[rhos-list] "UnsupportedRpcVersion" on new compute node

[Vogel Nicolas]

Hi,

I just successfully installed a new compute node like described on the RDO website.
The new compute node isn’t recognized by the controller, because the openstack-nova-compute service is unable to start.
The “openstack-status” command shows me the service as Dead.
The compute logs say that there is a problem with the RPC version. But why is the version on the compute node different from the controller one?
I already installed another compute node two weeks ago and I had no problem.

Here are the compute logs:
[u'Traceback (most recent call last):\n', u'  File "/usr/lib/python2.6/site-packages/nova/openstack/common/rpc/amqp.py", line 430, in _process_data\n    rval = self.proxy.dispatch(ctxt, version, method, **args)\n', u'  File "/usr/lib/python2.6/site-packages/nova/openstack/common/rpc/dispatcher.py", line 138, in dispatch\n    raise rpc_common.UnsupportedRpcVersion(version=version)\n', u'UnsupportedRpcVersion: Specified RPC version, 1.47, not supported by this endpoint.\n'].
2013-05-27 11:43:23.247 1775 CRITICAL nova [-] Remote error: UnsupportedRpcVersion Specified RPC version, 1.47, not supported by this endpoint.
[u'Traceback (most recent call last):\n', u'  File "/usr/lib/python2.6/site-packages/nova/openstack/common/rpc/amqp.py", line 430, in _process_data\n    rval = self.proxy.dispatch(ctxt, version, method, **args)\n', u'  File "/usr/lib/python2.6/site-packages/nova/openstack/common/rpc/dispatcher.py", line 138, in dispatch\n    raise rpc_common.UnsupportedRpcVersion(version=version)\n', u'UnsupportedRpcVersion: Specified RPC version, 1.47, not supported by this endpoint.\n'].
2013-05-28 13:49:11.518 19840 CRITICAL nova [-] Remote error: UnsupportedRpcVersion Specified RPC version, 1.47, not supported by this endpoint.
[u'Traceback (most recent call last):\n', u'  File "/usr/lib/python2.6/site-packages/nova/openstack/common/rpc/amqp.py", line 430, in _process_data\n    rval = self.proxy.dispatch(ctxt, version, method, **args)\n', u'  File "/usr/lib/python2.6/site-packages/nova/openstack/common/rpc/dispatcher.py", line 138, in dispatch\n    raise rpc_common.UnsupportedRpcVersion(version=version)\n', u'UnsupportedRpcVersion: Specified RPC version, 1.47, not supported by this endpoint.\n'].

If somebody knows what to do, please answer.
Thanks,

Nicolas.
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