Also, what conditions can trigger the session to expire/invalidate? I seem to be getting random session expirations ( my <session-timeout> is set to 60 )
Error is below:
WicketMessage: Method onNewBrowserWindow of interface wicket.markup.html.INewBrowserWindowListener targeted at component [Page class = wicket.markup.html.pages.InternalErrorPage, id = 5] threw an exception
Root cause:
java.lang.NullPointerException
at wicket.PageMap.removeEntry(PageMap.java:335)
at wicket.PageMap$1.entry(PageMap.java:197)
at wicket.PageMap.visitEntries(PageMap.java:580)
at wicket.PageMap.clear(PageMap.java:193)
at wicket.PageMap.remove(PageMap.java:308)
at wicket.Session.newPageMap(Session.java:581)
at wicket.Session.createAutoPageMap(Session.java:474)
at wicket.markup.html.WebPage.onNewBrowserWindow(WebPage.java:343)
at java.lang.reflect.Method.invoke(Method.java:585)
at wicket.RequestListenerInterface.invoke(RequestListenerInterface.java:163)
at wicket.request.target.component.listener.ListenerInterfaceRequestTarget.processEvents(ListenerInterfaceRequestTarget.java:74)
at wicket.request.compound.DefaultEventProcessorStrategy.processEvents(DefaultEventProcessorStrategy.java:65)
at wicket.request.compound.AbstractCompoundRequestCycleProcessor.processEvents(AbstractCompoundRequestCycleProcessor.java:57)
at wicket.RequestCycle.doProcessEventsAndRespond(RequestCycle.java:846)
at wicket.RequestCycle.processEventsAndRespond(RequestCycle.java:879)
at wicket.RequestCycle.step(RequestCycle.java:960)
at wicket.RequestCycle.steps(RequestCycle.java:1034)
at wicket.RequestCycle.request(RequestCycle.java:453)
at wicket.protocol.http.WicketServlet.doGet(WicketServlet.java:215)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:697)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:810)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:202)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
at org.jboss.web.tomcat.security.CustomPrincipalValve.invoke(CustomPrincipalValve.java:54)
at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:174)
at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:74)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
at org.apache.jk.server.JkCoyoteHandler.invoke(JkCoyoteHandler.java:199)
at org.apache.jk.common.HandlerRequest.invoke(HandlerRequest.java:282)
at org.apache.jk.common.ChannelSocket.invoke(ChannelSocket.java:754)
at org.apache.jk.common.ChannelSocket.processConnection(ChannelSocket.java:684)
at org.apache.jk.common.ChannelSocket$SocketConnection.runIt(ChannelSocket.java:876)
at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
at java.lang.Thread.run(Thread.java:595)
Complete stack:
wicket.WicketRuntimeException: Method onNewBrowserWindow of interface wicket.markup.html.INewBrowserWindowListener targeted at component [Page class = wicket.markup.html.pages.InternalErrorPage, id = 5] threw an exception
at wicket.RequestListenerInterface.invoke(RequestListenerInterface.java:174)
at wicket.request.target.component.listener.ListenerInterfaceRequestTarget.processEvents(ListenerInterfaceRequestTarget.java:74)
at wicket.request.compound.DefaultEventProcessorStrategy.processEvents(DefaultEventProcessorStrategy.java:65)
at wicket.request.compound.AbstractCompoundRequestCycleProcessor.processEvents(AbstractCompoundRequestCycleProcessor.java:57)
at wicket.RequestCycle.doProcessEventsAndRespond(RequestCycle.java:846)
at wicket.RequestCycle.processEventsAndRespond(RequestCycle.java:879)
at wicket.RequestCycle.step(RequestCycle.java:960)
at wicket.RequestCycle.steps(RequestCycle.java:1034)
at wicket.RequestCycle.request(RequestCycle.java:453)
at wicket.protocol.http.WicketServlet.doGet(WicketServlet.java:215)
java.lang.reflect.InvocationTargetException
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at java.lang.reflect.Method.invoke(Method.java:585)
at wicket.RequestListenerInterface.invoke(RequestListenerInterface.java:163)
at wicket.request.target.component.listener.ListenerInterfaceRequestTarget.processEvents(ListenerInterfaceRequestTarget.java:74)
at wicket.request.compound.DefaultEventProcessorStrategy.processEvents(DefaultEventProcessorStrategy.java:65)
at wicket.request.compound.AbstractCompoundRequestCycleProcessor.processEvents(AbstractCompoundRequestCycleProcessor.java:57)
at wicket.RequestCycle.doProcessEventsAndRespond(RequestCycle.java:846)
at wicket.RequestCycle.processEventsAndRespond(RequestCycle.java:879)
at wicket.RequestCycle.step(RequestCycle.java:960)
at wicket.RequestCycle.steps(RequestCycle.java:1034)
at wicket.RequestCycle.request(RequestCycle.java:453)
at wicket.protocol.http.WicketServlet.doGet(WicketServlet.java:215)
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