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https://issues.apache.org/jira/browse/WICKET-6399?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16051867#comment-16051867
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Andrea Del Bene commented on WICKET-6399:
-----------------------------------------
[~forchel] thank you for the quick reply!
> Dequeuing of Border component with nested body fails
> ----------------------------------------------------
>
> Key: WICKET-6399
> URL: https://issues.apache.org/jira/browse/WICKET-6399
> Project: Wicket
> Issue Type: Bug
> Components: wicket
> Affects Versions: 7.7.0
> Reporter: Dirk Forchel
> Assignee: Andrea Del Bene
> Fix For: 6.27.0, 7.8.0, 8.0.0-M7
>
> Attachments: myproject2.zip, testproject3.zip, testproject.zip
>
>
> Accessing a page with a Border component and a nested body a second time
> fails due to dequeuing problem. Find attached quickstarts (both with the same
> error) to reproduce the problem. First request to
> http://localhost:8080/test3.html succeeds while the second request to the
> same URL fails with the following WicketRuntimeException:
> org.apache.wicket.WicketRuntimeException: Detach called on component with id
> 'layout' while it had a non-empty queue: ComponentQueue{queueSize=1,
> queue=[[BorderBodyContainer [Component id = layout_body]], null, null, null,
> null, null, null, null]}
> at org.apache.wicket.MarkupContainer.onDetach(MarkupContainer.java:1943)
> at org.apache.wicket.Component.detach(Component.java:1163)
> at
> org.apache.wicket.MarkupContainer.detachChildren(MarkupContainer.java:1761)
> at org.apache.wicket.Component.detach(Component.java:1187)
> at
> org.apache.wicket.MarkupContainer.detachChildren(MarkupContainer.java:1761)
> at org.apache.wicket.Component.detach(Component.java:1187)
> at
> org.apache.wicket.core.request.handler.PageProvider.detach(PageProvider.java:330)
> at
> org.apache.wicket.core.request.handler.RenderPageRequestHandler.detach(RenderPageRequestHandler.java:156)
> at
> org.apache.wicket.request.cycle.RequestCycle$HandlerExecutor.detach(RequestCycle.java:906)
> at
> org.apache.wicket.request.RequestHandlerStack.detach(RequestHandlerStack.java:180)
> at
> org.apache.wicket.request.cycle.RequestCycle.onDetach(RequestCycle.java:641)
> at
> org.apache.wicket.request.cycle.RequestCycle.detach(RequestCycle.java:594)
> at
> org.apache.wicket.request.cycle.RequestCycle.processRequestAndDetach(RequestCycle.java:297)
> at
> org.apache.wicket.protocol.http.WicketFilter.processRequestCycle(WicketFilter.java:261)
> at
> org.apache.wicket.protocol.http.WicketFilter.processRequest(WicketFilter.java:203)
> at
> org.apache.wicket.protocol.http.WicketFilter.doFilter(WicketFilter.java:284)
> at
> org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1652)
> at
> org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:585)
> at
> org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143)
> at
> org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:577)
> at
> org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:223)
> at
> org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1127)
> at
> org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:515)
> at
> org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:185)
> at
> org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1061)
> at
> org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
> at
> org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:215)
> at
> org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:110)
> at
> org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:97)
> at org.eclipse.jetty.server.Server.handle(Server.java:499)
> at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:310)
> at
> org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:257)
> at
> org.eclipse.jetty.io.AbstractConnection$2.run(AbstractConnection.java:540)
> at
> org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:635)
> at
> org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:555)
> at java.lang.Thread.run(Thread.java:748)
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