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Posted to dev@qpid.apache.org by "Philip Harvey (JIRA)" <ji...@apache.org> on 2012/08/31 15:39:07 UTC
[jira] [Updated] (QPID-4275) Java Performance Tests - race
condition between closing test consumer and test connection
[ https://issues.apache.org/jira/browse/QPID-4275?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Philip Harvey updated QPID-4275:
--------------------------------
Attachment: QPID-4275-now-releasing-participant-resources-befor.patch
Attached patch.
Now releasing participant resources before sending results to avoid race condition between consumer.close and connection.close. The latter is triggered by the TEAR_DOWN_TEST command send in response to sendResults.
> Java Performance Tests - race condition between closing test consumer and test connection
> -----------------------------------------------------------------------------------------
>
> Key: QPID-4275
> URL: https://issues.apache.org/jira/browse/QPID-4275
> Project: Qpid
> Issue Type: Bug
> Components: Java Performance Tests
> Reporter: Philip Harvey
> Assignee: Philip Harvey
> Priority: Minor
> Fix For: 0.19
>
> Attachments: QPID-4275-now-releasing-participant-resources-befor.patch
>
>
> In the new performance test framework, the ParticipantExecutor does these two things at the end when the participant has completed:
> # Send the results
> # Tell the participant to release its resources.
> When this is done in the order listed, the client may receive a TEAR_DOWN_TEST command, which causes the connection to be closed, while it is inside releseResources(). This provokes the client deadlock reported in QPID-TODO.
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