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From "Gary Tully (JIRA)" <j...@apache.org>
Subject [jira] Created: (AMQ-2366) File leak in KahaDB file lock - slave exhausts OS fd limit
Date Wed, 26 Aug 2009 15:19:50 GMT
File leak in KahaDB file lock - slave exhausts OS fd limit
----------------------------------------------------------

                 Key: AMQ-2366
                 URL: https://issues.apache.org/activemq/browse/AMQ-2366
             Project: ActiveMQ
          Issue Type: Bug
          Components: Message Store
    Affects Versions: 5.3.0
            Reporter: Gary Tully
            Assignee: Gary Tully
             Fix For: 5.3.0


If I follow the logs, the slave brokers emit this message for a while:
 
Database /opt/fusemq/data/dev-broker1/kahadb/lock is locked... waiting 10 seconds for the
database to be unlocked. Reason: java.io.IOException: File '/opt/fusemq/data/dev-broker1/kahadb/lock'
could
not be locked.
 
Then, it switches to
 
Database /opt/fusemq/data/dev-broker1/kahadb/lock is locked... waiting 10 seconds for the
database to be unlocked. Reason: java.io.FileNotFoundException: /opt/fusemq/data/dev-broker1/kahadb/lock
(Too many open files)

lsof shows loads of fds allocated to the slave broker.

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