ui exception No connection adapters were found

[new-wxw]

use ui mode exception stack info,but browser normal
File "ui_service.py", line 121, in _kafka_stats
r = requests.post(self.settings['REST_HOST'] + "/feed", json=data)
File "/usr/local/lib/python2.7/site-packages/requests/api.py", line 110, in post
return request('post', url, data=data, json=json, **kwargs)
File "/usr/local/lib/python2.7/site-packages/requests/api.py", line 56, in request
return session.request(method=method, url=url, **kwargs)
File "/usr/local/lib/python2.7/site-packages/requests/sessions.py", line 488, in request
resp = self.send(prep, **send_kwargs)
File "/usr/local/lib/python2.7/site-packages/requests/sessions.py", line 603, in send
adapter = self.get_adapter(url=request.url)
File "/usr/local/lib/python2.7/site-packages/requests/sessions.py", line 685, in get_adapter
raise InvalidSchema("No connection adapters were found for '%s'" % url)
InvalidSchema: No connection adapters were found fo 5343