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https://issues.apache.org/jira/browse/WICKET-589?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Alastair Maw resolved WICKET-589.
---------------------------------
Resolution: Cannot Reproduce
Fix Version/s: (was: 1.3.0-rc1)
1.3.0-beta2
I'm considering it an artefact of trunk development, rather than something that
should make the changelog, anyway, so this is getting marked cannot reproduce.
> problem with Ajax and rendering
> -------------------------------
>
> Key: WICKET-589
> URL: https://issues.apache.org/jira/browse/WICKET-589
> Project: Wicket
> Issue Type: Bug
> Components: wicket
> Environment: wicket build from svn trunk revision 540588
> Reporter: Xavier Hanin
> Assignee: Matej Knopp
> Fix For: 1.3.0-beta2
>
>
> Problem description copied from the mailing list:
> After upgrading from wicket 1.3 beta 1 to a build based on revision 540588, I
> get the following error message:
> 18:49:19.245 [btpool0-2] ERROR org.apache.wicket.RequestCycle - The
> component(s) below failed to render. A common problem is that you have
> added a component in code but forgot to reference it in the markup
> (thus the component will never be rendered).
> 1. [MarkupContainer [Component id = progressBarStylesheet, page =
> org.xoocode.xooctory.web.pages.dashboard.Dashboard, path =
> 2:projects-panel:projects:6:leftTimePanel:progressBar:progressBarStylesheet.StyleSheetReference,
> isVisible = true, isVersioned = false]]
> The problem is that the component is properly added, and it worked
> before upgrading, so...
> So I've tried to track down the problem, and I've not found the source
> of the problem. As a workaround I disable check rendering with:
> getDebugSettings().setComponentUseCheck(false);
> Then everything works properly, and the component (a style sheet) is
> properly rendered.
> Let me explain a little bit more the situation in which the problem occurs.
> The component which is causing the problem is a StyleSheetReference
> added to a panel. The markup contains the corresponding link in a
> wicket:head section.
> The panel is invisible when the page is loaded, but then I use an ajax
> link to trigger an action, which later triggers the visibility of this
> component to true. Then this component is refreshed by an AjaxTimer
> (actually I use wicket-contrib-push, but I don't think it really makes
> a difference, since it's using a simple AbstractAjaxTimerBehavior
> underneath). And that's when the component is rendered that the check
> rendering is failing. Some analysis shown that there's a
> StyleSheetReference with the good id in the renderedComponent
> attribute of Page, but it isn't the exact same StyleSheetReference
> instance as the one checked by the checkRendering method. For the
> moment I haven't managed to really see why I have two instances, what
> doesn't help is that it seems that when I debug, the problem goes away
> depending on the occurence of other timer based ajax requests.
> For more details the sources are available here:
> ProgressBar.java
> http://www.xoocode.org/wsvn/xoocode/org.xoocode.xooctory/trunk/xooctory/src/main/java/org/xoocode/xooctory/web/component/ProgressBar.java?op=file&rev=189&sc=0
> ProgressBar.html
> http://www.xoocode.org/wsvn/xoocode/org.xoocode.xooctory/trunk/xooctory/src/main/java/org/xoocode/xooctory/web/component/ProgressBar.html?op=file&rev=166&sc=0
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