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Posted to dev@qpid.apache.org by "Rob Godfrey (JIRA)" <qp...@incubator.apache.org> on 2007/08/10 15:53:42 UTC

[jira] Created: (QPID-547) Race condition on Session.close

Race condition on Session.close
-------------------------------

                 Key: QPID-547
                 URL: https://issues.apache.org/jira/browse/QPID-547
             Project: Qpid
          Issue Type: Bug
          Components: Java Client
    Affects Versions: M1
            Reporter: Rob Godfrey
             Fix For: M2


There is a race condition when closing a connection while the Dispatcher threa is running.

The session get closed while a new message is being dispatched.  This causes the dispatch of the message to the MessageListener to fail (for instance when it checks the acknowledge mode to see if it should pre- or post- acknowledge).

Fix by preventing using synchronized blocks to prevent close() being called in other threads while in the dispatch process



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[jira] Resolved: (QPID-547) Race condition on Session.close

Posted by "Rob Godfrey (JIRA)" <qp...@incubator.apache.org>.

     [ https://issues.apache.org/jira/browse/QPID-547?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Rob Godfrey resolved QPID-547.
------------------------------

    Resolution: Fixed

> Race condition on Session.close
> -------------------------------
>
>                 Key: QPID-547
>                 URL: https://issues.apache.org/jira/browse/QPID-547
>             Project: Qpid
>          Issue Type: Bug
>          Components: Java Client
>    Affects Versions: M1
>            Reporter: Rob Godfrey
>             Fix For: M2
>
>
> There is a race condition when closing a connection while the Dispatcher threa is running.
> The session get closed while a new message is being dispatched.  This causes the dispatch of the message to the MessageListener to fail (for instance when it checks the acknowledge mode to see if it should pre- or post- acknowledge).
> Fix by preventing using synchronized blocks to prevent close() being called in other threads while in the dispatch process

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