why dont you set a breakpoint for classcastexception and see what it is trying to cast to what.
-igor On Wed, Apr 22, 2009 at 3:52 AM, Daniel Fernandez <[email protected]> wrote: > Hello, > > I have a page which makes quite a heavy use of an > AbstractAjaxTimerBehavior for retrieving the content of some Panels > (and stops itself after the content is ready, like a sort of > "polling") and I am getting a very strange exception which only seems > to appear randomly: > > > ------------- > > 2009-04-22 12:21:30,592 ERROR [RequestCycle] (RequestCycle.java:1463) > - Method onResourceRequested of interface > org.apache.wicket.IResourceListener targeted at component > [MarkupContainer [Component id = content]] threw an exception > org.apache.wicket.WicketRuntimeException: Method onResourceRequested > of interface org.apache.wicket.IResourceListener targeted at component > [MarkupContainer [Component id = content]] threw an exception > at > org.apache.wicket.RequestListenerInterface.invoke(RequestListenerInterface.java:199) > at > org.apache.wicket.request.target.component.BookmarkableListenerInterfaceRequestTarget.processEvents(BookmarkableListenerInterfaceRequestTarget.java:163) > at > org.apache.wicket.request.AbstractRequestCycleProcessor.processEvents(AbstractRequestCycleProcessor.java:92) > at > org.apache.wicket.RequestCycle.processEventsAndRespond(RequestCycle.java:1192) > at org.apache.wicket.RequestCycle.step(RequestCycle.java:1271) > at org.apache.wicket.RequestCycle.steps(RequestCycle.java:1370) > at org.apache.wicket.RequestCycle.request(RequestCycle.java:501) > at > org.apache.wicket.protocol.http.WicketFilter.doGet(WicketFilter.java:455) > at > org.apache.wicket.protocol.http.WicketFilter.doFilter(WicketFilter.java:288) > at > org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215) > at > org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188) > at > org.springframework.orm.hibernate3.support.OpenSessionInViewFilter.doFilterInternal(OpenSessionInViewFilter.java:198) > at > org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76) > at > org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215) > at > org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188) > at > org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213) > at > org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:172) > at > org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127) > at > org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117) > at > org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:108) > at > org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:174) > at > org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:875) > at > org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:665) > at > org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:528) > at > org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:81) > at > org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:689) > at java.lang.Thread.run(Thread.java:619) > Caused by: java.lang.IllegalArgumentException: > java.lang.classcastexcept...@42ae5f > at sun.reflect.GeneratedMethodAccessor38.invoke(Unknown Source) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAc1cessorImpl.java:25) > at java.lang.reflect.Method.invoke(Method.java:597) > at > org.apache.wicket.RequestListenerInterface.invoke(RequestListenerInterface.java:182) > ... 26 more > > > ------------- > > > The problem is this I don't get more information than that, and I only > get the exception once each, say... 50 times I reload the page (I mean > "browser reload" = new page object). The other 49 times everything > works fine. It's quite random... > > Any clues? > > > Regards, > Daniel. > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [email protected] > For additional commands, e-mail: [email protected] > > --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
