[
https://issues.apache.org/jira/browse/WICKET-6374?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Andrea Del Bene reassigned WICKET-6374:
---------------------------------------
Assignee: Andrea Del Bene
> Exception caused by border extending another border with <wicket:extend>
> ------------------------------------------------------------------------
>
> Key: WICKET-6374
> URL: https://issues.apache.org/jira/browse/WICKET-6374
> Project: Wicket
> Issue Type: Bug
> Components: wicket
> Affects Versions: 7.7.0, 8.0.0-M5
> Reporter: Erik Wienhold
> Assignee: Andrea Del Bene
> Attachments: myproject.tar.gz
>
>
> Border components extended from a custom border component with
> {{<wicket:extend>}} fail to render in 7.7.0 (see stacktrace) and 8.0.0-M5. It
> renders fine with 7.6.0. The upgrade to 7.7.0 is necessary to get the fix for
> https://issues.apache.org/jira/browse/WICKET-6303.
> {noformat}
> org.apache.wicket.WicketRuntimeException: An error occurred while detaching
> component: [MyExtendedBorder [Component id = border, page =
> com.mycompany.HomePage, path = border, type = com.mycompany.MyExtendedBorder,
> isVisible = true, isVersioned = true, markup = [markup =
> file:/home/janedoe/myproject/target/classes/com/mycompany/HomePage.html
> <div wicket:id="border">[body]</div>, index = 0, current = '<div
> wicket:id="border">' (line 0, column 0)]], children = [BorderBodyContainer
> [Component id = border_body]]]
> at org.apache.wicket.Component.detach(Component.java:1182)
> 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.HandlerWrapper.handle(HandlerWrapper.java:97)
> at org.eclipse.jetty.server.Server.handle(Server.java:499)
> at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:311)
> at
> org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:257)
> at
> org.eclipse.jetty.io.AbstractConnection$2.run(AbstractConnection.java:544)
> at
> org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:635)
> at
> org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:555)
> at java.lang.Thread.run(Thread.java:745)
> Caused by: org.apache.wicket.WicketRuntimeException: Detach called on
> component with id 'border' while it had a non-empty queue:
> ComponentQueue{queueSize=1, queue=[[BorderBodyContainer [Component id =
> border_body]], null, null, null, null, null, null, null]}
> at org.apache.wicket.MarkupContainer.onDetach(MarkupContainer.java:1943)
> at org.apache.wicket.Component.detach(Component.java:1163)
> ... 30 more
> Caused by:
> org.apache.wicket.WicketRuntimeException: Detach called on component with id
> 'border' while it had a non-empty queue: ComponentQueue{queueSize=2,
> queue=[[BorderBodyContainer [Component id = border_body]], null, null, null,
> null, null, null, null]}
> at org.apache.wicket.MarkupContainer.onDetach(MarkupContainer.java:1943)
> at org.apache.wicket.Component.detach(Component.java:1163)
> at
> org.apache.wicket.MarkupContainer.detachChildren(MarkupContainer.java:1761)
> at org.apache.wicket.Component.detach(Component.java:1187)
> at
> org.apache.wicket.core.request.handler.PageProvider.detach(PageProvider.java:330)
> at
> org.apache.wicket.core.request.handler.RenderPageRequestHandler.detach(RenderPageRequestHandler.java:156)
> at
> org.apache.wicket.request.cycle.RequestCycle$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.HandlerWrapper.handle(HandlerWrapper.java:97)
> at org.eclipse.jetty.server.Server.handle(Server.java:499)
> at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:311)
> at
> org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:257)
> at
> org.eclipse.jetty.io.AbstractConnection$2.run(AbstractConnection.java:544)
> 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:745)
> {noformat}
> The class hierarchy is as follows:
> {code:java}
> class MyBorder extends Border
> class MyExtendedBorder extends MyBorder
> {code}
> {{MyBorder}} uses {{<wicket:border>}} and includes {{<wicket:body/>}} and
> {{<wicket:child/>}}. {{MyExtendedBorder}} uses {{<wicket:extend>}} and is
> used on the page.
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