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From "Alan Conway (JIRA)" <j...@apache.org>
Subject [jira] [Created] (QPID-4163) Deadlock between LinkRegistry and TimerTask locks
Date Mon, 23 Jul 2012 15:31:35 GMT
Alan Conway created QPID-4163:

             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

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