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https://issues.apache.org/jira/browse/QPID-2846?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ken Giusti closed QPID-2846.
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Resolution: Fixed
> QMF: python console crashes on race condition when deleting an agent.
> ---------------------------------------------------------------------
>
> Key: QPID-2846
> URL: https://issues.apache.org/jira/browse/QPID-2846
> Project: Qpid
> Issue Type: Bug
> Components: Qpid Managment Framework
> Environment: all
> Reporter: Ken Giusti
> Assignee: Ken Giusti
>
> If an agent is deleted while reply messages from that agent are still pending
> on the queue, the python console can crash due to a stale sequence id:
> Exception in thread Thread for broker: grm31.lab:5672:
> Traceback (most recent call last):
> File "/usr/lib/python2.6/threading.py", line 522, in __bootstrap_inner
> self.run()
> File "/home/ernie/lib/python/qmf/console.py", line 2813, in run
> self._v2Dispatch(item.data)
> File "/home/ernie/lib/python/qmf/console.py", line 2695, in _v2Dispatch
> agent._handleQmfV2Message(opcode, mp, ah, content)
> File "/home/ernie/lib/python/qmf/console.py", line 3418, in
> _handleQmfV2Message
> elif opcode == '_exception': self._v2HandleException(mp, ah,
> content)
> File "/home/ernie/lib/python/qmf/console.py", line 3282, in
> _v2HandleException
> pair.cancel(text)
> File "/home/ernie/lib/python/qmf/console.py", line 3507, in cancel
> self._complete()
> File "/home/ernie/lib/python/qmf/console.py", line 3545, in _complete
> self.agent._clearContext(self.sequence)
> File "/home/ernie/lib/python/qmf/console.py", line 3061, in _clearContext
> x = self.contextMap.pop(sequence)
> KeyError: 'pop(): dictionary is empty'
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