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From "Martin Ritchie (JIRA)" <qpid-...@incubator.apache.org>
Subject [jira] Updated: (QPID-609) Dispatcher threads are not always killed
Date Mon, 01 Oct 2007 15:40:51 GMT

     [ https://issues.apache.org/jira/browse/QPID-609?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Martin Ritchie updated QPID-609:

    Fix Version/s: M2

> Dispatcher threads are not always killed
> ----------------------------------------
>                 Key: QPID-609
>                 URL: https://issues.apache.org/jira/browse/QPID-609
>             Project: Qpid
>          Issue Type: Bug
>          Components: Java Client
>    Affects Versions: M2
>         Environment: Any
>            Reporter: Robert Greig
>            Assignee: Robert Greig
>             Fix For: M2
> When taking a thread dump at random points during the client unit tests there are huge
numbers of dispatcher threads running.
> Analysis shows this is because of the potential for dispacher threads to be created after
the session has been closed.
> The place where the dispatcher is created is in AMQSession.confirmConsumerCancelled:
> _logger.info("Dispatcher is null so created stopped dispatcher");
> startDistpatcherIfNecessary(true);
> To see this happening simply run the TopicSessionTest and examine the threads running
after the VMBroker has been shut down.
> It is not clear to me why this method could be called *after* a session has been closed.

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