not able to create vn through contrail-api

[aswani kumar]

using kilo 3.1 build 2
I tried to create vn through contrail-api got the following errors

Traceback (most recent call last):
  File "/contrail-test-local/fixtures/quantum_test.py", line 482, in get_subnets_of_vn
    subnets.append(self.obj.show_subnet(subnet_id)['subnet'])
  File "/usr/lib/python2.7/dist-packages/neutronclient/v2_0/client.py", line 99, in with_params
    ret = self.function(instance, *args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/neutronclient/v2_0/client.py", line 563, in show_subnet
    return self.get(self.subnet_path % (subnet), params=_params)
  File "/usr/lib/python2.7/dist-packages/neutronclient/v2_0/client.py", line 290, in get
    headers=headers, params=params)
  File "/usr/lib/python2.7/dist-packages/neutronclient/v2_0/client.py", line 267, in retry_request
    headers=headers, params=params)
  File "/usr/lib/python2.7/dist-packages/neutronclient/v2_0/client.py", line 208, in do_request
    self._handle_fault_response(status_code, replybody)
  File "/usr/lib/python2.7/dist-packages/neutronclient/v2_0/client.py", line 182, in _handle_fault_response
    exception_handler_v20(status_code, des_error_body)
  File "/usr/lib/python2.7/dist-packages/neutronclient/v2_0/client.py", line 80, in exception_handler_v20
    message=message)
NeutronClientException: 404 Not Found

The resource could not be found

The below was the traceback in contrail-api log

Traceback (most recent call last):
  File "/usr/lib/python2.7/dist-packages/vnc_cfg_api_server/vnc_cfg_api_server.py", line 2236, in ref_update_http_post
    self._extension_mgrs['resourceApi'].map_method(post_func, obj_uuid, obj_dict, read_result)
  File "/usr/lib/python2.7/dist-packages/stevedore/extension.py", line 251, in map_method
    method_name, *args, **kwds)
  File "/usr/lib/python2.7/dist-packages/stevedore/extension.py", line 224, in map
    self._invoke_one_plugin(response.append, func, e, args, kwds)
  File "/usr/lib/python2.7/dist-packages/stevedore/extension.py", line 255, in _invoke_one_plugin
    response_callback(func(e, *args, **kwds))
  File "/usr/lib/python2.7/dist-packages/stevedore/extension.py", line 229, in _call_extension_method
    return getattr(extension.obj, method_name)(*args, **kwds)
  File "/usr/lib/python2.7/dist-packages/vnc_openstack/__init__.py", line 805, in wrapper
    return func(self, *args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/vnc_openstack/__init__.py", line 923, in post_virtual_network_update
    self._vnc_lib.kv_store(new_subnets[subnet], subnet)
  File "/usr/lib/python2.7/dist-packages/vnc_api/vnc_api.py", line 39, in wrapper
    return func(self, *args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/vnc_api/vnc_api.py", line 985, in kv_store
    self._request_server(rest.OP_POST, uri, data=json_body)
  File "/usr/lib/python2.7/dist-packages/vnc_api/vnc_api.py", line 706, in _request_server
    retry_count=retry_count)
  File "/usr/lib/python2.7/dist-packages/vnc_api/vnc_api.py", line 769, in _request
    raise HttpError(status, content)
HttpError: HTTP Status: 500 Content: Internal Server Error

__default__ [SYS_WARN]: VncApiError: It is not recommended to use 'get' or 'multiget' pycassa methods. It's better to use 'xget' or 'get_range' methods due to thrift limitations
07/19/2016 07:12:42 PM [contrail-api]: __default__ [SYS_WARN]: VncApiError: It is not recommended to use 'get' or 'multiget' pycassa methods. It's better to use 'xget' or 'get_range' methods due to thrift limitations
07/19/2016 07:12:42 PM [contrail-api]: __default__ [SYS_WARN]: VncApiError: It is not recommended to use 'get' or 'multiget' pycassa methods. It's better to use 'xget' or 'get_range' methods due to thrift limitations
07/19/2016 07:12:42 PM [contrail-api]: __default__ [SYS_WARN]: VncApiError: It is not recommended to use 'get' or 'multiget' pycassa methods. It's better to use 'xget' or 'get_range' methods due to thrift limitations
07/19/2016 07:12:42 PM [contrail-api]: SANDESH: Ratelimit Drop (100 messages/sec): for VncApiError

[Sachin Bansal (sbansal)]

Fix committed with commit id 8b90cf3fbbcf2d3bdff360744558e06a7fe90de7 in controller repo