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https://issues.apache.org/jira/browse/WICKET-6022?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sven Meier updated WICKET-6022:
-------------------------------
Assignee: Sven Meier
Priority: Minor (was: Major)
This is what you get for fiddling with Ajax channels :P
IMHO this is not a bug: You should take care that your Ajax requests on
difference channels do not interfere on the server side.
If the duration of your Ajax requests force you to make them asynchronous to
the others, you should think about a polling or push solution.
Perhaps you can describe what you actually want to achieve?
> ComponentNotFoundException using AbstractAjaxTimerBehavior and different
> AjaxChanels
> ------------------------------------------------------------------------------------
>
> Key: WICKET-6022
> URL: https://issues.apache.org/jira/browse/WICKET-6022
> Project: Wicket
> Issue Type: Bug
> Components: wicket
> Affects Versions: 6.20.0
> Reporter: Paul
> Assignee: Sven Meier
> Priority: Minor
> Attachments: quickstart.zip
>
>
> I've got the following problem:
> I use several Ajax-Channels for my Project. When an AbstractAjaxTimerBehavior
> is attached to a element which is later removed via Ajax, I get a little
> later a RuntimeException, as the Timer is still active, but has no Component
> left attached to the page.
> I attached a Quickstart demonstrating this problem. If you leave the
> AjaxChannel as it is, you won't have the problem, as the timers are stopped
> upon removal of the component the timer is attached to. But if the name of
> the channel differs from the default value, this problem occurs.
> Cheers
> Paul
> {quote}
> Stacktrace:
> Root cause:
> org.apache.wicket.core.request.handler.ComponentNotFoundException: Component
> 'panel:timer' has been removed from page.
> at
> org.apache.wicket.core.request.handler.ListenerInterfaceRequestHandler.respond(ListenerInterfaceRequestHandler.java:178)
> at
> org.apache.wicket.request.cycle.RequestCycle$HandlerExecutor.respond(RequestCycle.java:890)
> at
> org.apache.wicket.request.RequestHandlerStack.execute(RequestHandlerStack.java:64)
> at
> org.apache.wicket.request.cycle.RequestCycle.execute(RequestCycle.java:261)
> at
> org.apache.wicket.request.cycle.RequestCycle.processRequest(RequestCycle.java:218)
> at
> org.apache.wicket.request.cycle.RequestCycle.processRequestAndDetach(RequestCycle.java:289)
> at
> org.apache.wicket.protocol.http.WicketFilter.processRequestCycle(WicketFilter.java:259)
> at
> org.apache.wicket.protocol.http.WicketFilter.processRequest(WicketFilter.java:201)
> at
> org.apache.wicket.protocol.http.WicketFilter.doFilter(WicketFilter.java:282)
> at
> org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1291)
> at
> org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:443)
> at
> org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:137)
> at
> org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:556)
> at
> org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:227)
> at
> org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1044)
> at
> org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:372)
> at
> org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:189)
> at
> org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:978)
> 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:369)
> at
> org.eclipse.jetty.server.AbstractHttpConnection.handleRequest(AbstractHttpConnection.java:486)
> at
> org.eclipse.jetty.server.BlockingHttpConnection.handleRequest(BlockingHttpConnection.java:53)
> at
> org.eclipse.jetty.server.AbstractHttpConnection.headerComplete(AbstractHttpConnection.java:933)
> at
> org.eclipse.jetty.server.AbstractHttpConnection$RequestHandler.headerComplete(AbstractHttpConnection.java:995)
> at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:644)
> at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:235)
> at
> org.eclipse.jetty.server.BlockingHttpConnection.handle(BlockingHttpConnection.java:72)
> at
> org.eclipse.jetty.server.bio.SocketConnector$ConnectorEndPoint.run(SocketConnector.java:264)
> 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(Unknown Source)
> {quote}
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