novnc console to instances fail with "Failed to connect to server (code: 1006)"

Solution In Progress - Updated -


  • We are using ssl for horizon. After updating nova package to version 2014-2.3-36, we are unable to access console of any instance. It fails with below error:
Failed to connect to server (code: 1006)
  • From logs:
2015-11-26 17:21:08.757 30491 INFO nova.console.websocketproxy [req-75729d6d-5638-47a5-a2f0-dcbbecc611f0 None] handler exception: Origin header protocol does not match this host.
2015-11-26 17:21:08.761 30491 INFO nova.console.websocketproxy [req-75729d6d-5638-47a5-a2f0-dcbbecc611f0 None] Traceback (most recent call last):
  File "/usr/lib/python2.7/site-packages/websockify/", line 711, in top_new_client
  File "/usr/lib/python2.7/site-packages/nova/console/", line 180, in new_client
  File "/usr/lib/python2.7/site-packages/nova/console/", line 111, in new_websocket_client
    raise exception.ValidationError(detail=detail)
ValidationError: Origin header protocol does not match this host.


  • Red Hat Open Stack
  • nova version 2014-2.3-36

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