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From "Claus Ibsen (JIRA)" <j...@apache.org>
Subject [jira] [Created] (AMQ-3997) Memory leak in activemq-pool
Date Tue, 28 Aug 2012 10:23:07 GMT
Claus Ibsen created AMQ-3997:
--------------------------------

             Summary: Memory leak in activemq-pool
                 Key: AMQ-3997
                 URL: https://issues.apache.org/jira/browse/AMQ-3997
             Project: ActiveMQ
          Issue Type: Bug
    Affects Versions: 5.6.0
            Reporter: Claus Ibsen
             Fix For: 5.7.0


The org.apache.activemq.pool.PooledConnectionFactory from activemq-pool has a severe memory
leak when using it for sending a lot of messages. Over time this causes memory to be eaten
up.

I have tracked it down to the following tickets:
- AMQ-3680, which keeps adding event listeners, despite previously added
- AMQ-2643, code which keep track of loaned sessions, causing JVM to create too many ConcurrentLinkedQueue$Node
instances

There may be others. But with resolutions to those I can get the pool to not eat memory, and
keep memory consumption low.

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