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["Davanum Srinivas \(DIMS\)" <davanum@xxxxxxxxx>]

*** This bug is a duplicate of bug 1229204 ***
    https://bugs.launchpad.net/bugs/1229204

** This bug has been marked a duplicate of bug 1229204
   Output for live migration corrupted

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https://bugs.launchpad.net/bugs/1238187

Title:
  Error reporting from vnc failures is not user-friendly

Status in OpenStack Compute (Nova):
  New

Bug description:
  In case of some reqests (for example user requesting a VNC console
  from an instance which doesn't expose one), the error is not
  serialised into the request properly. This is the result for "nova
  get-vnc-console xxx novnc" if xxx cannot provide it:

  ERROR: [u'U', u'n', u'a', u'c', u'c', u'e', u'p', u't', u'a', u'b',
  u'l', u'e', u' ', u'p', u'a', u'r', u'a', u'm', u'e', u't', u'e',
  u'r', u's', u'.'] (HTTP 400) (Request-ID: req-
  27ad82b0-6475-47f6-b283-d41db0ff5ad0)

  This comes from the libvirt driver exception on the compute host:

  ...
  TRACE nova.openstack.common.rpc.amqp   File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 2178, in get_vnc_port_for_instance
  TRACE nova.openstack.common.rpc.amqp     raise exception.ConsoleTypeUnavailable(console_type='vnc')
  TRACE nova.openstack.common.rpc.amqp ConsoleTypeUnavailable: Unacceptable parameters.

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