# Pastebin 4b66rFNo
Aug 07 16:39:54 ubuntu devstack@c-api.service[2553]: CRITICAL cinder [None req-6e1f760a-a635-4863-87ec-51c03d00f329 admin admin] Unhandled error: TypeError: coercing to Unicode: need string or buffer, tuple found
Aug 07 16:39:54 ubuntu devstack@c-api.service[2553]: ERROR cinder Traceback (most recent call last):
Aug 07 16:39:54 ubuntu devstack@c-api.service[2553]: ERROR cinder   File "/usr/local/lib/python2.7/dist-packages/paste/urlmap.py", line 216, in __call__
Aug 07 16:39:54 ubuntu devstack@c-api.service[2553]: ERROR cinder     return app(environ, start_response)
Aug 07 16:39:54 ubuntu devstack@c-api.service[2553]: ERROR cinder   File "/usr/local/lib/python2.7/dist-packages/webob/dec.py", line 131, in __call__
Aug 07 16:39:54 ubuntu devstack@c-api.service[2553]: ERROR cinder     resp = self.call_func(req, *args, **self.kwargs)
Aug 07 16:39:54 ubuntu devstack@c-api.service[2553]: ERROR cinder   File "/usr/local/lib/python2.7/dist-packages/webob/dec.py", line 196, in call_func
Aug 07 16:39:54 ubuntu devstack@c-api.service[2553]: ERROR cinder     return self.func(req, *args, **kwargs)
Aug 07 16:39:54 ubuntu devstack@c-api.service[2553]: ERROR cinder   File "/usr/local/lib/python2.7/dist-packages/oslo_middleware/base.py", line 131, in __call__
Aug 07 16:39:54 ubuntu devstack@c-api.service[2553]: ERROR cinder     response = req.get_response(self.application)
Aug 07 16:39:54 ubuntu devstack@c-api.service[2553]: ERROR cinder   File "/usr/local/lib/python2.7/dist-packages/webob/request.py", line 1316, in send
Aug 07 16:39:54 ubuntu devstack@c-api.service[2553]: ERROR cinder     application, catch_exc_info=False)
Aug 07 16:39:54 ubuntu devstack@c-api.service[2553]: ERROR cinder   File "/usr/local/lib/python2.7/dist-packages/webob/request.py", line 1280, in call_application
Aug 07 16:39:54 ubuntu devstack@c-api.service[2553]: ERROR cinder     app_iter = application(self.environ, start_response)
Aug 07 16:39:54 ubuntu devstack@c-api.service[2553]: ERROR cinder   File "/usr/local/lib/python2.7/dist-packages/webob/dec.py", line 131, in __call__
Aug 07 16:39:54 ubuntu devstack@c-api.service[2553]: ERROR cinder     resp = self.call_func(req, *args, **self.kwargs)
Aug 07 16:39:54 ubuntu devstack@c-api.service[2553]: ERROR cinder   File "/usr/local/lib/python2.7/dist-packages/webob/dec.py", line 196, in call_func
Aug 07 16:39:54 ubuntu devstack@c-api.service[2553]: ERROR cinder     return self.func(req, *args, **kwargs)
Aug 07 16:39:54 ubuntu devstack@c-api.service[2553]: ERROR cinder   File "/usr/local/lib/python2.7/dist-packages/oslo_middleware/base.py", line 131, in __call__
Aug 07 16:39:54 ubuntu devstack@c-api.service[2553]: ERROR cinder     response = req.get_response(self.application)
Aug 07 16:39:54 ubuntu devstack@c-api.service[2553]: ERROR cinder   File "/usr/local/lib/python2.7/dist-packages/webob/request.py", line 1316, in send
Aug 07 16:39:54 ubuntu devstack@c-api.service[2553]: ERROR cinder     application, catch_exc_info=False)
Aug 07 16:39:54 ubuntu devstack@c-api.service[2553]: ERROR cinder   File "/usr/local/lib/python2.7/dist-packages/webob/request.py", line 1280, in call_application
Aug 07 16:39:54 ubuntu devstack@c-api.service[2553]: ERROR cinder     app_iter = application(self.environ, start_response)
Aug 07 16:39:54 ubuntu devstack@c-api.service[2553]: ERROR cinder   File "/usr/local/lib/python2.7/dist-packages/webob/dec.py", line 131, in __call__
Aug 07 16:39:54 ubuntu devstack@c-api.service[2553]: ERROR cinder     resp = self.call_func(req, *args, **self.kwargs)
Aug 07 16:39:54 ubuntu devstack@c-api.service[2553]: ERROR cinder   File "/usr/local/lib/python2.7/dist-packages/webob/dec.py", line 196, in call_func
Aug 07 16:39:54 ubuntu devstack@c-api.service[2553]: ERROR cinder     return self.func(req, *args, **kwargs)
Aug 07 16:39:54 ubuntu devstack@c-api.service[2553]: ERROR cinder   File "/usr/local/lib/python2.7/dist-packages/oslo_middleware/request_id.py", line 58, in __call__
Aug 07 16:39:54 ubuntu devstack@c-api.service[2553]: ERROR cinder     response = req.get_response(self.application)
Aug 07 16:39:54 ubuntu devstack@c-api.service[2553]: ERROR cinder   File "/usr/local/lib/python2.7/dist-packages/webob/request.py", line 1316, in send
Aug 07 16:39:54 ubuntu devstack@c-api.service[2553]: ERROR cinder     application, catch_exc_info=False)
Aug 07 16:39:54 ubuntu devstack@c-api.service[2553]: ERROR cinder   File "/usr/local/lib/python2.7/dist-packages/webob/request.py", line 1280, in call_application
Aug 07 16:39:54 ubuntu devstack@c-api.service[2553]: ERROR cinder     app_iter = application(self.environ, start_response)
Aug 07 16:39:54 ubuntu devstack@c-api.service[2553]: ERROR cinder   File "/usr/local/lib/python2.7/dist-packages/webob/dec.py", line 131, in __call__
Aug 07 16:39:54 ubuntu devstack@c-api.service[2553]: ERROR cinder     resp = self.call_func(req, *args, **self.kwargs)
Aug 07 16:39:54 ubuntu devstack@c-api.service[2553]: ERROR cinder   File "/usr/local/lib/python2.7/dist-packages/webob/dec.py", line 196, in call_func
Aug 07 16:39:54 ubuntu devstack@c-api.service[2553]: ERROR cinder     return self.func(req, *args, **kwargs)
Aug 07 16:39:54 ubuntu devstack@c-api.service[2553]: ERROR cinder   File "/opt/stack/cinder/cinder/api/middleware/fault.py", line 80, in __call__
Aug 07 16:39:54 ubuntu devstack@c-api.service[2553]: ERROR cinder     return req.get_response(self.application)
Aug 07 16:39:54 ubuntu devstack@c-api.service[2553]: ERROR cinder   File "/usr/local/lib/python2.7/dist-packages/webob/request.py", line 1316, in send
Aug 07 16:39:54 ubuntu devstack@c-api.service[2553]: ERROR cinder     application, catch_exc_info=False)
Aug 07 16:39:54 ubuntu devstack@c-api.service[2553]: ERROR cinder   File "/usr/local/lib/python2.7/dist-packages/webob/request.py", line 1280, in call_application
Aug 07 16:39:54 ubuntu devstack@c-api.service[2553]: ERROR cinder     app_iter = application(self.environ, start_response)
Aug 07 16:39:54 ubuntu devstack@c-api.service[2553]: ERROR cinder   File "/usr/local/lib/python2.7/dist-packages/webob/dec.py", line 145, in __call__
Aug 07 16:39:54 ubuntu devstack@c-api.service[2553]: ERROR cinder     return resp(environ, start_response)
Aug 07 16:39:54 ubuntu devstack@c-api.service[2553]: ERROR cinder   File "/usr/local/lib/python2.7/dist-packages/webob/dec.py", line 131, in __call__
Aug 07 16:39:54 ubuntu devstack@c-api.service[2553]: ERROR cinder     resp = self.call_func(req, *args, **self.kwargs)
Aug 07 16:39:54 ubuntu devstack@c-api.service[2553]: ERROR cinder   File "/usr/local/lib/python2.7/dist-packages/webob/dec.py", line 196, in call_func
Aug 07 16:39:54 ubuntu devstack@c-api.service[2553]: ERROR cinder     return self.func(req, *args, **kwargs)
Aug 07 16:39:54 ubuntu devstack@c-api.service[2553]: ERROR cinder   File "/usr/local/lib/python2.7/dist-packages/osprofiler/web.py", line 108, in __call__
Aug 07 16:39:54 ubuntu devstack@c-api.service[2553]: ERROR cinder     return request.get_response(self.application)
Aug 07 16:39:54 ubuntu devstack@c-api.service[2553]: ERROR cinder   File "/usr/local/lib/python2.7/dist-packages/webob/request.py", line 1316, in send
Aug 07 16:39:54 ubuntu devstack@c-api.service[2553]: ERROR cinder     application, catch_exc_info=False)
Aug 07 16:39:54 ubuntu devstack@c-api.service[2553]: ERROR cinder   File "/usr/local/lib/python2.7/dist-packages/webob/request.py", line 1280, in call_application
Aug 07 16:39:54 ubuntu devstack@c-api.service[2553]: ERROR cinder     app_iter = application(self.environ, start_response)
Aug 07 16:39:54 ubuntu devstack@c-api.service[2553]: ERROR cinder   File "/usr/local/lib/python2.7/dist-packages/webob/dec.py", line 131, in __call__
Aug 07 16:39:54 ubuntu devstack@c-api.service[2553]: ERROR cinder     resp = self.call_func(req, *args, **self.kwargs)
Aug 07 16:39:54 ubuntu devstack@c-api.service[2553]: ERROR cinder   File "/usr/local/lib/python2.7/dist-packages/webob/dec.py", line 196, in call_func
Aug 07 16:39:54 ubuntu devstack@c-api.service[2553]: ERROR cinder     return self.func(req, *args, **kwargs)
Aug 07 16:39:54 ubuntu devstack@c-api.service[2553]: ERROR cinder   File "/usr/local/lib/python2.7/dist-packages/keystonemiddleware/auth_token/__init__.py", line 334, in __call__
Aug 07 16:39:54 ubuntu devstack@c-api.service[2553]: ERROR cinder     response = req.get_response(self._app)
Aug 07 16:39:54 ubuntu devstack@c-api.service[2553]: ERROR cinder   File "/usr/local/lib/python2.7/dist-packages/webob/request.py", line 1316, in send
Aug 07 16:39:54 ubuntu devstack@c-api.service[2553]: ERROR cinder     application, catch_exc_info=False)
Aug 07 16:39:54 ubuntu devstack@c-api.service[2553]: ERROR cinder   File "/usr/local/lib/python2.7/dist-packages/webob/request.py", line 1280, in call_application
Aug 07 16:39:54 ubuntu devstack@c-api.service[2553]: ERROR cinder     app_iter = application(self.environ, start_response)
Aug 07 16:39:54 ubuntu devstack@c-api.service[2553]: ERROR cinder   File "/usr/local/lib/python2.7/dist-packages/webob/dec.py", line 145, in __call__
Aug 07 16:39:54 ubuntu devstack@c-api.service[2553]: ERROR cinder     return resp(environ, start_response)
Aug 07 16:39:54 ubuntu devstack@c-api.service[2553]: ERROR cinder   File "/usr/local/lib/python2.7/dist-packages/webob/dec.py", line 145, in __call__
Aug 07 16:39:54 ubuntu devstack@c-api.service[2553]: ERROR cinder     return resp(environ, start_response)
Aug 07 16:39:54 ubuntu devstack@c-api.service[2553]: ERROR cinder   File "/usr/local/lib/python2.7/dist-packages/routes/middleware.py", line 141, in __call__
Aug 07 16:39:54 ubuntu devstack@c-api.service[2553]: ERROR cinder     response = self.app(environ, start_response)
Aug 07 16:39:54 ubuntu devstack@c-api.service[2553]: ERROR cinder   File "/usr/local/lib/python2.7/dist-packages/webob/dec.py", line 145, in __call__
Aug 07 16:39:54 ubuntu devstack@c-api.service[2553]: ERROR cinder     return resp(environ, start_response)
Aug 07 16:39:54 ubuntu devstack@c-api.service[2553]: ERROR cinder   File "/usr/local/lib/python2.7/dist-packages/webob/dec.py", line 131, in __call__
Aug 07 16:39:54 ubuntu devstack@c-api.service[2553]: ERROR cinder     resp = self.call_func(req, *args, **self.kwargs)
Aug 07 16:39:54 ubuntu devstack@c-api.service[2553]: ERROR cinder   File "/usr/local/lib/python2.7/dist-packages/webob/dec.py", line 196, in call_func
Aug 07 16:39:54 ubuntu devstack@c-api.service[2553]: ERROR cinder     return self.func(req, *args, **kwargs)
Aug 07 16:39:54 ubuntu devstack@c-api.service[2553]: ERROR cinder   File "/opt/stack/cinder/cinder/api/openstack/wsgi.py", line 846, in __call__
Aug 07 16:39:54 ubuntu devstack@c-api.service[2553]: ERROR cinder     content_type, body, accept)
Aug 07 16:39:54 ubuntu devstack@c-api.service[2553]: ERROR cinder   File "/opt/stack/cinder/cinder/api/openstack/wsgi.py", line 905, in _process_stack
Aug 07 16:39:54 ubuntu devstack@c-api.service[2553]: ERROR cinder     action_result = self.dispatch(meth, request, action_args)
Aug 07 16:39:54 ubuntu devstack@c-api.service[2553]: ERROR cinder   File "/opt/stack/cinder/cinder/api/openstack/wsgi.py", line 606, in __exit__
Aug 07 16:39:54 ubuntu devstack@c-api.service[2553]: ERROR cinder     code=ex_value.code, explanation=six.text_type(ex_value)))
Aug 07 16:39:54 ubuntu devstack@c-api.service[2553]: ERROR cinder TypeError: coercing to Unicode: need string or buffer, tuple found
Aug 07 16:39:54 ubuntu devstack@c-api.service[2553]: ERROR cinder 
Aug 07 16:39:54 ubuntu devstack@c-api.service[2553]: [pid: 2560|app: 0|req: 14/26] 127.0.0.1 () {62 vars in 1411 bytes} [Mon Aug  7 16:39:54 2017] GET /volume/v3/8a0ead84ae7f4f97acf735d9de4bd33c/attachments/d36c4433-0562-445d-81c6-10186d295317 => generated 0 bytes in 60 msecs (HTTP/1.1 500) 0 headers in 0 bytes (0 switches on core 0)