QMF: python console crashes on race condition when deleting an agent.
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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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