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["??????" <zhangjl@xxxxxxxxxxx>]

Dear all,
    I have some questions about OpenStack Nova Compute(Essex) using novnc.
    I build a cluster using 4 computers with OpenStack Nova Compute in multihost.
    The follows were informations of my cluster:
    
    nova01:compute server,api server,controller server  192.168.3.3
    nova02:compute server                               192.168.3.4
    nova03:compute server                               192.168.3.5
    nova04:compute server                               192.168.3.6
    
    And the vms`s fixed was 10.0.0.0/8
    
    Here was my nova.conf:
    http://pastebin.com/K6ArR1HA
    
    While,when i executed the command 
    "nova get-vnc-console <servername> novnc"
    then,error occured.
    
    Here were the error informations:
    
    2012-10-25 14:25:27 ERROR nova.rpc.impl_qpid [req-1ad62be7-8eeb-43a5-898c-f3552b9f7748 3faf7062208c456c9a9365ee50bf15cd 561a547e94c7
    4ce797d0ef1f4bc91f91] Timed out waiting for RPC response: None
    2012-10-25 14:25:27 TRACE nova.rpc.impl_qpid Traceback (most recent call last):
    2012-10-25 14:25:27 TRACE nova.rpc.impl_qpid   File "/usr/lib/python2.6/site-packages/nova/rpc/impl_qpid.py", line 364, in ensure
    2012-10-25 14:25:27 TRACE nova.rpc.impl_qpid     return method(*args, **kwargs)
    2012-10-25 14:25:27 TRACE nova.rpc.impl_qpid   File "/usr/lib/python2.6/site-packages/nova/rpc/impl_qpid.py", line 413, in _consume
    2012-10-25 14:25:27 TRACE nova.rpc.impl_qpid     nxt_receiver = self.session.next_receiver(timeout=timeout)
    2012-10-25 14:25:27 TRACE nova.rpc.impl_qpid   File "<string>", line 6, in next_receiver
    2012-10-25 14:25:27 TRACE nova.rpc.impl_qpid   File "/usr/lib/python2.6/site-packages/qpid/messaging/endpoints.py", line 651, in nex
    t_receiver
    2012-10-25 14:25:27 TRACE nova.rpc.impl_qpid     raise Empty
    2012-10-25 14:25:27 TRACE nova.rpc.impl_qpid Empty: None
    2012-10-25 14:25:27 TRACE nova.rpc.impl_qpid
    2012-10-25 14:25:27 ERROR nova.api.openstack [req-1ad62be7-8eeb-43a5-898c-f3552b9f7748 3faf7062208c456c9a9365ee50bf15cd 561a547e94c7
    4ce797d0ef1f4bc91f91] Caught error: Timeout while waiting on RPC response.
    2012-10-25 14:25:27 TRACE nova.api.openstack Traceback (most recent call last):
    2012-10-25 14:25:27 TRACE nova.api.openstack   File "/usr/lib/python2.6/site-packages/nova/api/openstack/__init__.py", line 82, in _
    _call__
    2012-10-25 14:25:27 TRACE nova.api.openstack     return req.get_response(self.application)
    2012-10-25 14:25:27 TRACE nova.api.openstack   File "/usr/lib/python2.6/site-packages/WebOb-1.0.8-py2.6.egg/webob/request.py", line
    1053, in get_response
    2012-10-25 14:25:27 TRACE nova.api.openstack     application, catch_exc_info=False)
    2012-10-25 14:25:27 TRACE nova.api.openstack   File "/usr/lib/python2.6/site-packages/WebOb-1.0.8-py2.6.egg/webob/request.py", line
    1022, in call_application
    2012-10-25 14:25:27 TRACE nova.api.openstack     app_iter = application(self.environ, start_response)
    2012-10-25 14:25:27 TRACE nova.api.openstack   File "/usr/lib/python2.6/site-packages/keystone/middleware/auth_token.py", line 176,
    in __call__
    2012-10-25 14:25:27 TRACE nova.api.openstack     return self.app(env, start_response)
    2012-10-25 14:25:27 TRACE nova.api.openstack   File "/usr/lib/python2.6/site-packages/WebOb-1.0.8-py2.6.egg/webob/dec.py", line 159,
     in __call__
    2012-10-25 14:25:27 TRACE nova.api.openstack     return resp(environ, start_response)
    2012-10-25 14:25:27 TRACE nova.api.openstack   File "/usr/lib/python2.6/site-packages/WebOb-1.0.8-py2.6.egg/webob/dec.py", line 159,
     in __call__
    2012-10-25 14:25:27 TRACE nova.api.openstack     return resp(environ, start_response)
    2012-10-25 14:25:27 TRACE nova.api.openstack   File "/usr/lib/python2.6/site-packages/WebOb-1.0.8-py2.6.egg/webob/dec.py", line 159,
     in __call__
    2012-10-25 14:25:27 TRACE nova.api.openstack     return resp(environ, start_response)
    2012-10-25 14:25:27 TRACE nova.api.openstack   File "/usr/lib/python2.6/site-packages/Routes-1.12.3-py2.6.egg/routes/middleware.py",
     line 131, in __call__
    2012-10-25 14:25:27 TRACE nova.api.openstack     response = self.app(environ, start_response)
    2012-10-25 14:25:27 TRACE nova.api.openstack   File "/usr/lib/python2.6/site-packages/WebOb-1.0.8-py2.6.egg/webob/dec.py", line 159,
     in __call__
    2012-10-25 14:25:27 TRACE nova.api.openstack     return resp(environ, start_response)
    2012-10-25 14:25:27 TRACE nova.api.openstack   File "/usr/lib/python2.6/site-packages/WebOb-1.0.8-py2.6.egg/webob/dec.py", line 147,
     in __call__
    2012-10-25 14:25:27 TRACE nova.api.openstack     resp = self.call_func(req, *args, **self.kwargs)
    2012-10-25 14:25:27 TRACE nova.api.openstack   File "/usr/lib/python2.6/site-packages/WebOb-1.0.8-py2.6.egg/webob/dec.py", line 208,
     in call_func
    2012-10-25 14:25:27 TRACE nova.api.openstack     return self.func(req, *args, **kwargs)
    2012-10-25 14:25:27 TRACE nova.api.openstack   File "/usr/lib/python2.6/site-packages/nova/api/openstack/wsgi.py", line 806, in __ca
    ll__
    2012-10-25 14:25:27 TRACE nova.api.openstack     content_type, body, accept)
    2012-10-25 14:25:27 TRACE nova.api.openstack   File "/usr/lib/python2.6/site-packages/nova/api/openstack/wsgi.py", line 854, in _pro
    cess_stack
    2012-10-25 14:25:27 TRACE nova.api.openstack     action_result = self.dispatch(meth, request, action_args)
    2012-10-25 14:25:27 TRACE nova.api.openstack   File "/usr/lib/python2.6/site-packages/nova/api/openstack/wsgi.py", line 929, in disp
    atch
    2012-10-25 14:25:27 TRACE nova.api.openstack     return method(req=request, **action_args)
    2012-10-25 14:25:27 TRACE nova.api.openstack   File "/usr/lib/python2.6/site-packages/nova/api/openstack/compute/contrib/consoles.py
    ", line 54, in get_vnc_console
    2012-10-25 14:25:27 TRACE nova.api.openstack     console_type)
    2012-10-25 14:25:27 TRACE nova.api.openstack   File "/usr/lib/python2.6/site-packages/nova/compute/api.py", line 100, in wrapped
    2012-10-25 14:25:27 TRACE nova.api.openstack     return func(self, context, target, *args, **kwargs)
    2012-10-25 14:25:27 TRACE nova.api.openstack   File "/usr/lib/python2.6/site-packages/nova/compute/api.py", line 1553, in get_vnc_co
    nsole
    2012-10-25 14:25:27 TRACE nova.api.openstack     connect_info['internal_access_path']}})
    2012-10-25 14:25:27 TRACE nova.api.openstack   File "/usr/lib/python2.6/site-packages/nova/rpc/__init__.py", line 68, in call
    2012-10-25 14:25:27 TRACE nova.api.openstack     return _get_impl().call(context, topic, msg, timeout)
    2012-10-25 14:25:27 TRACE nova.api.openstack   File "/usr/lib/python2.6/site-packages/nova/rpc/impl_qpid.py", line 526, in call
    2012-10-25 14:25:27 TRACE nova.api.openstack     return rpc_amqp.call(context, topic, msg, timeout, Connection.pool)
    2012-10-25 14:25:27 TRACE nova.api.openstack   File "/usr/lib/python2.6/site-packages/nova/rpc/amqp.py", line 343, in call
    2012-10-25 14:25:27 TRACE nova.api.openstack     rv = list(rv)
    2012-10-25 14:25:27 TRACE nova.api.openstack   File "/usr/lib/python2.6/site-packages/nova/rpc/amqp.py", line 304, in __iter__
    2012-10-25 14:25:27 TRACE nova.api.openstack     self.done()
    2012-10-25 14:25:27 TRACE nova.api.openstack   File "/usr/lib64/python2.6/contextlib.py", line 23, in __exit__
    2012-10-25 14:25:27 TRACE nova.api.openstack     self.gen.next()
    2012-10-25 14:25:27 TRACE nova.api.openstack   File "/usr/lib/python2.6/site-packages/nova/rpc/amqp.py", line 301, in __iter__
    2012-10-25 14:25:27 TRACE nova.api.openstack     self._iterator.next()
    2012-10-25 14:25:27 TRACE nova.api.openstack   File "/usr/lib/python2.6/site-packages/nova/rpc/impl_qpid.py", line 422, in iterconsu
    me
    2012-10-25 14:25:27 TRACE nova.api.openstack     yield self.ensure(_error_callback, _consume)
    2012-10-25 14:25:27 TRACE nova.api.openstack   File "/usr/lib/python2.6/site-packages/nova/rpc/impl_qpid.py", line 368, in ensure
    2012-10-25 14:25:27 TRACE nova.api.openstack     error_callback(e)
    2012-10-25 14:25:27 TRACE nova.api.openstack   File "/usr/lib/python2.6/site-packages/nova/rpc/impl_qpid.py", line 407, in _error_ca
    llback
    2012-10-25 14:25:27 TRACE nova.api.openstack     raise rpc_common.Timeout()
    2012-10-25 14:25:27 TRACE nova.api.openstack Timeout: Timeout while waiting on RPC response.

    Is there anyone can help me?
    Waiting your reply.

------------------
 Best Regards
  
 ZhangJialong