Michel Trefcon created WICKET-6405:
--------------------------------------

             Summary: WicketRuntimeException: Detach called on component with 
id 'ulBorder' while it had a non-empty queue
                 Key: WICKET-6405
                 URL: https://issues.apache.org/jira/browse/WICKET-6405
             Project: Wicket
          Issue Type: Bug
          Components: wicket
    Affects Versions: 7.7.0, 7.8.0
            Reporter: Michel Trefcon
         Attachments: JQTULBorder.html, RacketSidePanel.html

Following exception occurs in 7.7.0 and 7.8.0-SNAPSHOT but it works fine with 
7.6.0. 
This exception seems to be closed to 
[https://issues.apache.org/jira/browse/WICKET-6374]

Please find in attachment the HTML structure (ulBorder id is a JQTULBorder 
instance) . 

{{org.apache.wicket.WicketRuntimeException: Detach called on component with id 
'ulBorder' while it had a non-empty queue: ComponentQueue{queueSize=1, 
queue=[[BorderBodyContainer [Component id = ulBorder_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:1307)
        at 
org.eclipse.jetty.servlets.UserAgentFilter.doFilter(UserAgentFilter.java:82)
        at org.eclipse.jetty.servlets.GzipFilter.doFilter(GzipFilter.java:243)
        at 
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1307)
        at 
com.tnmtechnologies.pingpocket.j2ee.servlet.HttpsRedirectionFilter.doFilter(HttpsRedirectionFilter.java:56)
        at 
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1307)
        at 
org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:453)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:137)
        at 
org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:560)
        at 
org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:231)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1072)
        at 
org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:382)
        at 
org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:193)
        at 
org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1006)
        at 
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:135)
        at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:116)
        at org.eclipse.jetty.server.Server.handle(Server.java:365)
        at 
org.eclipse.jetty.server.AbstractHttpConnection.handleRequest(AbstractHttpConnection.java:485)
        at 
org.eclipse.jetty.server.AbstractHttpConnection.headerComplete(AbstractHttpConnection.java:926)
        at 
org.eclipse.jetty.server.AbstractHttpConnection$RequestHandler.headerComplete(AbstractHttpConnection.java:988)
        at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:635)
        at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:235)
        at 
org.eclipse.jetty.server.AsyncHttpConnection.handle(AsyncHttpConnection.java:82)
        at 
org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:628)
        at 
org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:52)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:608)
        at 
org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:543)
        at java.lang.Thread.run(Thread.java:745)}}



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