gistfile1.txt

Traceback (most recent call last):
  File "/usr/lib/python2.7/dist-packages/eventlet/wsgi.py", line 442, in handle_one_response
    result = self.application(self.environ, start_response)
  File "/usr/lib/python2.7/dist-packages/paste/urlmap.py", line 206, in __call__
    return app(environ, start_response)
  File "/usr/lib/python2.7/dist-packages/keystoneclient/middleware/auth_token.py", line 690, in __call__
    return self.app(env, start_response)
  File "/usr/lib/python2.7/dist-packages/webob/dec.py", line 130, in __call__
    resp = self.call_func(req, *args, **self.kwargs)
  File "/usr/lib/python2.7/dist-packages/webob/dec.py", line 195, in call_func
    return self.func(req, *args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/oslo_middleware/base.py", line 55, in __call__
    response = req.get_response(self.application)
  File "/usr/lib/python2.7/dist-packages/webob/request.py", line 1320, in send
    application, catch_exc_info=False)
  File "/usr/lib/python2.7/dist-packages/webob/request.py", line 1284, in call_application
    app_iter = application(self.environ, start_response)
  File "/usr/lib/python2.7/dist-packages/webob/dec.py", line 130, in __call__
    resp = self.call_func(req, *args, **self.kwargs)
  File "/usr/lib/python2.7/dist-packages/webob/dec.py", line 195, in call_func
    return self.func(req, *args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/oslo_middleware/base.py", line 55, in __call__
    response = req.get_response(self.application)
  File "/usr/lib/python2.7/dist-packages/webob/request.py", line 1320, in send
    application, catch_exc_info=False)
  File "/usr/lib/python2.7/dist-packages/webob/request.py", line 1284, in call_application
    app_iter = application(self.environ, start_response)
  File "/usr/lib/python2.7/dist-packages/webob/dec.py", line 130, in __call__
    resp = self.call_func(req, *args, **self.kwargs)
  File "/usr/lib/python2.7/dist-packages/webob/dec.py", line 195, in call_func
    return self.func(req, *args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/designate/api/middleware.py", line 248, in __call__
    return self._handle_exception(request, e, status, response)
  File "/usr/lib/python2.7/dist-packages/designate/api/middleware.py", line 293, in _handle_exception
    response=json.dumps(response))
  File "/usr/lib/python2.7/dist-packages/oslo_serialization/jsonutils.py", line 186, in dumps
    return json.dumps(obj, default=default, **kwargs)
  File "/usr/lib/python2.7/json/__init__.py", line 250, in dumps
    sort_keys=sort_keys, **kw).encode(obj)
  File "/usr/lib/python2.7/json/encoder.py", line 207, in encode
    chunks = self.iterencode(o, _one_shot=True)
  File "/usr/lib/python2.7/json/encoder.py", line 270, in iterencode
    return _iterencode(o, 0)
ValueError: Circular reference detected