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

Andrew Dinn (JIRA) jira-events at lists.jboss.org
Fri Mar 28 12:03:40 EDT 2008

     [ http://jira.jboss.com/jira/browse/JBTM-352?page=all ]

Andrew Dinn updated JBTM-352:

    Attachment: OTSManager.java

A modified version of OTSManager which wraps the control so that the wrapper can test for equality using the correct alogrithm. Wrapper class implementation to follow.

> 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
>         Assigned To: Andrew Dinn
>             Fix For: 4.4.CR1
>         Attachments: OTSManager.java, PseudoControlWrapper.java, TransactionReaper.java, TransactionReaper.zip
> 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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