Five modal windows? At the same time? It might be that you are running
out of pagemaps.

This is very weird, hovewer, seems to be reproducable. Can you post a
quickstart? Also, could you check if this is working with wicket 1.3?

-Matej

On 7/18/07, Laurent Brucher <[EMAIL PROTECTED]> wrote:
> Cookies have been cleared many times, without any success ;-)
>
> But I found out what is "causing" (directly or indirectly) the problem:
> In the page that includes the ajax button that is used to bring up the modal
> window, there is a <wicket:head> section at the top of the page.
> If I remove this <wicket:head> section, there is no problem with the modal
> window anymore.
>
> The page globally looks like:
> <html>
> <head>
> ...
> </head>
> <body>
>     <wicket:head>...</wicket:head>
>     <wicket:extend>
>     ....
>     </wicket:extend>
> </body>
> </html>
>
> Somehow, I've noticed that including the <wicket:head> triggers an
> additional HTTP request to the same URL (that is, the URL to display the
> above page).
> Dunno why this is happening but the end result is that the pagemap then
> contains 2 versions for the same page ID.
> Then, when I hit the button that brings up the modal window, the framework
> is trying to access the above page, version 0. This has the effect of
> putting that page's version at the top of the pagemap's access stack
> (PageMap.access() method). By doing this, the version 1 of the page is
> removed from the access stack, but also the page itself (call to
> PageMap.remove(Page)).
> Thus, once the modal window gets closed and the original page needs to be
> rendered, we get a page expired since it was removed from the cache.
>
> That's as far as I can describe what I've seen & understood tracing the
> code.
> I'm not sure where the problem lies: second request because of the
> <wicket:head> or incorrectly evicting the page.
>
> Maybe there is something funky in my own code but I don't see what. Or maybe
> there is an issue here.
> Any input would be helpful at this point.
>
> Thanks!
> Laurent.
>
>
>
>   _____
>
> From: Igor Vaynberg [mailto:[EMAIL PROTECTED]
> Sent: mercredi 18 juillet 2007 8:50
> To: [EMAIL PROTECTED]; wicket-user@lists.sourceforge.net
> Subject: Re: [Wicket-user] Modal Window and "Page Expired".
>
>
> On 7/13/07, Laurent Brucher <[EMAIL PROTECTED]> wrote:
>
> Hi all,
>
> There was a post last December about the same problem that I'm facing right
> now, which is getting a page expired error page after I close a modal
> window.
> The post was called "Firefox and ModalWindow" and seemed to talk about the
> issue for FF only.
> I've encountered the problem first with FF (2.0.0.4). After reading the
> post, I tried with IE7 and it worked ok (that was this afternoon).
> This evening, neither IE7 or FF work anymore. Darn! Clearing cookies and
> stuff don't change a thing.
> Oh, and of course, the Ajax ModalWindow example works just fine (my code is
> heavily inspired from that example)...
> I'm using Wicket 1.2.6, Tomcat 5.5.20, Jdk1.6u2.
>
> Have you guys shed any light on this issue at all?
> I've tried to trace the code, but as I'm rather new to Wicket, I couldn't
> really figure out what's going on...
>
> Anything I can do to help address this?
>
>
> i wonder, clear cookies in firefox and try again. i know there was a similar
> problem if you didnt set the cookie name in the modal window using
> setcookiename(), but looks like you did that. still, try clearing the
> cookies.
>
> -igor
>
>
>
>
>
> Below is the code I use, just in case.
>
> Reagrds,
> Laurent.
>
>
> // Page containing the modal window
> public class MainPage extends WebPage {
>     public MainPage()
>     {
>         ...
>         add( new PreferredStationsDialog("prefStationsDialog") );
>                 ...
>         }
> }
>
> // The modal window impl.
> public class PreferredStationsDialog extends ModalWindow {
>     public PreferredStationsDialog(String id)
>     {
>         super(id);
>
>         setTitle("xyz");
>         setCookieName("prefStationsDialog");
>         setPageMapName("prefStationsDialogPageMap");
>         setPageCreator( new ModalWindow.PageCreator() {
>             @Override
>             public Page createPage() {
>                 return new
> PreferredStationsDialogPage(PreferredStationsDialog.this);
>             }
>         });
>
>         setCloseButtonCallback(new ModalWindow.CloseButtonCallback() {
>             public boolean onCloseButtonClicked(AjaxRequestTarget target) {
>                 return true;
>             }
>         });
>     }
> }
>
> // The content of the modal window, as a Page
> public class PreferredStationsDialogPage extends WebPage
> {
>     public PreferredStationsDialogPage( final PreferredStationsDialog dialog
> )
>     {
>         super();
>
>         add( new AjaxLink("button.save") {
>             @Override
>             public void onClick(AjaxRequestTarget target) {
>                 dialog.close(target);
>             }
>         }.add( new Label("text", "Save")) );
>
>         add( new AjaxLink("button.cancel" ) {
>             @Override
>             public void onClick(AjaxRequestTarget target) {
>                 dialog.close(target);
>             }
>         }.add( new Label("text", "Cancel")) );
>     }
> }
>
>
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