Jason Dillaman created QPID-4263:
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Summary: 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
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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