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From "Martin Ritchie (JIRA)" <qpid-...@incubator.apache.org>
Subject [jira] Updated: (QPID-1950) During failover clients can cause NPE to occur on the broker.
Date Thu, 08 Oct 2009 08:19:31 GMT

     [ https://issues.apache.org/jira/browse/QPID-1950?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Martin Ritchie updated QPID-1950:
---------------------------------

    Status: Ready To Review  (was: In Progress)

> During failover clients can cause NPE to occur on the broker.
> -------------------------------------------------------------
>
>                 Key: QPID-1950
>                 URL: https://issues.apache.org/jira/browse/QPID-1950
>             Project: Qpid
>          Issue Type: Bug
>          Components: Java Broker, Java Client
>    Affects Versions: M4, 0.5
>            Reporter: Martin Ritchie
>            Assignee: Martin Ritchie
>         Attachments: MessageDisappearWithIOExceptionTest.java, QPID-1950.log
>
>
> Summary:
> During failover NPEs have been seen from the ChannelOpenHandler as the virtualHost has
not yet been set on the session. 
> The Java client should not be able to cause this sort of problem.
> This was discovered whilst testing another issue wifh failover.  QPID-1949
> The race condition can be seen by editing the test case (as attached) so that it attempts
to continue to use the connection after failover.
> The attached log shows one instance where the NPE occured.

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