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From "Markus Wolf (JIRA)" <>
Subject [jira] Updated: (AMQ-2138) Memory Leak in ActiveMQConnection
Date Mon, 23 Feb 2009 11:24:59 GMT


Markus Wolf updated AMQ-2138:

This is also the case for the ASYNC_TASKS ThreadPoolExecutor in the InactivityMonitor class.

> Memory Leak in ActiveMQConnection
> ---------------------------------
>                 Key: AMQ-2138
>                 URL:
>             Project: ActiveMQ
>          Issue Type: Bug
>          Components: Connector
>         Environment: Tomcat 6 + ActiveMQ 5.1
>            Reporter: Markus Wolf
>   Original Estimate: 0 minutes
>  Remaining Estimate: 0 minutes
> We discovered a memory leak in the ActiveMQConnection class.
> In our setup we have an activemq 5.1 embedded in our webapplication. On undeployemnt
(more specially on connection close) the ThreadPoolExecutor is kept in memory and could not
be garbage collected, because of the ThreadFactory which is loaded by our webapp classloader.
A reference to it is held by the ThreadPoolExecutor.
> This is likly a bug in the JDK TheadPoolExecutor but it could be fixed by setting a default
ThreadFactory before shutdown.

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