[jira] Updated: (QPID-143) Acks during failover

["Martin Ritchie (JIRA)" <qp...@incubator.apache.org>]

     [ https://issues.apache.org/jira/browse/QPID-143?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Martin Ritchie updated QPID-143:
--------------------------------

    Attachment: TEST-org.apache.qpid.test.unit.ack.AcknowledgeAfterFailoverOnMessageTest.testDupsOk.out

Attached example of this issue as generated by the AckowledgeAfterFailoverOnMessage test. The log shows teh testDupsOk test but this is the same as AutoAck.

> Acks during failover
> --------------------
>
>                 Key: QPID-143
>                 URL: https://issues.apache.org/jira/browse/QPID-143
>             Project: Qpid
>          Issue Type: Bug
>          Components: Java Client
>    Affects Versions: M3
>            Reporter: Steven Shaw
>            Assignee: Martin Ritchie
>         Attachments: TEST-org.apache.qpid.test.unit.ack.AcknowledgeAfterFailoverOnMessageTest.testDupsOk.out
>
>
> Martin Ritchie wrote:
> > It's possible to receive a message and before acking it, fail over to a new broker. When the message is acked the broker barfs 
> > because it does not know about that message.
> See AMQChannel.checkAck.
> Steven Shaw wrote:
> > We must use NO_ACK acknowledgement mode when failover in needed as a workaround until this issue is resolved.

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