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nova-api showing error on controller node

nova-api --debug |& tee /var/log/nova/nova-api.log 2013-06-28 12:27:17.570 11030 DEBUG nova.wsgi [-] Loading app ec2 from /etc/nova/api-paste.ini load_app /usr/lib/python2.7/dist-packages/nova/wsgi.py:481 2013-06-28 12:27:17.634 11030 INFO nova.manager [-] Skipping periodic task _periodic_update_dns because its interval is negative 2013-06-28 12:27:17.697 11030 DEBUG nova.servicegroup.api [-] ServiceGroup driver defined as an instance of db __new__ /usr/lib/python2.7/dist-packages/nova/servicegroup/api.py:61 2013-06-28 12:27:17.707 11030 CRITICAL nova [-] [Errno 98] Address already in use 2013-06-28 12:27:17.707 11030 TRACE nova Traceback (most recent call last): 2013-06-28 12:27:17.707 11030 TRACE nova File "/usr/bin/nova-api", line 59, in <module> 2013-06-28 12:27:17.707 11030 TRACE nova max_url_len=16384) 2013-06-28 12:27:17.707 11030 TRACE nova File "/usr/lib/python2.7/dist-packages/nova/service.py", line 608, in __init__ 2013-06-28 12:27:17.707 11030 TRACE nova max_url_len=max_url_len) 2013-06-28 12:27:17.707 11030 TRACE nova File "/usr/lib/python2.7/dist-packages/nova/wsgi.py", line 120, in __init__ 2013-06-28 12:27:17.707 11030 TRACE nova self._socket = eventlet.listen(bind_addr, family, backlog=backlog) 2013-06-28 12:27:17.707 11030 TRACE nova File "/usr/lib/python2.7/dist-packages/eventlet/convenience.py", line 38, in listen 2013-06-28 12:27:17.707 11030 TRACE nova sock.bind(addr) 2013-06-28 12:27:17.707 11030 TRACE nova File "/usr/lib/python2.7/socket.py", line 224, in meth 2013-06-28 12:27:17.707 11030 TRACE nova return getattr(self._sock,name)(*args) 2013-06-28 12:27:17.707 11030 TRACE nova error: [Errno 98] Address already in use 2013-06-28 12:27:17.707 11030 TRACE nova

nova-api showing How to solve "Address already in use" error on nova-api controller node

nova-api --debug |& tee /var/log/nova/nova-api.log
2013-06-28 12:27:17.570 11030 DEBUG nova.wsgi [-] Loading app ec2 from /etc/nova/api-paste.ini load_app /usr/lib/python2.7/dist-packages/nova/wsgi.py:481
2013-06-28 12:27:17.634 11030 INFO nova.manager [-] Skipping periodic task _periodic_update_dns because its interval is negative
2013-06-28 12:27:17.697 11030 DEBUG nova.servicegroup.api [-] ServiceGroup driver defined as an instance of db __new__ /usr/lib/python2.7/dist-packages/nova/servicegroup/api.py:61
2013-06-28 12:27:17.707 11030 CRITICAL nova [-] [Errno 98] Address already in use
2013-06-28 12:27:17.707 11030 TRACE nova Traceback (most recent call last):
2013-06-28 12:27:17.707 11030 TRACE nova   File "/usr/bin/nova-api", line 59, in <module>
2013-06-28 12:27:17.707 11030 TRACE nova     max_url_len=16384)
2013-06-28 12:27:17.707 11030 TRACE nova   File "/usr/lib/python2.7/dist-packages/nova/service.py", line 608, in __init__
2013-06-28 12:27:17.707 11030 TRACE nova     max_url_len=max_url_len)
2013-06-28 12:27:17.707 11030 TRACE nova   File "/usr/lib/python2.7/dist-packages/nova/wsgi.py", line 120, in __init__
2013-06-28 12:27:17.707 11030 TRACE nova     self._socket = eventlet.listen(bind_addr, family, backlog=backlog)
2013-06-28 12:27:17.707 11030 TRACE nova   File "/usr/lib/python2.7/dist-packages/eventlet/convenience.py", line 38, in listen
2013-06-28 12:27:17.707 11030 TRACE nova     sock.bind(addr)
2013-06-28 12:27:17.707 11030 TRACE nova   File "/usr/lib/python2.7/socket.py", line 224, in meth
2013-06-28 12:27:17.707 11030 TRACE nova     return getattr(self._sock,name)(*args)
2013-06-28 12:27:17.707 11030 TRACE nova error: [Errno 98] Address already in use
2013-06-28 12:27:17.707 11030 TRACE nova 

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How to solve "Address already in use" error on nova-api controller node

nova-api --debug |& tee /var/log/nova/nova-api.log
2013-06-28 12:27:17.570 11030 DEBUG nova.wsgi [-] Loading app ec2 from /etc/nova/api-paste.ini load_app /usr/lib/python2.7/dist-packages/nova/wsgi.py:481
2013-06-28 12:27:17.634 11030 INFO nova.manager [-] Skipping periodic task _periodic_update_dns because its interval is negative
2013-06-28 12:27:17.697 11030 DEBUG nova.servicegroup.api [-] ServiceGroup driver defined as an instance of db __new__ /usr/lib/python2.7/dist-packages/nova/servicegroup/api.py:61
2013-06-28 12:27:17.707 11030 CRITICAL nova [-] [Errno 98] Address already in use
2013-06-28 12:27:17.707 11030 TRACE nova Traceback (most recent call last):
2013-06-28 12:27:17.707 11030 TRACE nova   File "/usr/bin/nova-api", line 59, in <module>
2013-06-28 12:27:17.707 11030 TRACE nova     max_url_len=16384)
2013-06-28 12:27:17.707 11030 TRACE nova   File "/usr/lib/python2.7/dist-packages/nova/service.py", line 608, in __init__
2013-06-28 12:27:17.707 11030 TRACE nova     max_url_len=max_url_len)
2013-06-28 12:27:17.707 11030 TRACE nova   File "/usr/lib/python2.7/dist-packages/nova/wsgi.py", line 120, in __init__
2013-06-28 12:27:17.707 11030 TRACE nova     self._socket = eventlet.listen(bind_addr, family, backlog=backlog)
2013-06-28 12:27:17.707 11030 TRACE nova   File "/usr/lib/python2.7/dist-packages/eventlet/convenience.py", line 38, in listen
2013-06-28 12:27:17.707 11030 TRACE nova     sock.bind(addr)
2013-06-28 12:27:17.707 11030 TRACE nova   File "/usr/lib/python2.7/socket.py", line 224, in meth
2013-06-28 12:27:17.707 11030 TRACE nova     return getattr(self._sock,name)(*args)
2013-06-28 12:27:17.707 11030 TRACE nova error: [Errno 98] Address already in use
2013-06-28 12:27:17.707 11030 TRACE nova