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https://issues.apache.org/jira/browse/QPID-5571?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13907102#comment-13907102
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ASF subversion and git services commented on QPID-5571:
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Commit 1570245 from [~godfrer] in branch 'qpid/trunk'
[ https://svn.apache.org/r1570245 ]
QPID-5571 : Java Broker AMQP 1.0 deadlock on close consumer
> [Java Broker] [AMQP 1.0] Broker can deadlock if a consumer is closed while it
> is sending messages
> -------------------------------------------------------------------------------------------------
>
> Key: QPID-5571
> URL: https://issues.apache.org/jira/browse/QPID-5571
> Project: Qpid
> Issue Type: Bug
> Components: Java Broker
> Affects Versions: 0.26
> Reporter: Rob Godfrey
> Fix For: 0.27
>
>
> The I/O thread first takes the endpoint lock and then gets the consumer lock,
> the queue runner thread takes the consumer lock and then tries to get the
> endpoint lock.
> By modifying the I/O thread to release the endpoint lock if it cannot get the
> consumer lock we can avoid the deadlock.
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