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https://issues.apache.org/jira/browse/ARTEMIS-874?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15998592#comment-15998592
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ASF GitHub Bot commented on ARTEMIS-874:
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GitHub user d0k1 opened a pull request:
https://github.com/apache/activemq-artemis/pull/1254
ARTEMIS-874: ThreadGroup memory leak
https://issues.apache.org/jira/browse/ARTEMIS-874
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/d0k1/activemq-artemis 1.x
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/activemq-artemis/pull/1254.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 #1254
----
commit e4c4539c8fefefec23d174441144e1c2a05cf7ca
Author: dOkI <[email protected]>
Date: 2017-05-05T17:10:59Z
ARTEMIS-874: ThreadGroup memory leak
----
> ThreadGroup memory leak
> -----------------------
>
> Key: ARTEMIS-874
> URL: https://issues.apache.org/jira/browse/ARTEMIS-874
> Project: ActiveMQ Artemis
> Issue Type: Bug
> Affects Versions: 1.5.0
> Reporter: Damien Hollis
>
> Each ActiveMQConnection has a failoverListenerExecutor, which is initialized
> using the code
> {code:java}
> Executors.newFixedThreadPool(1, ActiveMQThreadFactory.defaultThreadFactory());
> {code}
> Which creates a new ActiveMQThreadFactory and the factory has a ThreadGroup.
> When ThreadGroups are created, they are added to an array on their parent
> ThreadGroup. In our testing, the array of ThreadGroups just keeps growing as
> we keep creating ActiveMQConnections. The problem seems to be that nobody is
> destroying the ThreadGroups (ThreadGroup.destroy()). Note: the
> ActiveMQConnection etc are all cleaned up correctly.
> I've managed to workaround this issue by caching the ActiveMQConnection but
> in some environments this might not be possible.
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