[jira] [Resolved] (QPID-4263) HA broker can crash due to priority queue corruption

["Alan Conway (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/QPID-4263?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Alan Conway resolved QPID-4263.
-------------------------------

    Resolution: Not A Problem
      Assignee: Alan Conway
    
> HA broker can crash due to priority queue corruption
> ----------------------------------------------------
>
>                 Key: QPID-4263
>                 URL: https://issues.apache.org/jira/browse/QPID-4263
>             Project: Qpid
>          Issue Type: Bug
>          Components: C++ Broker
>    Affects Versions: 0.18
>            Reporter: Jason Dillaman
>            Assignee: Alan Conway
>
> Similar to QPID-4262 and discovered via code review while investigating the other issue, it appears that it is possible for the priority queue's "messages" deques to become out-of-sync with their backing "fifo" deque if "PriorityQueue::setPosition" is invoked.  That method will delete messages from the backing MessageDeque collection without removing the pointers to the deleted messages from the PriorityQueue.
> The HA and replication plugins can both invoke this method on a queue.  

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