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https://issues.apache.org/jira/browse/TOMEE-2651?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16918771#comment-16918771
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Jonathan S Fisher commented on TOMEE-2651:
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RCA:
After the transaction times out, the AutoConnectionTracker was trying to call
`transactionRegistry.getResource`. The Geronimo JTA adapter is especially
aggressive and throws an exception. This causes the removal process to abort,
leaving the connection in a used state. See mailing list for more details.
http://tomee-openejb.979440.n4.nabble.com/JTA-JMS-Spec-question-connection-leakage-td4690100.html
> TomEE Does not Free JMS Connection from Pool after Transaction Timeout
> ----------------------------------------------------------------------
>
> Key: TOMEE-2651
> URL: https://issues.apache.org/jira/browse/TOMEE-2651
> Project: TomEE
> Issue Type: Bug
> Reporter: Jonathan S Fisher
> Assignee: Jonathan S Fisher
> Priority: Major
>
> See here for a project to reproduce this issue:
> https://github.com/exabrial/tomee-jms2-bug/tree/connection-pool-leak
> Essentially, if your transaction times out, you can't free the connection and
> it's permanently considered occupied. This eventually drains the pool of
> connections and tomee freezes.
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