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[Joe Gordon <1290772@xxxxxxxxxxxxxxxxxx>]

** Also affects: oslo.messaging
   Importance: Undecided
       Status: New

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https://bugs.launchpad.net/bugs/1290772

Title:
  MatchMakerRedis doesn't work [zeromq]

Status in OpenStack Compute (Nova):
  New
Status in Messaging API for OpenStack:
  New

Bug description:
  I was testing zeromq with redis. I installed all packages from ubuntu cloud repository[havana].  I added the following lines in nova.conf.
  ...
  rpc_zmq_matchmaker = nova.openstack.common.rpc.matchmaker_redis.MatchMakerRedis
  rpc_backend = nova.openstack.common.rpc.impl_zmq
  ...

  I get the following error
  2014-03-11 09:57:58.671 11201 ERROR nova.openstack.common.threadgroup [-] Command # 1 (SADD scheduler.ubuntu scheduler.ubuntu.ubuntu) of pipeline caused error: Operation against a key holding the wrong kind of value

  The same error is reported in the following services:
  nova-conductor
  nova-consoleauth
  nova-scheduler

  The problem seems to come from the matchmaker using the same key to
  register a set of hosts and the hosts themselves.

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