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[Itsuro Oda <oda@xxxxxxxxxxxxx>]

Public bug reported:

Each target plugin under metaplugin opens topics.PLUGIN (q-plugin) consumer.
RPC call from an agent is recieved one of target plugin randomly.
Fortunately most of RPC callbacks are common for plugins but if an RPC is not supported by the received plugin, the following error occurs for example.

---
ERROR neutron.openstack.common.rpc.amqp [req-be2e4111-3b81-46eb-9200-f4ff7d75984a None None] Exception during message handling
TRACE neutron.openstack.common.rpc.amqp Traceback (most recent call last):
TRACE neutron.openstack.common.rpc.amqp   File "/usr/local/lib/python2.7/dist-packages/neutron/openstack/common/rpc/amqp.py", line 438, in _process_data
TRACE neutron.openstack.common.rpc.amqp     **args)
TRACE neutron.openstack.common.rpc.amqp   File "/usr/local/lib/python2.7/dist-packages/neutron/common/rpc.py", line 45, in dispatch
TRACE neutron.openstack.common.rpc.amqp     neutron_ctxt, version, method, namespace, **kwargs)
TRACE neutron.openstack.common.rpc.amqp   File "/usr/local/lib/python2.7/dist-packages/neutron/openstack/common/rpc/dispatcher.py", line 176, in dispatch
TRACE neutron.openstack.common.rpc.amqp     raise AttributeError("No such RPC function '%s'" % method)
TRACE neutron.openstack.common.rpc.amqp AttributeError: No such RPC function 'security_group_rules_for_devices'
---

** Affects: neutron
     Importance: Undecided
     Assignee: Itsuro Oda (oda-g)
         Status: New

** Changed in: neutron
     Assignee: (unassigned) => Itsuro Oda (oda-g)

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https://bugs.launchpad.net/bugs/1267330

Title:
  RPC callback failure happens in metaplugin

Status in OpenStack Neutron (virtual network service):
  New

Bug description:
  Each target plugin under metaplugin opens topics.PLUGIN (q-plugin) consumer.
  RPC call from an agent is recieved one of target plugin randomly.
  Fortunately most of RPC callbacks are common for plugins but if an RPC is not supported by the received plugin, the following error occurs for example.

  ---
  ERROR neutron.openstack.common.rpc.amqp [req-be2e4111-3b81-46eb-9200-f4ff7d75984a None None] Exception during message handling
  TRACE neutron.openstack.common.rpc.amqp Traceback (most recent call last):
  TRACE neutron.openstack.common.rpc.amqp   File "/usr/local/lib/python2.7/dist-packages/neutron/openstack/common/rpc/amqp.py", line 438, in _process_data
  TRACE neutron.openstack.common.rpc.amqp     **args)
  TRACE neutron.openstack.common.rpc.amqp   File "/usr/local/lib/python2.7/dist-packages/neutron/common/rpc.py", line 45, in dispatch
  TRACE neutron.openstack.common.rpc.amqp     neutron_ctxt, version, method, namespace, **kwargs)
  TRACE neutron.openstack.common.rpc.amqp   File "/usr/local/lib/python2.7/dist-packages/neutron/openstack/common/rpc/dispatcher.py", line 176, in dispatch
  TRACE neutron.openstack.common.rpc.amqp     raise AttributeError("No such RPC function '%s'" % method)
  TRACE neutron.openstack.common.rpc.amqp AttributeError: No such RPC function 'security_group_rules_for_devices'
  ---

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