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<div><span></span>Hi:All</div><div><span style="background-color: rgba(0, 0, 0, 0);"> I noticed that there are many error logs in my </span><span style="background-color: rgba(0, 0, 0, 0); font-size: 10.5pt; line-height: 1.5;">openvswitch-agent.log of network node.</span></div><div><span style="background-color: rgba(0, 0, 0, 0); font-size: 10.5pt; line-height: 1.5;"> for example:</span></div><div><span style="background-color: rgba(0, 0, 0, 0); font-size: 10.5pt; line-height: 1.5;">=================================================================================================</span></div><div><span style="background-color: rgba(0, 0, 0, 0); font-size: 10.5pt; line-height: 1.5;">2015-07-14 03:28:45.256 5934 ERROR root [-] Unexpected exception occurred 61 time(s)... retrying. </span></div><span style="background-color: rgba(0, 0, 0, 0);">2015-07-14 03:28:45.256 5934 TRACE root Traceback (most recent call last):
<br>2015-07-14 03:28:45.256 5934 TRACE root File "/usr/lib/python2.7/site-packages/oslo_utils/excutils.py", line 95, in inner_func
<br>2015-07-14 03:28:45.256 5934 TRACE root return infunc(*args, **kwargs)
<br>2015-07-14 03:28:45.256 5934 TRACE root File "/usr/lib/python2.7/site-packages/oslo_messaging/_executors/impl_eventlet.py", line 96, in _executor_thread
<br>2015-07-14 03:28:45.256 5934 TRACE root incoming = self.listener.poll()
<br>2015-07-14 03:28:45.256 5934 TRACE root File "/usr/lib/python2.7/site-packages/oslo_messaging/_drivers/amqpdriver.py", line 122, in poll
<br>2015-07-14 03:28:45.256 5934 TRACE root self.conn.consume(limit=1, timeout=timeout)
<br>2015-07-14 03:28:45.256 5934 TRACE root File "/usr/lib/python2.7/site-packages/oslo_messaging/_drivers/impl_rabbit.py", line 1147, in consume
<br>2015-07-14 03:28:45.256 5934 TRACE root six.next(it)
<br>2015-07-14 03:28:45.256 5934 TRACE root File "/usr/lib/python2.7/site-packages/oslo_messaging/_drivers/impl_rabbit.py", line 1045, in iterconsume
<br>2015-07-14 03:28:45.256 5934 TRACE root error_callback=_error_callback)
<br>2015-07-14 03:28:45.256 5934 TRACE root File "/usr/lib/python2.7/site-packages/oslo_messaging/_drivers/impl_rabbit.py", line 853, in ensure
<br>"openvswitch-agent.log" 70801L, 10195852C 1,1 Top
<br>2015-07-14 17:15:16.908 5934 ERROR oslo_messaging._drivers.impl_rabbit [-] Failed to consume message from queue: 'NoneType' object has no attribute '__getitem__'
<br>2015-07-14 17:15:17.910 5934 ERROR oslo_messaging._drivers.impl_rabbit [-] Failed to consume message from queue: 'NoneType' object has no attribute '__getitem__'
<br>2015-07-14 17:15:18.910 5934 ERROR oslo_messaging._drivers.impl_rabbit [-] Failed to consume message from queue: 'NoneType' object has no attribute '__getitem__'
<br>2015-07-14 17:15:18.911 5934 ERROR root [-] Unexpected exception occurred 61 time(s)... retrying.
<br>2015-07-14 17:15:18.911 5934 TRACE root Traceback (most recent call last):
<br>2015-07-14 17:15:18.911 5934 TRACE root File "/usr/lib/python2.7/site-packages/oslo_utils/excutils.py", line 95, in inner_func
<br>2015-07-14 17:15:18.911 5934 TRACE root return infunc(*args, **kwargs)
<br>2015-07-14 17:15:18.911 5934 TRACE root File "/usr/lib/python2.7/site-packages/oslo_messaging/_executors/impl_eventlet.py", line 96, in _executor_thread
<br>2015-07-14 17:15:18.911 5934 TRACE root incoming = self.listener.poll()
<br>2015-07-14 17:15:18.911 5934 TRACE root File "/usr/lib/python2.7/site-packages/oslo_messaging/_drivers/amqpdriver.py", line 122, in poll
<br>2015-07-14 17:15:18.911 5934 TRACE root self.conn.consume(limit=1, timeout=timeout)
<br>2015-07-14 17:15:18.911 5934 TRACE root File "/usr/lib/python2.7/site-packages/oslo_messaging/_drivers/impl_rabbit.py", line 1147, in consume
<br>2015-07-14 17:15:18.911 5934 TRACE root six.next(it)
<br>2015-07-14 17:15:18.911 5934 TRACE root File "/usr/lib/python2.7/site-packages/oslo_messaging/_drivers/impl_rabbit.py", line 1045, in iterconsume
<br>2015-07-14 17:15:18.911 5934 TRACE root error_callback=_error_callback)
<br>2015-07-14 17:15:18.911 5934 TRACE root File "/usr/lib/python2.7/site-packages/oslo_messaging/_drivers/impl_rabbit.py", line 853, in ensure
<br>2015-07-14 17:15:18.911 5934 TRACE root ret, channel = autoretry_method()
<br>2015-07-14 17:15:18.911 5934 TRACE root File "/usr/lib/python2.7/site-packages/kombu/connection.py", line 453, in _ensured
<br>2015-07-14 17:15:18.911 5934 TRACE root return fun(*args, **kwargs)
<br>2015-07-14 17:15:18.911 5934 TRACE root File "/usr/lib/python2.7/site-packages/kombu/connection.py", line 520, in __call__
<br>2015-07-14 17:15:18.911 5934 TRACE root self.revive(create_channel())
<br>2015-07-14 17:15:18.911 5934 TRACE root File "/usr/lib/python2.7/site-packages/kombu/connection.py", line 251, in channel
<br>2015-07-14 17:15:18.911 5934 TRACE root chan = self.transport.create_channel(self.connection)
<br>2015-07-14 17:15:18.911 5934 TRACE root File "/usr/lib/python2.7/site-packages/kombu/transport/pyamqp.py", line 91, in create_channel
<br>2015-07-14 17:15:18.911 5934 TRACE root return connection.channel()
<br>2015-07-14 17:15:18.911 5934 TRACE root File "/usr/lib/python2.7/site-packages/amqp/connection.py", line 279, in channel
<br>2015-07-14 17:15:18.911 5934 TRACE root return self.channels[channel_id]
<br>2015-07-14 17:15:18.911 5934 TRACE root TypeError: 'NoneType' object has no attribute '__getitem__'
<br>2015-07-14 17:15:18.911 5934 TRACE root
<br>2015-07-14 17:15:19.913 5934 ERROR oslo_messaging._drivers.impl_rabbit [-] Failed to consume message from queue: 'NoneType' object has no attribute '__getitem__'
<br>2015-07-14 17:15:20.913 5934 ERROR oslo_messaging._drivers.impl_rabbit [-] Failed to consume message from queue: 'NoneType' object has no attribute '__getitem__'
<br>2015-07-14 17:15:21.915 5934 ERROR oslo_messaging._drivers.impl_rabbit [-] Failed to consume message from queue: 'NoneType' object has no attribute '__getitem__'
<br>2015-07-14 17:15:22.915 5934 ERROR oslo_messaging._drivers.impl_rabbit [-] Failed to consume message from queue: 'NoneType' object has no attribute '__getitem__'
<br>2015-07-14 17:15:23.917 5934 ERROR oslo_messaging._drivers.impl_rabbit [-] Failed to consume message from queue: 'NoneType' object has no attribute '__getitem__'</span>
<div>====================================================================================================================</div><div>PS:my environment:</div><div><span style="background-color: rgba(0, 0, 0, 0); font-size: 10.5pt; line-height: 1.5;"> </span>CentOS 7.1.</div><div><span style="background-color: rgba(0, 0, 0, 0); font-size: 10.5pt; line-height: 1.5;"> </span>OpenStack kilo.</div><div>setup just follow the guide of :<span style="background-color: rgba(0, 0, 0, 0); font-size: 10.5pt; line-height: 1.5;">http://docs.openstack.org/kilo/install-guide/install/yum/content/</span></div><div><span style="background-color: rgba(0, 0, 0, 0);"> </span></div><div><br></div><hr style="width: 210px; height: 1px;" color="#b5c4df" size="1" align="left">
<div><span>walter</span></div>
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