[jbossseam-issues] [JBoss JIRA] Created: (JBSEAM-3188) ConcurrentModificationException on flush of ServerConversationContext

Fri Jul 25 10:15:45 EDT 2008

ConcurrentModificationException on flush of ServerConversationContext
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                 Key: JBSEAM-3188
                 URL: https://jira.jboss.org/jira/browse/JBSEAM-3188
             Project: Seam
          Issue Type: Bug
          Components: Core
    Affects Versions: 2.0.3.CR1
         Environment: 2.0.3.CR1, JBoss 4.2.2, JDK 5
            Reporter: Sanne Grinovero

As confirmed by other people on the forum at http://seamframework.org/Community/ConcurrentModificationExceptionAfterProgrammaticLogin
It is possible for ServerConversationContext to iterate on an EntrySet which is modified in the iteration block.

I couldn't understand exactly in which scenarios it happens, but it's easy to patch the code
to iterate on a copy instead (I'll attach the patch).
I can't say if it's correct to make a copy, or if you should actually avoid the changes.

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