sagar@sagar-esx1:~/devstack/logs/screen$ screen -r
    service.wait()
  File "/usr/local/lib/python2.7/dist-packages/eventlet-0.12.1-py2.7.egg/eventlet/greenthread.py", line 168, in wait
    return self._exit_event.wait()
  File "/usr/local/lib/python2.7/dist-packages/eventlet-0.12.1-py2.7.egg/eventlet/event.py", line 116, in wait
    return hubs.get_hub().switch()
  File "/usr/local/lib/python2.7/dist-packages/eventlet-0.12.1-py2.7.egg/eventlet/hubs/hub.py", line 187, in switch
    return self.greenlet.switch()
  File "/usr/local/lib/python2.7/dist-packages/eventlet-0.12.1-py2.7.egg/eventlet/greenthread.py", line 194, in main
    result = function(*args, **kwargs)
  File "/opt/stack/nova/nova/service.py", line 147, in run_server
    server.start()
  File "/opt/stack/nova/nova/service.py", line 429, in start
    self.manager.init_host()
  File "/opt/stack/nova/nova/network/manager.py", line 1600, in init_host
    networks = self.db.network_get_all_by_host(ctxt, self.host)
  File "/opt/stack/nova/nova/db/api.py", line 863, in network_get_all_by_host
    return IMPL.network_get_all_by_host(context, host)
  File "/opt/stack/nova/nova/db/sqlalchemy/api.py", line 96, in wrapper
    return f(*args, **kwargs)
  File "/opt/stack/nova/nova/db/sqlalchemy/api.py", line 2270, in network_get_all_by_host
    session = get_session()
  File "/opt/stack/nova/nova/openstack/common/db/sqlalchemy/session.py", line 325, in get_session
    engine = get_engine()
  File "/opt/stack/nova/nova/openstack/common/db/sqlalchemy/session.py", line 446, in get_engine
    _ENGINE = create_engine(CONF.sql_connection)
  File "/opt/stack/nova/nova/openstack/common/db/sqlalchemy/session.py", line 505, in create_engine
    connection_dict = sqlalchemy.engine.url.make_url(sql_connection)
  File "/usr/local/lib/python2.7/dist-packages/SQLAlchemy-0.7.10-py2.7.egg/sqlalchemy/engine/url.py", line 178, in make_url
    return _parse_rfc1738_args(name_or_url)
  File "/usr/local/lib/python2.7/dist-packages/SQLAlchemy-0.7.10-py2.7.egg/sqlalchemy/engine/url.py", line 219, in _parse_rfc1738_args
    "Could not parse rfc1738 URL from string '%s'" % name)