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From "Alan Conway (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (QPID-4194) cluster should enable queue events in CATCHUP state
Date Tue, 07 Aug 2012 17:18:10 GMT

    [ https://issues.apache.org/jira/browse/QPID-4194?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13430452#comment-13430452
] 

Alan Conway commented on QPID-4194:
-----------------------------------

Change looks correct & very low risk, it is suitable for 0.18
                
> cluster should enable queue events in CATCHUP state
> ---------------------------------------------------
>
>                 Key: QPID-4194
>                 URL: https://issues.apache.org/jira/browse/QPID-4194
>             Project: Qpid
>          Issue Type: Bug
>          Components: C++ Broker
>            Reporter: michael j. goulish
>            Assignee: michael j. goulish
>              Labels: cluster, desync
>             Fix For: 0.19
>
>
> pavel moravec has discovered the mechanism for this problem already -- current cluster
code does not enable queue events until READY state -- but new messages may be enqueued during
CATCHUP state.
> So if you have a replication-queue, which needs those queue-events to be generated, a
newbie broker -- if it is in CATCHUP state -- will fail to replicate any messages that arrive
on the replicated queue.
> Two-line fix

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