Alan Conway created QPID-4163:
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             Summary: Deadlock between LinkRegistry and TimerTask locks
                 Key: QPID-4163
                 URL: https://issues.apache.org/jira/browse/QPID-4163
             Project: Qpid
          Issue Type: Bug
          Components: C++ Broker
    Affects Versions: 0.17
            Reporter: Alan Conway
            Assignee: Alan Conway
             Fix For: 0.18


Very occasionally (about 2% of runs), when running ha_tests.py in a long loop 
one of the brokers deadlocks with the attached stack trace. The problem is a 
call to TimerTask::cancel with the LinkRegsitry lock held, while another thread 
is in TimerTask::fire and waiting for the LinkRegistry lock.

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