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https://issues.apache.org/jira/browse/WICKET-4077?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13112451#comment-13112451
]
Andrea Del Bene commented on WICKET-4077:
-----------------------------------------
Hi,
check your log file for a message like "Error serializing object <class name>
[object=<object.toString()>]...". Maybe you have a page which cannot be
serialized correctly.
> Error detaching RequestCycle listener after serialization failure
> -----------------------------------------------------------------
>
> Key: WICKET-4077
> URL: https://issues.apache.org/jira/browse/WICKET-4077
> Project: Wicket
> Issue Type: Bug
> Components: wicket
> Affects Versions: 1.5.0
> Environment: Windows 7 Ultimate, Tomcat 6.0.32
> Reporter: Martin Asenov
> Priority: Minor
>
> Error detaching RequestCycle listener is produced after
> org.apache.wicket.serialize.java.JavaSerializer.serialize(Object) returns
> null.
> Below is the stacktrace of the error:
> 20-09-2011 16:46:44,875 ERROR
> org.apache.wicket.request.cycle.RequestCycleListenerCollection$3.notify:105 -
> Error detaching request cycle listener:
> org.apache.wicket.Application$2@b45ad3d
> java.lang.IllegalArgumentException: Argument 'data' may not be null.
> at org.apache.wicket.util.lang.Args.notNull(Args.java:39)
> at
> org.apache.wicket.pageStore.AsynchronousDataStore$Entry.<init>(AsynchronousDataStore.java:271)
> at
> org.apache.wicket.pageStore.AsynchronousDataStore.storeData(AsynchronousDataStore.java:215)
> at
> org.apache.wicket.pageStore.DefaultPageStore.storePageData(DefaultPageStore.java:115)
> at
> org.apache.wicket.pageStore.DefaultPageStore.storePage(DefaultPageStore.java:144)
> at
> org.apache.wicket.page.PageStoreManager$PersistentRequestAdapter.storeTouchedPages(PageStoreManager.java:377)
> at
> org.apache.wicket.page.RequestAdapter.commitRequest(RequestAdapter.java:171)
> at
> org.apache.wicket.page.AbstractPageManager.commitRequest(AbstractPageManager.java:94)
> at
> org.apache.wicket.page.PageManagerDecorator.commitRequest(PageManagerDecorator.java:68)
> at
> org.apache.wicket.page.PageAccessSynchronizer$2.commitRequest(PageAccessSynchronizer.java:213)
> at org.apache.wicket.Application$2.onDetach(Application.java:1552)
> at
> org.apache.wicket.request.cycle.RequestCycleListenerCollection$3.notify(RequestCycleListenerCollection.java:101)
> at
> org.apache.wicket.request.cycle.RequestCycleListenerCollection$3.notify(RequestCycleListenerCollection.java:97)
> at
> org.apache.wicket.util.listener.ListenerCollection.reversedNotify(ListenerCollection.java:121)
> at
> org.apache.wicket.util.listener.ListenerCollection.reversedNotify(ListenerCollection.java:112)
> at
> org.apache.wicket.request.cycle.RequestCycleListenerCollection.onDetach(RequestCycleListenerCollection.java:95)
> at
> org.apache.wicket.request.cycle.RequestCycle.onDetach(RequestCycle.java:542)
> at
> org.apache.wicket.request.cycle.RequestCycle.detach(RequestCycle.java:481)
> at
> org.apache.wicket.request.cycle.RequestCycle.processRequestAndDetach(RequestCycle.java:257)
> at
> org.apache.wicket.protocol.http.WicketFilter.processRequest(WicketFilter.java:162)
> at
> org.apache.wicket.protocol.http.WicketFilter.doFilter(WicketFilter.java:218)
> at
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
> at
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
> at
> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:224)
> at
> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:185)
> at
> org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)
> at
> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:151)
> at
> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:100)
> at
> org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:929)
> at
> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
> at
> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:405)
> at
> org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:269)
> at
> org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:515)
> at
> org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:302)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
> at java.lang.Thread.run(Thread.java:662)
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