OpenStack Icehouse openstack-nova-novncproxy启动失败
首先查看nova-novncproxy的状态：1
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/etc/init.d/openstack-nova-novncproxy status
openstack-nova-novncproxy dead but pid file exists
然后debug输出看看：
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# /usr/bin/nova-novncproxy --debug
Traceback (most recent call last):
File "/usr/bin/nova-novncproxy", line 10, in <module>
sys.exit(main())
File "/usr/lib/python2.6/site-packages/nova/cmd/novncproxy.py", line 87, in main
wrap_cmd=None)
File "/usr/lib/python2.6/site-packages/nova/console/websocketproxy.py", line 47, in __init__
ssl_target=None, *args, **kwargs)
File "/usr/lib/python2.6/site-packages/websockify/websocketproxy.py", line 231, in __init__
websocket.WebSocketServer.__init__(self, RequestHandlerClass, *args, **kwargs)
TypeError: __init__() got an unexpected keyword argument 'no_parent'
错误原因：
websockify版本太低，升级websockify版本即可。
解决措施：
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pip install websockify==0.5.1
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