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https://issues.apache.org/jira/browse/QPID-3532?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Alex Rudyy reassigned QPID-3532:
--------------------------------

    Assignee: Alex Rudyy
    
> Fix the blocking of JMS operations when failover happens
> --------------------------------------------------------
>
>                 Key: QPID-3532
>                 URL: https://issues.apache.org/jira/browse/QPID-3532
>             Project: Qpid
>          Issue Type: Bug
>          Components: Java Client
>            Reporter: Alex Rudyy
>            Assignee: Alex Rudyy
>             Fix For: 0.13
>
>         Attachments: 
> QPID-3532-make-the-0-10-client-hold-the-failover-mutex-during-failover.patch
>
>
> When connection is lost and failover is started the Qpid Client should block 
> on invocation of JMS operations which require sending or receiving data over 
> the network.
> With current implementation the performing of certain operations during 
> failover can lead to unexpected behaviour.
> For example, closing QueueBrowsers during failover has been observed to cause 
>  issues because it is possible to send the old subscription destination in a 
> cancel command to the new broker as the close and failover are allowed to 
> progress concurrently. As result of it the broker might close the session 
> with a NOT_FOUND execution exception because failover has not finished queue 
> re-creation on a new broker

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