2015-07-01 04:17:57.604 3141 ERROR oslo_messaging._drivers.impl_rabbit [-] Failed to consume message from queue: 'NoneType' object has no attribute '__getitem__'
2015-07-01 04:17:57.605 3141 ERROR oslo_messaging._drivers.amqpdriver [-] Failed to process incoming message, retrying...
2015-07-01 04:17:57.605 3141 TRACE oslo_messaging._drivers.amqpdriver Traceback (most recent call last):
2015-07-01 04:17:57.605 3141 TRACE oslo_messaging._drivers.amqpdriver   File "/usr/lib/python2.7/site-packages/oslo_messaging/_drivers/amqpdriver.py", line 197, in poll
2015-07-01 04:17:57.605 3141 TRACE oslo_messaging._drivers.amqpdriver     self.conn.consume(limit=1)
2015-07-01 04:17:57.605 3141 TRACE oslo_messaging._drivers.amqpdriver   File "/usr/lib/python2.7/site-packages/oslo_messaging/_drivers/impl_rabbit.py", line 1147, in consume
2015-07-01 04:17:57.605 3141 TRACE oslo_messaging._drivers.amqpdriver     six.next(it)
2015-07-01 04:17:57.605 3141 TRACE oslo_messaging._drivers.amqpdriver   File "/usr/lib/python2.7/site-packages/oslo_messaging/_drivers/impl_rabbit.py", line 1045, in iterconsume
2015-07-01 04:17:57.605 3141 TRACE oslo_messaging._drivers.amqpdriver     error_callback=_error_callback)
2015-07-01 04:17:57.605 3141 TRACE oslo_messaging._drivers.amqpdriver   File "/usr/lib/python2.7/site-packages/oslo_messaging/_drivers/impl_rabbit.py", line 853, in ensure
2015-07-01 04:17:57.605 3141 TRACE oslo_messaging._drivers.amqpdriver     ret, channel = autoretry_method()
2015-07-01 04:17:57.605 3141 TRACE oslo_messaging._drivers.amqpdriver   File "/usr/lib/python2.7/site-packages/kombu/connection.py", line 453, in _ensured
2015-07-01 04:17:57.605 3141 TRACE oslo_messaging._drivers.amqpdriver     return fun(*args, **kwargs)
2015-07-01 04:17:57.605 3141 TRACE oslo_messaging._drivers.amqpdriver   File "/usr/lib/python2.7/site-packages/kombu/connection.py", line 520, in __call__
2015-07-01 04:17:57.605 3141 TRACE oslo_messaging._drivers.amqpdriver     self.revive(create_channel())
2015-07-01 04:17:57.605 3141 TRACE oslo_messaging._drivers.amqpdriver   File "/usr/lib/python2.7/site-packages/kombu/connection.py", line 251, in channel
2015-07-01 04:17:57.605 3141 TRACE oslo_messaging._drivers.amqpdriver     chan = self.transport.create_channel(self.connection)
2015-07-01 04:17:57.605 3141 TRACE oslo_messaging._drivers.amqpdriver   File "/usr/lib/python2.7/site-packages/kombu/transport/pyamqp.py", line 91, in create_channel
2015-07-01 04:17:57.605 3141 TRACE oslo_messaging._drivers.amqpdriver     return connection.channel()
2015-07-01 04:17:57.605 3141 TRACE oslo_messaging._drivers.amqpdriver   File "/usr/lib/python2.7/site-packages/amqp/connection.py", line 279, in channel
2015-07-01 04:17:57.605 3141 TRACE oslo_messaging._drivers.amqpdriver     return self.channels[channel_id]
2015-07-01 04:17:57.605 3141 TRACE oslo_messaging._drivers.amqpdriver TypeError: 'NoneType' object has no attribute '__getitem__'