dev@glassfish.java.net

java.util.ConcurrentModificationException

From: Derek Knapp <derek_at_itracmedia.com>
Date: Thu, 03 Mar 2011 04:08:15 -0500

I have a simple command button

<h:commandButton value="Create Form Event"
action="#{formEventController.createFormEvent}"/>

which calls the following simple action listener

public void createFormEvent(ActionEvent event)
{
     conversation.end();
     return "events?id=" + form.getId() + "&faces-redirect=true";
}

so basically I want a button that when clicked will end a conversation,
and then redirect to a new page...

this works ONCE, then every time after I see the following in my logs..
(from the users point of view, everything worked properly.. when the
button is clicked, the redirect works properly)

I'm not sure if this is a glassfish issue, or CDI, or Mojarra.. but I
figured I would try here 1st since I don't recall this problem when
using 3.0.1 (I am using 3.1 now)


SEVERE: java.util.ConcurrentModificationException
         at java.util.HashMap$HashIterator.nextEntry(HashMap.java:793)
         at java.util.HashMap$EntryIterator.next(HashMap.java:834)
         at java.util.HashMap$EntryIterator.next(HashMap.java:832)
         at
org.jboss.weld.context.AbstractConversationContext.deactivate(AbstractConversationContext.java:250)
         at
org.jboss.weld.jsf.WeldPhaseListener.deactivateConversations(WeldPhaseListener.java:131)
         at
org.jboss.weld.jsf.WeldPhaseListener.afterPhase(WeldPhaseListener.java:96)
         at com.sun.faces.lifecycle.Phase.handleAfterPhase(Phase.java:189)
         at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:107)
         at
com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:118)
         at javax.faces.webapp.FacesServlet.service(FacesServlet.java:312)
         at
org.apache.catalina.core.StandardWrapper.service(StandardWrapper.java:1534)
         at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:343)
         at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:215)
         at
net.balusc.http.multipart.MultipartFilter.doFilter(MultipartFilter.java:78)
         at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:256)
         at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:215)
         at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:279)
         at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
         at
org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:655)
         at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:595)
         at com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:98)
         at
com.sun.enterprise.web.PESessionLockingStandardPipeline.invoke(PESessionLockingStandardPipeline.java:91)
         at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:162)
         at
org.apache.catalina.connector.CoyoteAdapter.doService(CoyoteAdapter.java:326)
         at
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:227)
         at
com.sun.enterprise.v3.services.impl.ContainerMapper.service(ContainerMapper.java:170)
         at
com.sun.grizzly.http.ProcessorTask.invokeAdapter(ProcessorTask.java:822)
         at
com.sun.grizzly.http.ProcessorTask.doProcess(ProcessorTask.java:719)
         at
com.sun.grizzly.http.ProcessorTask.process(ProcessorTask.java:1013)
         at
com.sun.grizzly.http.DefaultProtocolFilter.execute(DefaultProtocolFilter.java:225)
         at
com.sun.grizzly.DefaultProtocolChain.executeProtocolFilter(DefaultProtocolChain.java:137)
         at
com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:104)
         at
com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:90)
         at
com.sun.grizzly.http.HttpProtocolChain.execute(HttpProtocolChain.java:79)
         at
com.sun.grizzly.ProtocolChainContextTask.doCall(ProtocolChainContextTask.java:54)
         at
com.sun.grizzly.SelectionKeyContextTask.call(SelectionKeyContextTask.java:59)
         at com.sun.grizzly.ContextTask.run(ContextTask.java:71)
         at
com.sun.grizzly.util.AbstractThreadPool$Worker.doWork(AbstractThreadPool.java:532)
         at
com.sun.grizzly.util.AbstractThreadPool$Worker.run(AbstractThreadPool.java:513)
         at java.lang.Thread.run(Thread.java:662)

SEVERE: WebModule[]PWC1322: Error invoking requestDestroyed method on
ServletRequestListener org.jboss.weld.servlet.WeldListener
java.lang.IllegalStateException: Context is not active
         at
org.jboss.weld.context.AbstractConversationContext.deactivate(AbstractConversationContext.java:263)
         at
org.jboss.weld.servlet.WeldListener.requestDestroyed(WeldListener.java:125)
         at
org.apache.catalina.core.StandardContext.fireRequestDestroyedEvent(StandardContext.java:4588)
         at
org.apache.catalina.core.StandardHostValve.postInvoke(StandardHostValve.java:243)
         at
org.apache.catalina.connector.CoyoteAdapter.doService(CoyoteAdapter.java:328)
         at
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:227)
         at
com.sun.enterprise.v3.services.impl.ContainerMapper.service(ContainerMapper.java:170)
         at
com.sun.grizzly.http.ProcessorTask.invokeAdapter(ProcessorTask.java:822)
         at
com.sun.grizzly.http.ProcessorTask.doProcess(ProcessorTask.java:719)
         at
com.sun.grizzly.http.ProcessorTask.process(ProcessorTask.java:1013)
         at
com.sun.grizzly.http.DefaultProtocolFilter.execute(DefaultProtocolFilter.java:225)
         at
com.sun.grizzly.DefaultProtocolChain.executeProtocolFilter(DefaultProtocolChain.java:137)
         at
com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:104)
         at
com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:90)
         at
com.sun.grizzly.http.HttpProtocolChain.execute(HttpProtocolChain.java:79)
         at
com.sun.grizzly.ProtocolChainContextTask.doCall(ProtocolChainContextTask.java:54)
         at
com.sun.grizzly.SelectionKeyContextTask.call(SelectionKeyContextTask.java:59)
         at com.sun.grizzly.ContextTask.run(ContextTask.java:71)
         at
com.sun.grizzly.util.AbstractThreadPool$Worker.doWork(AbstractThreadPool.java:532)
         at
com.sun.grizzly.util.AbstractThreadPool$Worker.run(AbstractThreadPool.java:513)
         at java.lang.Thread.run(Thread.java:662)