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https://issues.apache.org/jira/browse/AMQ-5265?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14055542#comment-14055542
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ASF GitHub Bot commented on AMQ-5265:
-------------------------------------
GitHub user jgenender opened a pull request:
https://github.com/apache/activemq/pull/31
AMQ-5265 - fix race condition for task
AMQ-5265 - fix race condition for task in MBeanBridgeDestination for
running the purgeInactiveDestinationViewTask and the execution of
onOutboundMessage and onInboundMessage
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/jgenender/activemq trunk
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/activemq/pull/31.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #31
----
commit a519384355d0e4acc74e9871ea33e2ee1d113ed5
Author: Jeff Genender <[email protected]>
Date: 2014-07-08T21:05:41Z
AMQ-5265 - fix race condition for task
----
> JMX destination entires fail due to race condition in MBeanBridgeDestination
> ----------------------------------------------------------------------------
>
> Key: AMQ-5265
> URL: https://issues.apache.org/jira/browse/AMQ-5265
> Project: ActiveMQ
> Issue Type: Bug
> Components: Broker
> Affects Versions: 5.9.1, 5.10.0
> Reporter: Jeff Genender
> Attachments: AMQ-5265.patch
>
>
> JMX statistics on destinations creates a race condition in the
> MBeanBridgeDestination's onInboundMessage, onOutboundMessage, and the
> purgeInactiveDestinationView task. If the task fires and removes the
> objectName while the onInboundMessage or onOutboundMessage fires, it will
> spit out warnings of it already being created if multiple threads are
> running. The fix is to properly synchronize in the
> purgeInactiveDestinationView and also be sure it cleans up itself in the
> destinationObjectNameMap.
> Patch is attached as is a git pull request (for whatever is easier)
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