[jbossts-issues] [JBoss JIRA] Created: (JBTM-352) Memory leak in TransactionReaper._timeouts

Ivan Szanto (JIRA) jira-events at lists.jboss.org
Thu Mar 27 06:18:42 EDT 2008

Memory leak in TransactionReaper._timeouts

                 Key: JBTM-352
                 URL: http://jira.jboss.com/jira/browse/JBTM-352
             Project: JBoss Transaction Manager
          Issue Type: Bug
      Security Level: Public (Everyone can see)
          Components: Transaction Core
    Affects Versions: 4.3.0.GA
         Environment: Compiled 4.3.0.GA for the EAP 4.3 as JTS according to the instructions (by setting JBOSS_HOME to jboss-5.0.0.Beta4) on RHEL4.
Run ~ 1500 JMS transactions in EAP 4.3 all configuration on RHEL4 to see it leaks.
Used Sun jdk 
            Reporter: Ivan Szanto

The leak can also be seen by using the debugger to check the number of entries in TransactionReaper._timeouts after a couple of transactions.
It appears that the TransactionReaper.insert method uses ControlWrapper objects as keys when putting elements into the hashtable, but the TransactionReaper.remove method sometimes unsuccessfully tries to use Uid ojbects to remove them.

I will post a corrected version of TransactionReaper.java.

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