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On 25/10/17 03:25 AM, 李田清 wrote:
> I test newton 5.10.2, and in ceilometer agent notification, the log shows
> 2017-10-21 03:33:19.779 225636 ERROR root [-] Unexpected exception
> occurred 60 time(s)... retrying.
> 2017-10-21 03:33:19.779 225636 ERROR root Traceback (most recent call last):
> 2017-10-21 03:33:19.779 225636 ERROR root File
> "/usr/lib/python2.7/site-packages/oslo_utils/excutils.py", line 250, in
> wrapper
> 2017-10-21 03:33:19.779 225636 ERROR root return infunc(*args, **kwargs)
> 2017-10-21 03:33:19.779 225636 ERROR root File
> "/usr/lib/python2.7/site-packages/oslo_messaging/_drivers/base.py", line
> 203, in _runner
> 2017-10-21 03:33:19.779 225636 ERROR root batch_size=self.batch_size,
> batch_timeout=self.batch_timeout)
> 2017-10-21 03:33:19.779 225636 ERROR root File
> "/usr/lib/python2.7/site-packages/oslo_messaging/_drivers/base.py", line
> 52, in wrapper
> 2017-10-21 03:33:19.779 225636 ERROR root msg = func(in_self,
> timeout=timeout_watch.leftover(True))
> 2017-10-21 03:33:19.779 225636 ERROR root File
> "/usr/lib/python2.7/site-packages/oslo_messaging/_drivers/amqpdriver.py", line
> 286, in poll
> 2017-10-21 03:33:19.779 225636 ERROR root
> self._message_operations_handler.process()
> 2017-10-21 03:33:19.779 225636 ERROR root File
> "/usr/lib/python2.7/site-packages/oslo_messaging/_drivers/amqpdriver.py", line
> 89, in process
> 2017-10-21 03:33:19.779 225636 ERROR root task()
> 2017-10-21 03:33:19.779 225636 ERROR root File
> "/usr/lib/python2.7/site-packages/oslo_messaging/_drivers/impl_rabbit.py",
> line 251, in acknowledge
> 2017-10-21 03:33:19.779 225636 ERROR root self._raw_message.ack()
> 2017-10-21 03:33:19.779 225636 ERROR root File
> "/usr/lib/python2.7/site-packages/kombu/message.py", line 88, in ack
> 2017-10-21 03:33:19.779 225636 ERROR root
> self.channel.basic_ack(self.delivery_tag)
> 2017-10-21 03:33:19.779 225636 ERROR root File
> "/usr/lib/python2.7/site-packages/amqp/channel.py", line 1583, in basic_ack
> 2017-10-21 03:33:19.779 225636 ERROR root self._send_method((60, 80), args)
> 2017-10-21 03:33:19.779 225636 ERROR root File
> "/usr/lib/python2.7/site-packages/amqp/abstract_channel.py", line 50, in
> _send_method
> 2017-10-21 03:33:19.779 225636 ERROR root raise
> RecoverableConnectionError('connection already closed')
> 2017-10-21 03:33:19.779 225636 ERROR root RecoverableConnectionError:
> connection already closed

what's the oslo.messaging version? i feel like this is something on 
oslo.messaging and it does sound familiar to possibly it's fixed.

-- 
gord