.TimeTrackrApplication
  property name=timeTrackrAuthorizationStrategy
  ref=authorizationStrategy/
  /bean
 
  bean id=authorizationStrategy
 
 class=com.theoryinpractice.timetrackr.TimeTrackrAuthorizationStrategy
  property name=userManager ref=userManager/
  /bean
 
  The authorization strategy also has injected into it my hibernate DAO's so
  have full access to everything they need, cleanly and springy, without
  touching any of those odd little convience classes (actually I never knew
  they existed either).
 
  Doing spring+wicket this way is much much nicer I find.
 
 
 
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Re: [Wicket-user] Performance/Scalability tips

I also stress tested the examples quite a lot. Which part did you test that you get an out of memory? And how much memory did you give your server?Memory usage can be cut down in several ways:1 use for heavy hit pages stateless pages (in
1.2 just use bookmarkable links and no forms on it), in 2.0 you have much more choices for working stateless.2 For none stateless pages, do use detachable models. Make sure that you don't hold large (db) objects in your pages when they are serialized to the http session.
3 Tweak how many of those pages should be in memory. (this depends on how far you want to go with the back button support) in 2.0 we have a different session store that only keeps 1 page in mem. And the rest is cached and stored to disk.
johanOn 8/9/06, Sebastjan Trepca [EMAIL PROTECTED] wrote:
Hi all!We're starting a new project that will be quite big (1-2 million users) so now I'm choosing a web framework to use. It seems that Wicket is a very good framework but what worries me is the performance and scalability. I installed wicket-examples on my machine and stress-tested them a bit, just for curiosity, and always got OutOfMemory error which didn't look very promising. Then I read about detached models and created a project using them and it didn't crash anymore, but still, memory was quite high.
Now I searched thru wiki and didn't find any other tips about performance etc.So, do you have any tips for me, on design level or maybe links to other docs, whatever really :)Thank you, Sebastjan

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Re: [Wicket-user] Problem with Javascript function calls in AJAX loaded document with IE6

2006-08-09 Thread Matej Knopp

The problem here probably is that outerHTML in explrer doesn't execute 
the javascript located in the replacement string.

Current svn version should fix this (as well as header contribution), so 
please try it and let us know whether it does work.

-Matej

Pierre-Yves Saumont wrote:
 Hello,
 
 I have an AJAX tabbed panel that works smoothly except for one little 
 thing.
 
 The first tab contains a form with an OnSubmit event handler. For 
 testing purpose, the handler is as follow :
 
 onsubmit=alert('On Submit');return alertOnSubmit('alertOnSubmit')
 
 The alertOnSubmit function just display it's argument in an alert box. 
 Everything works fine.
 
 Now, if I fut the same form in the second tab (which is then loaded 
 through AJAX), the event handler works fine in Firefox. However, in IE6, 
 the first alert box is displayed, but the second is not.
 
 I made several tests, putting the script in various places. Results are 
 as follow :
 
 - When in first tab, everything works wherever the script is located.
 
 - When in second tab (AJAX loaded), it does not work if the script is 
 located in the tab. It works only if the script is in the rest of the page.
 
 Does someone know if there is way to make IE6 use the scripts loaded 
 through AJAX ?
 
 BTW, the Ajax Debug Window is really cool. It would be even cooler if it 
 could be resized. (And also is IE6 dropdown lists would not display on 
 top of it, but there is probably not much to do about this except 
 waiting for IE7 :-(
 
 Pierre-Yves
 
 
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Re: [Wicket-user] Performance/Scalability tips

2006-08-09 Thread Sebastjan Trepca

I used the default resin3pro configuration. I tested it like this:ab2 -n 1000 -c 100 http://localhost:8080/wicket-examples-1.2/repeater?wicket:bookmarkablePage=:wicket.examples.repeater.DataGridPage
It died after eating 100MB of memory and serving 600-800 requests*100 threads. The problem is also that the CPU was on 100%.This version 2.0 sounds very nice, is it usable yet? How can I set a page to be stateless in
1.2.1 ? Is there some attribute to do this or does it just mean that you use detachable models? I would definetly like to handle sessions separately and have all my pages stateless. So forms are saved into sessions or what is the problem with them? They seem very nice though.
Thanks for help.SebastjanOn 8/9/06, Johan Compagner [EMAIL PROTECTED] wrote:
I also stress tested the examples quite a lot. Which part did you test that you get an out of memory? And how much memory did you give your server?
Memory usage can be cut down in several ways:1 use for heavy hit pages stateless pages (in
1.2 just use bookmarkable links and no forms on it), in 2.0 you have much more choices for working stateless.2 For none stateless pages, do use detachable models. Make sure that you don't hold large (db) objects in your pages when they are serialized to the http session.
3 Tweak how many of those pages should be in memory. (this depends on how far you want to go with the back button support) in 2.0 we have a different session store that only keeps 1 page in mem. And the rest is cached and stored to disk.
johanOn 8/9/06, Sebastjan Trepca
[EMAIL PROTECTED] wrote:

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Re: [Wicket-user] Performance/Scalability tips

2006-08-09 Thread Korbinian Bachl

Hi Johan,

1 use for heavy hit pages stateless pages (in 1.2
just use bookmarkable links and no forms on it), in 2.0 you have much more
choices for working stateless.

question: is this done by using the mount functions in the
init() of the application file ?
Regards

Von: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] Im Auftrag von Johan
CompagnerGesendet: Mittwoch, 9. August 2006 11:39An:
wicket-user@lists.sourceforge.netBetreff: Re: [Wicket-user]
Performance/Scalability tips
I also stress tested the examples quite a lot. Which part
did you test that you get an out of memory? And how much memory did you give
your server?Memory usage can be cut down in several ways:1
use for heavy hit pages stateless pages (in 1.2 just use bookmarkable links
and no forms on it), in 2.0 you have much more choices for working
stateless.2 For none stateless pages, do use detachable models. Make
sure that you don't hold large (db) objects in your pages when they are
serialized to the http session. 3 Tweak how many of those pages should
be in memory. (this depends on how far you want to go with the back button
support) in 2.0 we have a different
session store that only keeps 1 page in mem. And the rest is cached and stored
to disk. johan
On 8/9/06, Sebastjan
Trepca [EMAIL PROTECTED]
wrote:

Hi all!We're starting a new project that will be quite big (1-2
million users) so now I'm choosing a web framework to use. It seems that
Wicket is a very good framework but what worries me is the performance and
scalability. I installed wicket-examples on my machine and stress-tested
them a bit, just for curiosity, and always got OutOfMemory error which
didn't look very promising. Then I read about detached models and created a
project using them and it didn't crash anymore, but still, memory was quite
high. Now I searched thru wiki and didn't find any other tips about
performance etc.So, do you have any tips for me, on design level or
maybe links to other docs, whatever really :)Thank you,
Sebastjan-Using
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Re: [Wicket-user] Performance/Scalability tips

2006-08-09 Thread Korbinian Bachl




He Sebastjan,

where did you read about the detached models ? 


Regards

  
  
  Von: [EMAIL PROTECTED] 
  [mailto:[EMAIL PROTECTED] Im Auftrag von 
  Sebastjan TrepcaGesendet: Mittwoch, 9. August 2006 
  10:17An: wicket-user@lists.sourceforge.netBetreff: 
  [Wicket-user] Performance/Scalability tips
  Hi all!We're starting a new project that will be quite big 
  (1-2 million users) so now I'm choosing a web framework to use. It seems 
  that Wicket is a very good framework but what worries me is the performance 
  and scalability. I installed wicket-examples on my machine and stress-tested 
  them a bit, just for curiosity, and always got OutOfMemory error which didn't 
  look very promising. Then I read about detached models and created a project 
  using them and it didn't crash anymore, but still, memory was quite high. 
  Now I searched thru wiki and didn't find any other tips about performance 
  etc.So, do you have any tips for me, on design level or maybe links to 
  other docs, whatever really :)Thank you, 
Sebastjan
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Re: [Wicket-user] Unknown Exception -- Wicket 1.2.1

2006-08-09 Thread Jeremy Levy

I'm not doing anything like this programatically, do you mean a user is doing this via his browser? My guess is that someone is messing with the back button.. I have a form that had 3 panels, when a user completes the first it replaces the panel with the next.
On 8/8/06, Eelco Hillenius [EMAIL PROTECTED] wrote:
On 8/8/06, Jeremy Levy [EMAIL PROTECTED] wrote: Can someone help me debug this exception?I don't see any references to my code: I'm using 1.2.1
 in Jboss/Tomcat wicket.WicketRuntimeException: Internal error parsing wicket:interface = :1 atYeah, looks like someone has been trying to play with an internal url.
Urls to components should look like:page-map-name:path:version:interface. In this case, there isonly page map name and path (default pagemap, path 1)Eelco-
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Re: [Wicket-user] Unknown Exception -- Wicket 1.2.1

that shouldn't matterWhat eelco says is that somebody is messing with the urls and tries to alter them and then sends them to the browser.johanOn 8/9/06, 
Jeremy Levy [EMAIL PROTECTED] wrote:
I'm not doing anything like this programatically, do you mean a user is doing this via his browser? My guess is that someone is messing with the back button.. I have a form that had 3 panels, when a user completes the first it replaces the panel with the next.
On 8/8/06, Eelco Hillenius 
[EMAIL PROTECTED] wrote:
On 8/8/06, Jeremy Levy [EMAIL PROTECTED] wrote: Can someone help me debug this exception?I don't see any references to my
 code: I'm using 1.2.1
 in Jboss/Tomcat wicket.WicketRuntimeException: Internal error parsing wicket:interface = :1 atYeah, looks like someone has been trying to play with an internal url.
Urls to components should look like:page-map-name:path:version:interface. In this case, there isonly page map name and path (default pagemap, path 1)Eelco-
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Re: [Wicket-user] Performance/Scalability tips

On 09/08/06, Korbinian Bachl [EMAIL PROTECTED] wrote:
 where did you read about the detached models ?

Here's a good place to start -
http://www.wicket-wiki.org.uk/wiki/index.php/Models#Detachable_Models.

Then check the entries for the specific classes (e.g.
AbstractDetachableModel) mentioned either on the Wiki or the JavaDoc.
If nothing else, the Wiki page (e.g.
http://www.wicket-wiki.org.uk/wiki/index.php/AbstractDetachableModel)
will have a link to the Javadoc page.)

/Gwyn
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Re: [Wicket-user] Performance/Scalability tips

no mounting is just making a url nicely bookmarkable. It has nothing to do if the page that is rendered by it is stateless.johanOn 8/9/06, 
Korbinian Bachl [EMAIL PROTECTED] wrote:





Hi Johan,

1 use for heavy hit pages stateless pages (in 1.2 
just use bookmarkable links and no forms on it), in 2.0 you have much more 
choices for working stateless.

question: is this done by using the mount functions in the 
init() of the application file ?
Regards

  
  
  Von: [EMAIL PROTECTED] 
  [mailto:[EMAIL PROTECTED]] Im Auftrag von Johan 
  CompagnerGesendet: Mittwoch, 9. August 2006 11:39An: 
  wicket-user@lists.sourceforge.netBetreff: Re: [Wicket-user] 
  Performance/Scalability tips
  I also stress tested the examples quite a lot. Which part 
  did you test that you get an out of memory? And how much memory did you give 
  your server?Memory usage can be cut down in several ways:1 
  use for heavy hit pages stateless pages (in 1.2 just use bookmarkable links 
  and no forms on it), in 2.0 you have much more choices for working 
  stateless.2 For none stateless pages, do use detachable models. Make 
  sure that you don't hold large (db) objects in your pages when they are 
  serialized to the http session. 3 Tweak how many of those pages should 
  be in memory. (this depends on how far you want to go with the back button 
  support) in 2.0 we have a different 
  session store that only keeps 1 page in mem. And the rest is cached and stored 
  to disk. johan
  On 8/9/06, Sebastjan 
  Trepca [EMAIL PROTECTED] 
  wrote:
  
Hi all!We're starting a new project that will be quite big (1-2 
million users) so now I'm choosing a web framework to use. It seems that 
Wicket is a very good framework but what worries me is the performance and 
scalability. I installed wicket-examples on my machine and stress-tested 
them a bit, just for curiosity, and always got OutOfMemory error which 
didn't look very promising. Then I read about detached models and created a 
project using them and it didn't crash anymore, but still, memory was quite 
high. Now I searched thru wiki and didn't find any other tips about 
performance etc.So, do you have any tips for me, on design level or 
maybe links to other docs, whatever really :)Thank you, 
Sebastjan-Using 
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Re: [Wicket-user] Performance/Scalability tips

As Johan said, no.  Take a look at the Javadocs for
BookmarkablePageLink  WebPage (links below)

/Gwyn

http://wicket.sourceforge.net/apidocs/wicket/markup/html/link/BookmarkablePageLink.html
http://wicket.sourceforge.net/apidocs/wicket/markup/html/link/BookmarkablePageLink.html

On 09/08/06, Korbinian Bachl [EMAIL PROTECTED] wrote:

 1 use for heavy hit pages stateless pages (in 1.2 just use bookmarkable
 links and no forms on it), in 2.0 you have much more choices for working
 stateless.


 question: is this done by using the mount functions in the init() of the
 application file ?

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Re: [Wicket-user] Performance/Scalability tips

What is ab2 for a thing?It looks like you are 1000 times getting that same bookmarkable page for 100 threads?That page is because of the source code viewer link not stateless so you a creating pages that will go into the sessions.
Now is the question does ab2 work with cookies or not? If not then it does create 100 * 1000 sessions and for all those it creates 1 page...johanOn 8/9/06,
Sebastjan Trepca [EMAIL PROTECTED] wrote:
I used the default resin3pro configuration. I tested it like this:ab2 -n 1000 -c 100
http://localhost:8080/wicket-examples-1.2/repeater?wicket:bookmarkablePage=:wicket.examples.repeater.DataGridPage
It died after eating 100MB of memory and serving 600-800 requests*100 threads. The problem is also that the CPU was on 100%.This version 2.0 sounds very nice, is it usable yet? How can I set a page to be stateless in
1.2.1 ? Is there some attribute to do this or does it just mean that you use detachable models? I would definetly like to handle sessions separately and have all my pages stateless. So forms are saved into sessions or what is the problem with them? They seem very nice though.
Thanks for help.SebastjanOn 8/9/06, Johan Compagner
[EMAIL PROTECTED] wrote:
I also stress tested the examples quite a lot. Which part did you test that you get an out of memory? And how much memory did you give your server?
Memory usage can be cut down in several ways:1 use for heavy hit pages stateless pages (in
1.2 just use bookmarkable links and no forms on it), in 2.0 you have much more choices for working stateless.2 For none stateless pages, do use detachable models. Make sure that you don't hold large (db) objects in your pages when they are serialized to the http session.
3 Tweak how many of those pages should be in memory. (this depends on how far you want to go with the back button support) in 2.0 we have a different session store that only keeps 1 page in mem. And the rest is cached and stored to disk.
johanOn 8/9/06, Sebastjan Trepca

[EMAIL PROTECTED] wrote:

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Re: [Wicket-user] Performance/Scalability tips

2006-08-09 Thread Matej Knopp

Well.. ab2 is an apache benchmarking tool. But I'm under the impression
that it's intended to measure the performance of static pages.

It doesn't use cookies, does it? If I recall correctly there should be a
possibility to specify a cookie value there, so you might be able to
reduce the number of created sessions somehow.

-Matej

Sebastjan Trepca wrote:
I used the default resin3pro configuration. I tested it like this:
ab2 -n 1000 -c 100
http://localhost:8080/wicket-examples-1.2/repeater?wicket:bookmarkablePage=:wicket.examples.repeater.DataGridPage

http://localhost:8080/wicket-examples-1.2/repeater?wicket:bookmarkablePage=:wicket.examples.repeater.DataGridPage

It died after eating 100MB of memory and serving 600-800 requests*100
threads. The problem is also that the CPU was on 100%.

This version 2.0 sounds very nice, is it usable yet?

How can I set a page to be stateless in 1.2.1 ? Is there some attribute
to do this or does it just mean that you use detachable models?

I would definetly like to handle sessions separately and have all my
pages stateless. So forms are saved into sessions or what is the problem
with them? They seem very nice though.

Thanks for help.

Sebastjan

On 8/9/06, *Johan Compagner* [EMAIL PROTECTED]
mailto:[EMAIL PROTECTED] wrote:

I also stress tested the examples quite a lot.

Which part did you test that you get an out of memory? And how much
memory did you give your server?

Memory usage can be cut down in several ways:

1 use for heavy hit pages stateless pages (in 1.2 just use
bookmarkable links and no forms on it), in 2.0 you have much more
choices for working stateless.
2 For none stateless pages, do use detachable models. Make sure
that you don't hold large (db) objects in your pages when they are
serialized to the http session.
3 Tweak how many of those pages should be in memory. (this depends
on how far you want to go with the back button support)
in 2.0 we have a different session store that only keeps 1
page in mem. And the rest is cached and stored to disk.

johan

On 8/9/06, *Sebastjan Trepca* [EMAIL PROTECTED]
mailto:[EMAIL PROTECTED] wrote:

Hi all!

We're starting a new project that will be quite big (1-2 million
users) so now I'm choosing a web framework to use.
It seems that Wicket is a very good framework but what worries me is
the performance and scalability. I installed wicket-examples on my
machine and stress-tested them a bit, just for curiosity, and always
got OutOfMemory error which didn't look very promising. Then I read
about detached models and created a project using them and it didn't
crash anymore, but still, memory was quite high.
Now I searched thru wiki and didn't find any other tips about
performance etc.

So, do you have any tips for me, on design level or maybe links to
other docs, whatever really :)

Thank you, Sebastjan

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Re: [Wicket-user] Performance/Scalability tips

http://httpd.apache.org/docs/2.2/programs/ab.html

I think you're correct with the params, but I've no idea about the cookies.

I think that basic lesson is that the benchmark that was done is only
of use if the OP intended to be serving the Wicket-Examples app out at
that rate - otherwise a more representative web-app would be much
better!

/Gwyn

On 09/08/06, Johan Compagner [EMAIL PROTECTED] wrote:
What is ab2 for a thing?
It looks like you are 1000 times getting that same bookmarkable page for 100
threads?
That page is because of the source code viewer link not stateless so you a
creating pages that will go into the sessions.
Now is the question does ab2 work with cookies or not? If not then it does
create 100 * 1000 sessions and for all those it creates 1 page...

johan

On 8/9/06, Sebastjan Trepca [EMAIL PROTECTED] wrote:

I used the default resin3pro configuration. I tested it like this:
ab2 -n 1000 -c 100
http://localhost:8080/wicket-examples-1.2/repeater?wicket:bookmarkablePage=:wicket.examples.repeater.DataGridPage

It died after eating 100MB of memory and serving 600-800 requests*100
threads. The problem is also that the CPU was on 100%.

This version 2.0 sounds very nice, is it usable yet?

How can I set a page to be stateless in 1.2.1 ? Is there some attribute to
do this or does it just mean that you use detachable models?

I would definetly like to handle sessions separately and have all my pages
stateless. So forms are saved into sessions or what is the problem with
them? They seem very nice though.

Thanks for help.

Sebastjan

On 8/9/06, Johan Compagner [EMAIL PROTECTED] wrote:

I also stress tested the examples quite a lot.

Which part did you test that you get an out of memory? And how much
memory did you give your server?

Memory usage can be cut down in several ways:

1 use for heavy hit pages stateless pages (in 1.2 just use bookmarkable
links and no forms on it), in 2.0 you have much more choices for working
stateless.
2 For none stateless pages, do use detachable models. Make sure that
you don't hold large (db) objects in your pages when they are serialized to
the http session.
3 Tweak how many of those pages should be in memory. (this depends on
how far you want to go with the back button support)
in 2.0 we have a different session store that only keeps 1 page
in mem. And the rest is cached and stored to disk.

johan

On 8/9/06, Sebastjan Trepca [EMAIL PROTECTED] wrote:

Hi all!

We're starting a new project that will be quite big (1-2 million users)
so now I'm choosing a web framework to use.
It seems that Wicket is a very good framework but what worries me is the
performance and scalability. I installed wicket-examples on my machine and
stress-tested them a bit, just for curiosity, and always got OutOfMemory
error which didn't look very promising. Then I read about detached models
and created a project using them and it didn't crash anymore, but still,
memory was quite high.
Now I searched thru wiki and didn't find any other tips about
performance etc.

So, do you have any tips for me, on design level or maybe links to other
docs, whatever really :)

--
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Re: [Wicket-user] Performance/Scalability tips

2006-08-09 Thread Sebastjan Trepca

 Well.. ab2 is an apache benchmarking tool. But I'm under the impression
 that it's intended to measure the performance of static pages.

Yep, it's mostly used for creating traffic. Just a basic test of
performance. The description of AB is:
ab is a tool for benchmarking your Apache Hypertext Transfer Protocol
(HTTP) server. It is designed to give you an impression of how your
current Apache installation performs. This especially shows you how
many requests per second your Apache installation is capable of
serving.

It sure seems that sessions are used heavily, but i knew that anyway,
from documentation.

I would just need some pointers about reimplementing session handling.

Sebastjan

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Re: [Wicket-user] Discussing Wicket

2006-08-09 Thread Frank Silbermann


Igor Vaynberg [EMAIL PROTECTED] 7/29/06:
 we do evangelize the OO wherever we can, but it mostly falls on deaf
ears.
 have you ever seen a struts app? in most struts apps the notion of a 
 class is used mostly as a namespace to group some functions together.

 its hard to explain something when most people dont understand what 
 you are talking about. at least this has been my frustrating 
 experience. like that blog from the tapestry guy ( 

http://greggbolinger.blogspot.com/2006/01/i-say-tapestry-you-say-wicke
 t.html and discussion we had here on the list ) saying listview is
too 
 complex to understand because it has an abstract callback method you 
 have to implement and because it is an anoymous class.

Wicket is complex, in the same way that Swing is more complex than
coding simple HTML form elements.  (In fact, many people complain about
the complexity of Swing, but that complexity is there for a reason.
Unfortunately, simplest possible examples do not motivate the need for
the complexity.)

I think we need to come up with some reasonable examples that motivate
the use of OO in development of presentation logic -- examples in which
Wicket elegantly factors out redundancy that would make applications in
other frameworks sprawl like the suburbs of Houston.  The challenge is
to come up with an example which is small enough to fit in a short blog
article.

What were the compelling examples which convinced people of the need for
OO-programming fifteen years ago?  How would a Swing text author
motivate the need for object-orientation in the presentation logic of a
desktop application?  We could adapt those examples to the web domain.


On 7/29/06 Eelco Hillenius wrote:
 Yeah. It seems to be a sad reality that many frameworks have it
 as their holy grail to save their users from writing any code.

Whereas I prefer the idea of a web framework that saves users from
having to write any HTML, CSS or Javascript -- or at least one that at
least lets users hide those ugly details, just as a data access object
hides the ugly SQL strings.


 And many programmers seem to agree that's what they want.

Those are the ones we've got to try to put out of business.  :-)
 

 That's how you get those famous 'framework coders'.

However, I think we're using the word `framework' with a different
connotation.  The framework programmers described in recent blogs are
generally competent programmers who avoided having to learn messy
framework API details hidden by architectural code provided by others in
the project.  In contrast, most web developers revel in the messy
web-API details, but don't understand the fundamentals of programming.

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Re: [Wicket-user] Discussing Wicket

2006-08-09 Thread Frank Silbermann




You don't _need_ to know / use OO to program in Java or 
C++, but at least they _allow_ you to use OO in your programs. With all 
the reading I've done on JSF, I still don't have a clue as to the 
waysomeone who _wanted_ to use OO in structuring the presentation layer 
could do so.




From: 
[EMAIL PROTECTED] 
[mailto:[EMAIL PROTECTED] On Behalf Of Igor 
VaynbergSent: Saturday, July 29, 2006 9:54 AMTo: 
wicket-user@lists.sourceforge.netSubject: Re: [Wicket-user] 
Discussing Wicket
its not only that - most frameworks are not built around OO so the 
developer is not required to know it/use it. i think the skill is mostly lost in 
the webspace.-Igor
On 7/29/06, Eelco 
Hillenius [EMAIL PROTECTED] 
wrote:
On 
  7/29/06, Igor Vaynberg [EMAIL PROTECTED] 
  wrote: we do evangelize the OO wherever we can, but it mostly falls on 
  deaf ears. have you ever seen a struts app? in most struts apps the 
  notion of a class  is used mostly as a namespace to group some 
  functions together. its hard to explain something when most people 
  dont understand what you are talking about. at least this has been my 
  frustrating experience. like that blog from  the tapestry guy 
  ( http://greggbolinger.blogspot.com/2006/01/i-say-tapestry-you-say-wicket.html 
  and discussion we had here on the list ) saying listview is too complex to 
   understand because it has an abstract callback method you have to 
  implement and because it is an anoymous class.Yeah. It seems 
  to be a sad reality that many frameworks have it astheir holy grail to 
  save their users from writing any code. And many programmers seem to agree 
  that's what they want. That's how you getthose famous 'framework 
  coders'.Eelco-Take 
  Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's 
  Techsay panel and you'll get the chance to share youropinions on IT  
  business topics through brief surveys -- and earn cashhttp://www.techsay.com/default.php?page=join.phpp=sourceforgeCID=DEVDEV___Wicket-user 
  mailing listWicket-user@lists.sourceforge.net 
  https://lists.sourceforge.net/lists/listinfo/wicket-user
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Re: [Wicket-user] Buttons not responding in IE

is the button inside a form?-IgorOn 8/9/06, wicket21 [EMAIL PROTECTED]
 wrote:I 've tried it, but it doesn't work. To be more precise here is the code :
--This code does NOT work with IE:Page1.html :...td align=rightinput type=submit wicket:id=proceedButton class=mybuttonfree/
/td...Page1.java :...String proceedLabel =Proceed;Button proceedButton = new Button(proceedButton, newCompoundPropertyModel(proceedLabel)){protected void onSubmit() {
...this.setResponsePage(page10.class);}};add(proceedButton);...--This code (from other page in project) works fine(!) with IE:Page2.html :...td align=right
 input type=submit wicket:id=finalButton class=mybuttonfree/td...Page2.java :...String proceedLabel =Finish;Button finalButton = new Button(finalButton,new
CompoundPropertyModel(proceedLabel)) {protected void onSubmit() {...this.setResponsePage(page10.class);}};add(finalButton);.../Kostasigor.vaynberg
 wrote: you have to use input type=submit input type=button and button tags do not submit the form - or at least should not according to spec i think. they are only supposed to invoke
 onclick handlers where _javascript_ either submits the form or does something else. i noticed that ffox will still submit the form sometimes if there is no onclick handler - which is wrong imho.
 -Igor--View this message in context: http://www.nabble.com/Buttons-not-responding-in-IE-tf2073453.html#a5722057
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Re: [Wicket-user] Coding Authentification, Databinding and Role-related application behaviour

it will be in both 1.2.2 and 2.0its in svn right now...still working on support for portlets but webapps are ready to go.-IgorOn 8/9/06, Mats Norén
 [EMAIL PROTECTED] wrote:On 8/9/06, Igor Vaynberg 
[EMAIL PROTECTED] wrote: i have recently deprecated springannotwebapp so this no longer should be a problem. now to get spring injection going you do this:
 class myapplication extends webapplication {init() {addComponentInstantiationListener(new SpringComponentInjector(this));} } thats it, no need for extending any spring related application object.
Ok, is this in version 1.2.1 or only in 2.0?/Mats -Igor On 7/21/06, Mats Norén  [EMAIL PROTECTED] wrote:
  Has there been any progress in merging AuthenticatedWebApplication and the spring-stuff lately or is there a best praktice out there somewhere? Best regards Mats
 On 6/8/06, Martijn Dashorst [EMAIL PROTECTED] wrote:  The problem is that the wicket-auth-roles package assumes you subclass  AuthenticatedWebApplication as your application class. If you want to
 reuse  that, you'll have to subclass the AuthenticatedWebApplication and the  AuthenticatedSession.   No spring can fix that.   Martijn 
   On 6/8/06, Mark Derricutt [EMAIL PROTECTED] wrote: On 6/7/06, Martijn Dashorst 
[EMAIL PROTECTED]  wrote:  I suggest (tried and tested at my company) to use the Auth application as  your base class and merge the spring related stuff into your subclass. The
  spring integration is agnostic for sessions and such, so you'll be up and  running much quicker. Personally I'm using the  wicket.spring.SpringWebApplicationFactory
 mentioned in  web.xml then and nice and cleanly inject my authentication strategy into my  Application via normal spring IoC:   bean id=wicketApplication
  class=com.theoryinpractice.timetrackr.TimeTrackrApplication  property name=timeTrackrAuthorizationStrategy  ref=authorizationStrategy/
  /bean   bean id=authorizationStrategy  class=com.theoryinpractice.timetrackr.TimeTrackrAuthorizationStrategy  property name=userManager ref=userManager/
  /bean   The authorization strategy also has injected into it my hibernate DAO's so  have full access to everything they need, cleanly and springy, without  touching any of those odd little convience classes (actually I never knew
  they existed either).   Doing spring+wicket this way is much much nicer I find. ___
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[Wicket-user] problem with PopupCloseLink - wicket 1.2.1

2006-08-09 Thread Dipu




Hi All, 

I have migrated my application from the earlier 
version of wicket to the version 1.2.1.

I am having bit of a problem with the popup pages 
and pop up close links. 
If i open a popup page and close it by clicking on 
the PopupCloseLink.
The next attemptto open 
the pop up page loads the home page in my pop up page.
At the same time if i uses the browsers close 
button it opens the correct pop up page in the
subsequent attempts. 

Has any one come across this problem with the 
version 1.2.1.

I wonder if the line 
// Remove the popup's page map from the 
session
getPage().getPageMap().remove();

in the onClick() method of 
PopupCloseLink has got some thing to do with this.

Kind Regards
Dipu


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Re: [Wicket-user] Coding Authentification, Databinding and Role-related application behaviour

updated-IgorOn 8/9/06, Gwyn Evans [EMAIL PROTECTED] wrote:
Any chance you'd have time to add a V2.0 update to that effect here- http://www.wicket-wiki.org.uk/wiki/index.php/Spring :-)/Gwyn
On 09/08/06, Igor Vaynberg [EMAIL PROTECTED] wrote: i have recently deprecated springannotwebapp so this no longer should be a problem. now to get spring injection going you do this:
 class myapplication extends webapplication {init() {addComponentInstantiationListener(new SpringComponentInjector(this));} } thats it, no need for extending any spring related application object.
 -Igor On 7/21/06, Mats Norén  [EMAIL PROTECTED] wrote:  Has there been any progress in merging AuthenticatedWebApplication and
  the spring-stuff lately or is there a best praktice out there  somewhere?   Best regards Mats   On 6/8/06, Martijn Dashorst 
[EMAIL PROTECTED] wrote:   The problem is that the wicket-auth-roles package assumes you subclass   AuthenticatedWebApplication as your application class. If you want to
 reuse   that, you'll have to subclass the AuthenticatedWebApplication and the   AuthenticatedSession. No spring can fix that. Martijn
   On 6/8/06, Mark Derricutt [EMAIL PROTECTED] wrote:On 6/7/06, Martijn Dashorst 
[EMAIL PROTECTED]  wrote: I suggest (tried and tested at my company) to use the Auth application
 as   your base class and merge the spring related stuff into your subclass. The   spring integration is agnostic for sessions and such, so you'll be up and   running much quicker.
Personally I'm using the   wicket.spring.SpringWebApplicationFactory mentioned in   web.xml then and nice and cleanly inject my authentication strategy into
 my   Application via normal spring IoC: bean id=wicketApplication   class=com.theoryinpractice.timetrackr.TimeTrackrApplication
   property name=timeTrackrAuthorizationStrategy   ref=authorizationStrategy/   /bean  
   bean id=authorizationStrategy   class=com.theoryinpractice.timetrackr.TimeTrackrAuthorizationStrategy   property name=userManager ref=userManager/
   /bean The authorization strategy also has injected into it my hibernate DAO's so   have full access to everything they need, cleanly and springy, without
   touching any of those odd little convience classes (actually I never knew   they existed either). Doing spring+wicket this way is much much nicer I find.
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Re: [Wicket-user] Performance/Scalability tips

2006-08-09 Thread Juergen Donnerstag

 It sure seems that sessions are used heavily, but i knew that anyway,
 from documentation.


I don't think that sessions are used heavily compared to other
web-apps. The difference is that Wicket does most of the Sessions
tasks for you and it is consistent whereas with Struts etc you end up
doing everything yourself. From my experience, many web-apps end up
with much worse session usage as it is a developers tasks compared to
a similar Wicket app. In Wicket, we try to keep the developer in
control, but most standard session use case are already in place.
Overall and IMO it makes Session handling and usage much saver in the
long run. I don't have hard figures, but I think that Wicket web apps
don't use more session memory than any other normal web-app (no matter
which framework) which implements the same business functionality. Of
course there are always well-tuned apps which do it better, but I
think Wicket does a decent job for most use cases.

Juergen

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Re: [Wicket-user] Performance/Scalability tips

the advantage that wicket provides in session handling is that it evicts objects from it for you. what you had to put into a session in lets say a struts app to be accessed across requests you now put into a Page and pass references from page instance to page instance if it is needed across pages. now when those pages are evicted from session by wicket so is that object you stored. from what i have seen in a lot of non-wicket projects - the things are put into session, but are never removed so they stay in there until the session times out - and thats a huge waste. sometimes when there is a wizard the laste page of the wizard does the cleanup, but the user can start a wizard and then decide to move on to something else w/out pressing the cancel button - this is another common source of session leakage that does not effect wicket.
-IgorOn 8/9/06, Juergen Donnerstag [EMAIL PROTECTED] wrote:
 It sure seems that sessions are used heavily, but i knew that anyway, from documentation.I don't think that sessions are used heavily compared to otherweb-apps. The difference is that Wicket does most of the Sessions
tasks for you and it is consistent whereas with Struts etc you end updoing everything yourself. From my experience, many web-apps end upwith much worse session usage as it is a developers tasks compared to
a similar Wicket app. In Wicket, we try to keep the developer incontrol, but most standard session use case are already in place.Overall and IMO it makes Session handling and usage much saver in thelong run. I don't have hard figures, but I think that Wicket web apps
don't use more session memory than any other normal web-app (no matterwhich framework) which implements the same business functionality. Ofcourse there are always well-tuned apps which do it better, but Ithink Wicket does a decent job for most use cases.
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Re: [Wicket-user] no activity in wicket user list?

2006-08-09 Thread Frank Bille

On 8/9/06, Jaime De La Jara [EMAIL PROTECTED] wrote:
Hi, just wondering what has happened to the mailing list?, the last post is from July 25 and there's been no activity since then.You mean on SourceForge? They are having problems with that. Use nabble instead:
http://www.nabble.com/Wicket---User-f13976.htmlFrank
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Re: [Wicket-user] no activity in wicket user list?

in my mailbox last post was 30 minutes ago :) check your client.-IgorOn 8/9/06, Jaime De La Jara 
[EMAIL PROTECTED] wrote:Hi, just wondering what has happened to the mailing list?, the last post is from July 25 and there's been no activity since then.
Ragards,Jaime. 
		Do you Yahoo!? Next-gen email? Have it all with the 
 all-new Yahoo! Mail Beta.
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Re: [Wicket-user] Unknown Exception -- Wicket 1.2.1

Yep. I think someone was just playing around a bit. Maybe we shouldn't
log big fat stacktraces for that unless in debug and/ or development
mode?

Eelco

On 8/9/06, Johan Compagner [EMAIL PROTECTED] wrote:
 that shouldn't matter
 What eelco says is that somebody is messing with the urls and tries to alter
 them and then sends them to the browser.

 johan

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Re: [Wicket-user] Coding Authentification, Databinding and Role-related application behaviour

Thanks!

On 09/08/06, Igor Vaynberg [EMAIL PROTECTED] wrote:
 updated

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Re: [Wicket-user] Discussing Wicket

2006-08-09 Thread Scott Swank

We have two applications that are largely the same.  However, (along
with some minor variations between them) they have completely
different authentication strategies.  The call center version
entails logging in once at the start, while the retail version
entails authenticating yourself every time a purchase is made.  While
I don't have this working yet --largely due to the fact that I'm still
figuring out how Wicket's authentication model works.  I am however
thoroughly confident that the approach Wicket takes will make this far
easier to implement than is has been in our legacy apps.

For an article-length review of the advantages of an OO web framework,
I really like a shopping cart style app that sells at least two
substantially distinct products.  Maybe something like...

main page

 tabbed panel
  product A panel (extends abstract product panel, which contains a date 
  picker and a list view of abstract product) -- this panel adds the product 
  A item to the abstract product panel's list view
  product B panel (extends product panel) -- add product B

 shopping cart contains a list view of abstract product
  add product A or product B


Initially there could just be html for the AbstractProductPanel,
however then html could be added for the ProductAPanel to restructure
its layout.

Or is that simply too much for an article?



On 8/9/06, Frank Silbermann [EMAIL PROTECTED] wrote:


 You don't _need_ to know / use OO to program in Java or C++, but at least
 they _allow_ you to use OO in your programs.  With all the reading I've done
 on JSF, I still don't have a clue as to the way someone who _wanted_ to use
 OO in structuring the presentation layer could do so.

  

 From: [EMAIL PROTECTED]
 [mailto:[EMAIL PROTECTED] On
 Behalf Of Igor Vaynberg
 Sent: Saturday, July 29, 2006 9:54 AM
 To: wicket-user@lists.sourceforge.net
 Subject: Re: [Wicket-user] Discussing Wicket


 its not only that - most frameworks are not built around OO so the developer
 is not required to know it/use it. i think the skill is mostly lost in the
 webspace.

 -Igor



 On 7/29/06, Eelco Hillenius [EMAIL PROTECTED] wrote:
  On 7/29/06, Igor Vaynberg [EMAIL PROTECTED] wrote:
   we do evangelize the OO wherever we can, but it mostly falls on deaf
 ears.
   have you ever seen a struts app? in most struts apps the notion of a
 class
   is used mostly as a namespace to group some functions together. its hard
 to
   explain something when most people dont understand what you are talking
   about. at least this has been my frustrating experience. like that blog
 from
   the tapestry guy (
  
 http://greggbolinger.blogspot.com/2006/01/i-say-tapestry-you-say-wicket.html
   and discussion we had here on the list ) saying listview is too complex
 to
   understand because it has an abstract callback method you have to
 implement
   and because it is an anoymous class.
 
  Yeah. It seems to be a sad reality that many frameworks have it as
  their holy grail to save their users from writing any code. And many
  programmers seem to agree that's what they want. That's how you get
  those famous 'framework coders'.
 
  Eelco
 
 
 -
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-- 
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reformed mathematician

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Re: [Wicket-user] Discussing Wicket

2006-08-09 Thread Frank Silbermann

As long as you separate the business logic (e.g. authentication rules)
from the presentation logic (the HTML), you can use the base language's
object-orientation with most any framework.  The real winner for wicket
is the use of object-orientation in the display logic.  I think you may
be onto something with the shopping cart style application.  You define
an abstract product display panel which is subclassed by a variety of
concrete leaf classes for various products and product types, and you
define a component (e.g. a tabbed panel) to display an arbitrary
collection of these products.

For each product the database could contain a display type and a
serialized property-list that tells the application whatever it needs to
know for displaying the product.  Then you could add a new product and
its display simply by adding a record to the database. 

-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Scott
Swank
Sent: Wednesday, August 09, 2006 11:36 AM
To: wicket-user@lists.sourceforge.net
Subject: Re: [Wicket-user] Discussing Wicket

We have two applications that are largely the same.  However, (along
with some minor variations between them) they have completely different
authentication strategies.  The call center version entails logging in
once at the start, while the retail version entails authenticating
yourself every time a purchase is made.  While I don't have this working
yet --largely due to the fact that I'm still figuring out how Wicket's
authentication model works.  I am however thoroughly confident that the
approach Wicket takes will make this far easier to implement than is has
been in our legacy apps.

For an article-length review of the advantages of an OO web framework, I
really like a shopping cart style app that sells at least two
substantially distinct products.  Maybe something like...

main page

 tabbed panel
  product A panel (extends abstract product panel, which contains a 
  date picker and a list view of abstract product) -- this panel adds 
  the product A item to the abstract product panel's list view product

  B panel (extends product panel) -- add product B

 shopping cart contains a list view of abstract product
  add product A or product B


Initially there could just be html for the AbstractProductPanel, however
then html could be added for the ProductAPanel to restructure its
layout.

Or is that simply too much for an article?



On 8/9/06, Frank Silbermann [EMAIL PROTECTED] wrote:


 You don't _need_ to know / use OO to program in Java or C++, but at 
 least they _allow_ you to use OO in your programs.  With all the 
 reading I've done on JSF, I still don't have a clue as to the way 
 someone who _wanted_ to use OO in structuring the presentation layer
could do so.

  

 From: [EMAIL PROTECTED]
 [mailto:[EMAIL PROTECTED] On Behalf Of Igor 
 Vaynberg
 Sent: Saturday, July 29, 2006 9:54 AM
 To: wicket-user@lists.sourceforge.net
 Subject: Re: [Wicket-user] Discussing Wicket


 its not only that - most frameworks are not built around OO so the 
 developer is not required to know it/use it. i think the skill is 
 mostly lost in the webspace.

 -Igor



 On 7/29/06, Eelco Hillenius [EMAIL PROTECTED] wrote:
  On 7/29/06, Igor Vaynberg [EMAIL PROTECTED] wrote:
   we do evangelize the OO wherever we can, but it mostly falls on 
   deaf
 ears.
   have you ever seen a struts app? in most struts apps the notion of

   a
 class
   is used mostly as a namespace to group some functions together. 
   its hard
 to
   explain something when most people dont understand what you are 
   talking about. at least this has been my frustrating experience. 
   like that blog
 from
   the tapestry guy (
  
 http://greggbolinger.blogspot.com/2006/01/i-say-tapestry-you-say-wicke
 t.html
   and discussion we had here on the list ) saying listview is too 
   complex
 to
   understand because it has an abstract callback method you have to
 implement
   and because it is an anoymous class.
 
  Yeah. It seems to be a sad reality that many frameworks have it as 
  their holy grail to save their users from writing any code. And many

  programmers seem to agree that's what they want. That's how you get 
  those famous 'framework coders'.
 
  Eelco
 
 
 --
 ---
  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=DEV
 DEV
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Re: [Wicket-user] Form + pull model ListView + FormValidators

joni_18912 ivaynberg: any opinions on IFormValidator issue? Currently it is very difficult to work with them if the components in a Form changeivaynberg joni_18912 i think what you suggest worksivaynberg but you do realize that you can implement that yourself by subclassing the form?
ivaynberg we need to discuss this with chillenious and jcompagner here because usually we all disagree as far as changes to core form processing goes :)joni_18912 ok :)chillenious :)
chillenious what's the proposalchillenious ?chillenious that IFormValidator was a nasty buggerjoni_18912 chillenious: 
http://thread.gmane.org/gmane.comp.java.wicket.user/15627/focus=15643chillenious ah, I read the thread but missed the proposal partjoni_18912 only that i don't see how it is possible to implement it by subclassing the form. only way to get IFormValidators to a form is by pushing them
ivaynberg you override validate()ivaynberg and process them yourselfjoni_18912 rightivaynberg after some discussions i am a bit hesitant of adding more stuff to form processing
ivaynberg cause it seems everyone expects it to work slightly differentivaynberg so it just makes more of a messchillenious yeah I agreeivaynberg butchillenious better keep it simple if we can
ivaynberg what i can do is break out validate(IFormValidator) for you so when you override validate and collect the validators you can just delegate to that callivaynberg so you dont have to rewrite as much
ivaynberg sound good?joni_18912 that would be goodivaynberg okchillenious to me that does sound good tooivaynberg let me do that right nowjoni_18912 ty
ivaynberg npchillenious better than the lazy loading thing. That's a nice pattern in itself, but it would add more complexity (not to mention another API break)ivaynberg i think a wiki page with the visitor would be nice in case someone else runs into this
-IgorOn 8/8/06, Joni Freeman [EMAIL PROTECTED] wrote:
On Tue, 2006-08-08 at 08:36 -0700, Igor Vaynberg wrote: this only solves it partially though - added formvalidators are still going to be a problem for removed items - not sure about the best approach right now - we might have to open more api or make validation
 smarter - lets discuss this some more.I think the problem is that IFormValidators are pushed to a Form.Pushing things do not work well when using pull models. What if Formwould pull FormValidators instead:
public Form extends WebMarkupContainer implements IFormSubmitListener{...protected ListIFormValidator formValidators(){ListIFormValidator formValidators = new
ArrayListIFormValidator();visitChildren(IFormValidatorProvider.class, new IVisitor(){public Object component(final Component component){IFormValidatorProvider provider =
(IFormValidatorProvider) component;validators.addAll(provider.formValidators());return CONTINUE_TRAVERSAL;} });return formValidators;
}}public interface IFormValidatorProvider{CollectionIFormValidator formValidators();}This would allow IFormValidators to be encapsulated with components.E.g.
public DateRangePicker extends Panel implements IFormValidatorProvider{public DateRangePicker(String id){super(id);start = new DateRange(start);end = new DateRange(end);
}public CollectionIFormValidator formValidators(){return Arrays.asList(new DateRangePickerValidator(start, end));}private class DateRangePickerValidator implements IFormValidator
{public DateRangeFieldValidator(DatePicker start, DatePickerend){}}}This would also be more flexible than the current way since the decisionabout whether to include a certain IFormValidator can be done at
onSubmit() phase.Any comments?Joni-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
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Re: [Wicket-user] Unknown Exception -- Wicket 1.2.1

2006-08-09 Thread Levy, Jeremy

I don't think it was someone playing with the URL, I had a user write in
a say that they got the error during registration.

Jeremy

-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Eelco
Hillenius
Sent: Wednesday, August 09, 2006 12:22 PM
To: wicket-user@lists.sourceforge.net
Subject: Re: [Wicket-user] Unknown Exception -- Wicket 1.2.1

Yep. I think someone was just playing around a bit. Maybe we shouldn't
log big fat stacktraces for that unless in debug and/ or development
mode?

Eelco

On 8/9/06, Johan Compagner [EMAIL PROTECTED] wrote:
 that shouldn't matter
 What eelco says is that somebody is messing with the urls and tries to

 alter them and then sends them to the browser.

 johan


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Re: [Wicket-user] Unknown Exception -- Wicket 1.2.1

if you can reproduce it then somehow so that i can look at it?johanOn 8/9/06, Levy, Jeremy 
[EMAIL PROTECTED] wrote:I don't think it was someone playing with the URL, I had a user write in
a say that they got the error during registration.Jeremy-Original Message-From: [EMAIL PROTECTED][mailto:
[EMAIL PROTECTED]] On Behalf Of EelcoHilleniusSent: Wednesday, August 09, 2006 12:22 PMTo: 
wicket-user@lists.sourceforge.netSubject: Re: [Wicket-user] Unknown Exception -- Wicket 1.2.1Yep. I think someone was just playing around a bit. Maybe we shouldn'tlog big fat stacktraces for that unless in debug and/ or development
mode?EelcoOn 8/9/06, Johan Compagner [EMAIL PROTECTED] wrote: that shouldn't matter What eelco says is that somebody is messing with the urls and tries to
 alter them and then sends them to the browser. johan-Using Tomcat but need to do more? Need to support web services,
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Re: [Wicket-user] Performance/Scalability tips

 It died after eating 100MB of memory and serving 600-800 requests*100
 threads.

That is probably because - like said elsewhere in this thread - a new
session was started for every request.

 The problem is also that the CPU was on 100%.

Hmm, that's interesting. We (or rather Johan and Jonathan) really
worked hard at making Wicket as efficient as possible. Even with the
whole object tree creation etc it should still perform very well. If
you find certain hotspots, please share.

 This version 2.0 sounds very nice, is it usable yet?

We're also planning on backporting those features from 2.0 to our
upcomming 1.3 release. All 1.2.x release are meant to be binary
compatible. 1.3. will have a couple of API breaks that will make new
functionality possible. When we release 1.3. it will probably be
immediately usable for production as it mainly consists of back ports.

You can use 2.0 - in fact we think 2.0 has a few things that makes it
a lot better than 1.x, but at this time we don't guarantee API
stability yet. But we plan on stabilize 2.0 in about 2 months, also
because of the fact that we are writing Wicket In Action for that
version.

 How can I set a page to be stateless in 1.2.1 ? Is there some attribute to
 do this or does it just mean that you use detachable models?

Stateless means the page isn't even stored in the session. We started
out implementing that automatically for pages that don't have any call
backs to themselves (Links, Forms, etc). So for 1.2, if you implement
all your functionality using bookmarkable pages and passing 'state'
using RequestParameters objects, you'll have hardly any session usage.
I say hardly here, because 1.2 still creates a session for each
client. Deferred session creation was implemented for 2.0 and is on
the list to be backported for 1.3. With this, you can write Wicket
applications that do not even create a session for a client ever.

Stateless pages for Wicket 2.0 is currently under heavy development.
From an end-user's point of view, it will support the same use case I
mentioned above, and  in addition to that, you can even use forms and
links with stateless pages in 2.0.

I lost track myself of the status of the whole stateless business in
2.0, so I started a WIKI page here:
http://www.wicket-wiki.org.uk/wiki/index.php/Stateless_pages and I
hope someone else (specifically Johan and Matej) can finish that page.

There are several other ways to customize session usage too, btw. Most
notably tweaking the number of history items that are stored in the
session (IPageSettings#setMaxPageVersions), using a custom
ISessionStore (the default in 1.2 just stores everything in the
HttpSession object, but any other scheme is possible, including what
will probably the default in 2.0: a first level that stores pages in
the http session and a second level (for back button support) that
stores on disk).

Hope this helps.

Eelco

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Re: [Wicket-user] Unknown Exception -- Wicket 1.2.1

How does that registration work? Any way you can think of how the URL
got corrupted like that?

Eelco


On 8/9/06, Levy, Jeremy [EMAIL PROTECTED] wrote:
 I don't think it was someone playing with the URL, I had a user write in
 a say that they got the error during registration.

 Jeremy

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Re: [Wicket-user] Performance/Scalability tips

The problem is also that the CPU was on 100%.Hmm, that's interesting. We (or rather Johan and Jonathan) really
worked hard at making Wicket as efficient as possible. Even with thewhole object tree creation etc it should still perform very well. Ifyou find certain hotspots, please share.I think this was just object creation and io overhead and the GC working on its top..
If you do everything in your local computer. And you do a test that does everythingjust in mem (no data/db io) then the CPU will be the bottleneck so it should go to 100%Where else can it go to?
Stateless pages for Wicket 2.0 is currently under heavy development.From an end-user's point of view, it will support the same use case I
mentioned above, andin addition to that, you can even use forms andlinks with stateless pages in 2.0.But of course with some exceptions!You can't rely on model data in the Link.onClick() method ofcourse because there
is not data. With forms most state is already pushed from the browser (the data you submit)so for forms the onSubmit() it is almost as it was normally.
I lost track myself of the status of the whole stateless business in2.0, so I started a WIKI page here:http://www.wicket-wiki.org.uk/wiki/index.php/Stateless_pages
and Ihope someone else (specifically Johan and Matej) can finish that page.Matej! how nice that you are doing that! :)johan
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[Wicket-user] Wicket URLs without request cycle / Errors in onEndRequest

2006-08-09 Thread Ralf Ebert

Hi,

two tricky problems I'm just perplexed at after trying to figure it
out for some hours:

1) I want to generate a url for a wicket page without a request cycle.
I can access the web application, but no request is active (think
about a mail notification from a headless scheduled service containing
a wicket link). I don't want to hardwire the link in the code, I would
like to refer to the class + pageparameters (so the url generation
still works, even if the url encoding strategy changes). Is there any
way to get such a url outside of a wicket component / request cycle?

2) I have my custom WebRequestCycle for spanning a transaction around
every wicket request, rolling it back on errors, comitting it at the
end of the request. Problem: in the onEndRequest method there is quite
a chance that an (technical) error occurs (database exception while
committing). I want to forward to an error page in these cases.
setResponsePage doesn't do anything at that point, redirectTo can fail
if it's a redirect already. Any chance to safely go to an error page
at that point in the request cycle? Or another way to implement such a
request-specific strategy with correct error handling? (I could omit
the transaction around every web request, because I have them around
my service methods anyway, but I like that strategy because if
something goes wrong somewhere, I like to roll back the whole
request's transaction just to be sure)

Thanks a lot!
Ralf

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[Wicket-user] AjaxSelfUpdatingTimerBehaviour problems

2006-08-09 Thread Per Ejeklint

Folks,I have an index page (listing a number of devices) with a self-updating table using AjaxSelfUpdatingTimerBehaviour like this:		WebMarkupContainer tblContainer = new WebMarkupContainer("taptable");		tblContainer.add(new AjaxSelfUpdatingTimerBehavior(Duration.seconds(4)));		tblContainer.setOutputMarkupId(true);		add(tblContainer);		// Table stuff follows...It works just fine. But when I click on a link in the table witch creates a new popup page displaying details for a device, the self-updating of the index page stops and I have to refresh the index page to get the self-updating behaviour going again. Looking at the Wicket Ajax Debug I see this:IERROR: malformed response envelope: could not find root ajax-response element INFO: invoking failure handler...ERROR: error while processing response: TypeError: root has no properties.root has no properties INFO: invoking failure handler...And then nothing more.Am I missing something? Or is it a bug? Safari and Firefox behaves the same./Per-
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Re: [Wicket-user] Wicket URLs without request cycle / Errors in onEndRequest

1) I want to generate a url for a wicket page without a request cycle.I can access the web application, but no request is active (think
about a mail notification from a headless scheduled service containinga wicket link). I don't want to hardwire the link in the code, I wouldlike to refer to the class + pageparameters (so the url generation
still works, even if the url encoding strategy changes). Is there anyway to get such a url outside of a wicket component / request cycle?What do you want to do with that url?I guess you want to generate a bookmarkable url ?
The problem is that you really need a request cycle. Because that is used for all kinds of stuffSo can;t you just mockup one?
2) I have my custom WebRequestCycle for spanning a transaction aroundevery wicket request, rolling it back on errors, comitting it at theend of the request. Problem: in the onEndRequest method there is quitea chance that an (technical) error occurs (database exception while
committing). I want to forward to an error page in these cases.setResponsePage doesn't do anything at that point, redirectTo can failif it's a redirect already. Any chance to safely go to an error pageat that point in the request cycle? Or another way to implement such a
request-specific strategy with correct error handling? (I could omitthe transaction around every web request, because I have them aroundmy service methods anyway, but I like that strategy because ifsomething goes wrong somewhere, I like to roll back the whole
request's transaction just to be sure)No this is not possible. In onEndRequest of request cycle you can't serve anotherpage again. Because everying is already committed to response of the web request.
(like redirect url)If you want this kind of behaviour you can do it in a common base page and thenin the method onAfterRender() of the page.johan
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Re: [Wicket-user] Dynamic Markup

dont push component resolvers to much because i think we need to drop that or greatly change it in 2.0johanOn 8/8/06, Eelco Hillenius 
[EMAIL PROTECTED] wrote:On 8/8/06, Eelco Hillenius 
[EMAIL PROTECTED] wrote: markup is cached, but you can tweak that by tweaking MarkupResourceStreamLookupResult, setCacheKey and setDisableCaching specifically. Furthermore, instead of adding your components in that for loop, you
 should rather use a ListView or repeater.Or rather some factory that ensures you map the right ids etc. Unlessyou use component resolvers which is something I don't know much aboutmyself currently.
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Re: [Wicket-user] Dynamic Markup

Okay, let's forget about this feature in that case.

Eelco


On 8/9/06, Johan Compagner [EMAIL PROTECTED] wrote:
 dont push component resolvers to much because i think we need to drop that
 or greatly change it in 2.0

 johan



 On 8/8/06, Eelco Hillenius  [EMAIL PROTECTED] wrote:
 
 On 8/8/06, Eelco Hillenius  [EMAIL PROTECTED] wrote:
  markup is cached, but you can tweak that by tweaking
  MarkupResourceStreamLookupResult, setCacheKey and
 setDisableCaching
  specifically.
 
  Furthermore, instead of adding your components in that for loop, you
  should rather use a ListView or repeater.

 Or rather some factory that ensures you map the right ids etc. Unless
 you use component resolvers which is something I don't know much about
 myself currently.

 Eelco

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[Wicket-user] Ajax Submit default to Non Ajax Submit ?

2006-08-09 Thread Pierre-Yves Saumont

Hello,

I am still trying to make my Ajax form working, with no success until 
now. I have made a simple example that works in a standalone page. I 
have then copied this example in a page of my app, and it don't work.

What is surprising is that no code in the Ajax OnSubmit handler is 
executed, although the result component is updated with the values form 
the form. As the page is also flashing in the browser, my guess is that 
if Ajax submit don't work, Wicket default to non Ajax submit with the 
page redisplaying. Is that right?

If it is, can you give me some indications about why an Ajax submit 
handler that work in a page would not work in another one?

Thanks,

Pierre-Yves


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[Wicket-user] 业务！寻找合作伙伴！

2006-08-09 Thread szgw1717sz

 贵公司负责人(经理/财务）您好： 
 我是深圳市中信实业有限公司;每月有增值税电脑发票、海关缴款书和普通商品销售税发票
 （电脑运输、其它服务，广告，租赁业）优惠向外代开或合作，点数较低.更希望能够有机会与
 贵公司合作！如贵司在发票的真伪方面有任何疑虑或担心，可上网查证或我司直接与贵司去税务
 局抵扣核对.彼此合作一次，必成永久朋友！多谢合作！如有打扰，敬请原谅。 
 此信息长期有效，如须进一步洽商: 
 详情请电(24小时业务热线):013424331717
 [EMAIL PROTECTED]
 联系人：陈志荣

 顺祝商祺！ 
  深圳市中信实业有限公司


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Re: [Wicket-user] Form + pull model ListView + FormValidators

This code is extremely ugly!Everytime you render the page the form gets a new FormValidator because everytime the listview is populated..Do setReuseItems(boolean reuseItems) to true on the ListView.And if you remove them yourself you should be able to also delete the validator from the form
because that one is really not valid anymore...but that is a problem because there is no remove(validator) method i think...On 8/8/06, Joni Freeman
 [EMAIL PROTECTED] wrote:Consider following form which uses ListView with pull model.
public MyForm extends Form {public MyForm(String id, IModel model) {super(id, model);add(new ListView(items) {public IModel getModel() {return new Model(
dao.findAll());}protected void populateItem(final ListItem item) {FormComponent text1 = new TextField(t1);FormComponent text2 = new TextField(t2);
item.add(text1);item.add(text2);MyForm.this.add(new MyFormValidator(text1, text2));}};}protected void onSubmit() {
// hello world!}}Now, the first submit is ok, but if the validation fails during thefirst submit and the user presses submit again, the whole form fails toCaused by: java.lang.IllegalStateException
: No Page found for component[MarkupContainer [Component id = TextField.text, page = No Page, path= 1:semester.length:start:TextField.text]]at wicket.Component.getPage(Component.java:1022)at wicket.Component.hasErrorMessage
(Component.java:1226)atwicket.markup.html.form.FormComponent.isValid(FormComponent.java:442)...Why? Because the Form instance contains FormValidators which referenceold instances of FormComponents. These old instances are not in a Form
after the first submit because the ListView uses pull model andtherefore can't call setReuseItems(true);So, it seems that it is not possible to use pull model ListView in aForm?Joni
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Re: [Wicket-user] Form + pull model ListView + FormValidators