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https://issues.apache.org/jira/browse/POOL-279?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14159523#comment-14159523
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Jacopo Cappellato commented on POOL-279:
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[[email protected]] the field lastReturnTime is already volatile.
I am uploading a new patch with an expanded comment as you have recommended.
> Thread concurrency issue in DefaultPooledObject.getIdleTimeMillis()
> -------------------------------------------------------------------
>
> Key: POOL-279
> URL: https://issues.apache.org/jira/browse/POOL-279
> Project: Commons Pool
> Issue Type: Bug
> Affects Versions: 2.2
> Reporter: Jacopo Cappellato
> Priority: Minor
> Attachments: POOL-279.patch, POOL-279.patch
>
>
> Under unlucky thread concurrency the getIdleTimeMillis() method of
> DefaultPooledObject can return a negative value.
> I have attached a Junit test that fails most of the times and a simple fix,
> that doesn't use synchronization: with this fix the Junit test always succeed.
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