Public bug reported:
The SRU recently landed for https://bugs.launchpad.net/nova/+bug/1349888
introduced a potential upgrade regression if nova services are not
upgraded all at once.
2015-10-14 20:45:00.778 10909 TRACE nova.api.openstack RemoteError: Remote
error: UnsupportedVersion Endpoint does not support RPC version 3.35
2015-10-14 20:45:00.778 10909 TRACE nova.api.openstack [u'Traceback (most
recent call last):\n', u' File
"/usr/lib/python2.7/dist-packages/oslo/messaging/rpc/dispatcher.py", line 133,
in _dispatch_and_reply\n incoming.message))\n', u' File
"/usr/lib/python2.7/dist-packages/oslo/messaging/rpc/dispatcher.py", line 185,
in _dispatch\n raise UnsupportedVersion(version)\n', u'UnsupportedVersion:
Endpoint does not support RPC version 3.35\n'].
Basically, if nova-compute services are updated after nova-api services
you will hit this issue if you perform volume operations. A simple
solution, if possible, is to upgrade nova-compute services so that they
are all in sync but I still want to remove the possibility for
regression while keeping the fix from 1349888. I will propose an SRU
shortly to resolve this.
** Affects: nova (Ubuntu)
Importance: High
Assignee: Edward Hope-Morley (hopem)
Status: In Progress
** Changed in: nova (Ubuntu)
Status: New => In Progress
** Changed in: nova (Ubuntu)
Importance: Undecided => High
** Changed in: nova (Ubuntu)
Assignee: (unassigned) => Edward Hope-Morley (hopem)
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https://bugs.launchpad.net/bugs/1506257
Title:
rpcapi version mismatch possible on upgrade
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