a4j:poll exception after session close
svkap Jan 8, 2013 3:47 PMHi.
I am using RF 4.1 final and Mojarra 2.1.7.
I have the following scenario:
1. User connects to the site.
2. Session expires (user connetion problem, server restart, etc.)
3. User doesn't change the page (a4j:poll JS is still working)
4. After user reconnects the web page is not refreshed by a4j:poll and I get the following exception:
java.lang.IllegalArgumentException: null source at java.util.EventObject.<init>(EventObject.java:56) at javax.faces.event.SystemEvent.<init>(SystemEvent.java:71) at javax.faces.event.ComponentSystemEvent.<init>(ComponentSystemEvent.java:73) at javax.faces.event.PostRestoreStateEvent.<init>(PostRestoreStateEvent.java:73) at com.sun.faces.lifecycle.RestoreViewPhase.deliverPostRestoreStateEvent(RestoreViewPhase.java:271) at com.sun.faces.lifecycle.RestoreViewPhase.execute(RestoreViewPhase.java:257) at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101) at com.sun.faces.lifecycle.RestoreViewPhase.doPhase(RestoreViewPhase.java:116) at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:118) at javax.faces.webapp.FacesServlet.service(FacesServlet.java:593) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:99) at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:931) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407) at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1004) at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:589) at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:310) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603) at java.lang.Thread.run(Thread.java:722)
I couldn't find information on the subject but I guess it is a common problem and there should be a solution (I hope).