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https://issues.jboss.org/browse/JBSEAM-5067?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12746524#comment-12746524
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Andrey Zhemoytuk commented on JBSEAM-5067:
------------------------------------------
Here is a test case for the issue with outjection. It looks artificial, I have
not found a more real world simple example to reproduce:
https://github.com/azhemoytuk/jboss-seam/commit/73c1e9a12f1ee771d745059b18090807dc0aad26
Regarding a problem with ExceptionFilter - I have the same stacktrace as you
have. So the issues can be considered as two different issues, still rootcause
of the issues looks the same (reverting JAVASERVERFACES-1685 change makes both
issues disappear).
> ConcurrentModificationException in ServerConversationContext.flush()
> --------------------------------------------------------------------
>
> Key: JBSEAM-5067
> URL: https://issues.jboss.org/browse/JBSEAM-5067
> Project: Seam 2
> Issue Type: Bug
> Components: Core
> Affects Versions: 2.3.0.Final
> Environment: JBoss AS 7.1.0.Final (JSF RI 2.1.5)
> Reporter: Andrey Zhemoytuk
>
> The exception fails after render response phase if long running conversation
> is active and a bean in conversation scope (additions map) has
> page/conversation/session scoped outjection.
> Latest 2.3.1.CR1-SNAPSHOT (with JBSEAM-5045 fix): The same exception fails in
> ExceptionFilter after unhandled exception when there is active long running
> conversation and a component in conversation scope with a page scoped
> injection.
> The issue is not reproducible if
> http://java.net/jira/browse/JAVASERVERFACES-1685 is reverted. Call to equals
> in com.sun.faces.context.SessionMap#put (lines 132-138) introduced with 1685
> fix causes injection/outjection to occur:
> boolean doSet = true;
> if (null != value && null != result) {
> doSet = ! result.equals(value);
> }
> if (doSet) {
> session.setAttribute(key, value);
> }
> Stacktrace:
> 2013-01-09 05:09:26,576 WARN [org.jboss.seam.jsf.SeamPhaseListener]
> (http--0.0.0.0-8543-1) uncaught exception, passing to exception handler:
> java.util.ConcurrentModificationException
> at java.util.HashMap$HashIterator.nextEntry(HashMap.java:793)
> [rt.jar:1.6.0_30]
> at java.util.HashMap$EntryIterator.next(HashMap.java:834)
> [rt.jar:1.6.0_30]
> at java.util.HashMap$EntryIterator.next(HashMap.java:832)
> [rt.jar:1.6.0_30]
> at
> org.jboss.seam.contexts.ServerConversationContext.flush(ServerConversationContext.java:302)
> [jboss-seam.jar:2.3.0.Final]
> at
> org.jboss.seam.contexts.Contexts.flushAndDestroyContexts(Contexts.java:410)
> [jboss-seam.jar:2.3.0.Final]
> at
> org.jboss.seam.contexts.FacesLifecycle.endRequest(FacesLifecycle.java:129)
> [jboss-seam.jar:2.3.0.Final]
> at
> org.jboss.seam.jsf.SeamPhaseListener.afterRenderResponse(SeamPhaseListener.java:518)
> [jboss-seam.jar:2.3.0.Final]
> at
> org.jboss.seam.jsf.SeamPhaseListener.afterServletPhase(SeamPhaseListener.java:248)
> [jboss-seam.jar:2.3.0.Final]
> at
> org.jboss.seam.jsf.SeamPhaseListener.afterPhase(SeamPhaseListener.java:195)
> [jboss-seam.jar:2.3.0.Final]
> at com.sun.faces.lifecycle.Phase.handleAfterPhase(Phase.java:189)
> [jsf-impl-2.1.5-jbossorg-1.jar:2.1.5-SNAPSHOT]
> at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:107)
> [jsf-impl-2.1.5-jbossorg-1.jar:2.1.5-SNAPSHOT]
> at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:139)
> [jsf-impl-2.1.5-jbossorg-1.jar:2.1.5-SNAPSHOT]
> at javax.faces.webapp.FacesServlet.service(FacesServlet.java:594)
> [jboss-jsf-api_2.1_spec-2.0.0.Final.jar:2.0.0.Final]
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