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https://issues.apache.org/jira/browse/QPIDJMS-218?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15632908#comment-15632908
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ASF subversion and git services commented on QPIDJMS-218:
---------------------------------------------------------
Commit 32fc7d20cb0bc1627cb7f21438aa18715fb63e57 in qpid-jms's branch
refs/heads/master from Robert Gemmell
[ https://git-wip-us.apache.org/repos/asf?p=qpid-jms.git;h=32fc7d2 ]
QPIDJMS-218: prevent CME during remote session closure with multiple
consumers/producers, add tests (for local case also)
> ConcurrentModificationException during remote closure of session with
> multiple producers or consumers
> -----------------------------------------------------------------------------------------------------
>
> Key: QPIDJMS-218
> URL: https://issues.apache.org/jira/browse/QPIDJMS-218
> Project: Qpid JMS
> Issue Type: Bug
> Components: qpid-jms-client
> Affects Versions: 0.11.1
> Reporter: Robbie Gemmell
> Fix For: 0.20.0
>
>
> During remote session closure the client can cause a
> ConcurrentModificationException while cleaning up any open producers and
> consumers, if there happened to be either multiple consumers or multiple
> producers active on the session. This happens despite the affected code being
> single thread, because the contents of a map are iterated over and then
> 'concurrently' altered by the thread elsewhere during the cleanup process.
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