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"No valid host was found." error during booting of a instance

I am seeing the following error while trying to boot an nova instance. Is there something wrong with my setup ?

Thanks in advance, Vivek

{"message": "No valid host was found. ", "code": 500, "details": " File \"/usr/lib/python2.7/dist-packages/nova/conductor/manager.py\", line 616, in build_instanc request_spec, filter_properties)
File \"/usr/lib/python2.7/dist-packages/nova/scheduler/utils.py\", line 256, in wrapped
return func(args, *kwargs)
File \"/usr/lib/python2.7/dist-packages/nova/scheduler/client/__init__.py\", line 50, in select_destinations
context, request_spec, filter_properties)
File \"/usr/lib/python2.7/dist-packages/nova/scheduler/client/__init__.py\", line 35, in __run_method
return getattr(self.instance, __name)(args, *kwargs)
File \"/usr/lib/python2.7/dist-packages/nova/scheduler/client/query.py\", line 34, in select_destinations
context, request_spec, filter_properties)
File \"/usr/lib/python2.7/dist-packages/nova/scheduler/rpcapi.py\", line 108, in select_destinations
request_spec=request_spec, filter_properties=filter_properties)
File \"/usr/lib/python2.7/dist-packages/oslo/messaging/rpc/client.py\", line 152, in call
retry=self.retry)
File \"/usr/lib/python2.7/dist-packages/oslo/messaging/transport.py\", line 90, in _send
timeout=timeout, retry=retry)
File \"/usr/lib/python2.7/dist-packages/oslo/messaging/_drivers/amqpdriver.py\", line 417, in send
retry=retry)
File \"/usr/lib/python2.7/dist-packages/oslo/messaging/_drivers/amqpdriver.py\", line 408, in _send
raise result
", "created": "2015-12-12T07:47:39Z"}
m1.tiny (1)

"No valid host was found." error during booting of a instance

I am seeing the following error while trying to boot an nova instance. Is there something wrong with my setup ?

Thanks in advance, Vivek

{"message": "No valid host was found. ", "code": 500, "details": "  File \"/usr/lib/python2.7/dist-packages/nova/conductor/manager.py\", line 616, in build_instanc
    request_spec, filter_properties) 
File \"/usr/lib/python2.7/dist-packages/nova/scheduler/utils.py\", line 256, in wrapped
return func(args, *kwargs)
func(*args, **kwargs) File \"/usr/lib/python2.7/dist-packages/nova/scheduler/client/__init__.py\", line 50, in select_destinations
context, request_spec, filter_properties)
File \"/usr/lib/python2.7/dist-packages/nova/scheduler/client/__init__.py\", line 35, in __run_method
return getattr(self.instance, __name)(args, *kwargs)
__name)(*args, **kwargs) File \"/usr/lib/python2.7/dist-packages/nova/scheduler/client/query.py\", line 34, in select_destinations
context, request_spec, filter_properties)
File \"/usr/lib/python2.7/dist-packages/nova/scheduler/rpcapi.py\", line 108, in select_destinations
request_spec=request_spec, filter_properties=filter_properties)
File \"/usr/lib/python2.7/dist-packages/oslo/messaging/rpc/client.py\", line 152, in call
retry=self.retry)
File \"/usr/lib/python2.7/dist-packages/oslo/messaging/transport.py\", line 90, in _send
timeout=timeout, retry=retry)
File \"/usr/lib/python2.7/dist-packages/oslo/messaging/_drivers/amqpdriver.py\", line 417, in send
retry=retry)
File \"/usr/lib/python2.7/dist-packages/oslo/messaging/_drivers/amqpdriver.py\", line 408, in _send
raise result
", "created": "2015-12-12T07:47:39Z"}
m1.tiny (1)

(1)