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From "Ken Giusti (JIRA)" <qpid-...@incubator.apache.org>
Subject [jira] Closed: (QPID-2846) QMF: python console crashes on race condition when deleting an agent.
Date Thu, 02 Sep 2010 21:07:52 GMT

     [ https://issues.apache.org/jira/browse/QPID-2846?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Ken Giusti closed QPID-2846.
----------------------------

    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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