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

** Project changed: oslo.messaging => nova

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https://bugs.launchpad.net/bugs/1513160

Title:
  UnsupportedObjectError on launching instance

Status in OpenStack Compute (nova):
  New

Bug description:
  I had setup a openstack in single machine beforea month ,  it worked
  fine till I added a new nova-compute node.

  After adding a new nova-compute node I am not able to launch an
  instance. Launch getting stucked in build state.

  Found following exception in nova-compute of new node:

  2015-11-04 23:02:20.460 2164 ERROR object [req-1696a514-fc24-49c0-af84-ec35bf67f7b1 af26d0f550b242428e8600f8a90a0d79 ae1eb9a146ed4c3a9bf030c73567330e] Unable to instantiate unregistered object type NetworkRequestList
  2015-11-04 23:02:20.461 2164 ERROR oslo.messaging.rpc.dispatcher [-] Exception during message handling: Unsupported object type NetworkRequestList
  2015-11-04 23:02:20.461 2164 TRACE oslo.messaging.rpc.dispatcher Traceback (most recent call last):
  2015-11-04 23:02:20.461 2164 TRACE oslo.messaging.rpc.dispatcher   File "/usr/lib/python2.7/dist-packages/oslo/messaging/rpc/dispatcher.py", line 133, in _dispatch_and_reply
  2015-11-04 23:02:20.461 2164 TRACE oslo.messaging.rpc.dispatcher     incoming.message))
  2015-11-04 23:02:20.461 2164 TRACE oslo.messaging.rpc.dispatcher   File "/usr/lib/python2.7/dist-packages/oslo/messaging/rpc/dispatcher.py", line 176, in _dispatch
  2015-11-04 23:02:20.461 2164 TRACE oslo.messaging.rpc.dispatcher     return self._do_dispatch(endpoint, method, ctxt, args)
  2015-11-04 23:02:20.461 2164 TRACE oslo.messaging.rpc.dispatcher   File "/usr/lib/python2.7/dist-packages/oslo/messaging/rpc/dispatcher.py", line 121, in _do_dispatch
  2015-11-04 23:02:20.461 2164 TRACE oslo.messaging.rpc.dispatcher     new_args[argname] = self.serializer.deserialize_entity(ctxt, arg)
  2015-11-04 23:02:20.461 2164 TRACE oslo.messaging.rpc.dispatcher   File "/usr/lib/python2.7/dist-packages/nova/rpc.py", line 111, in deserialize_entity
  2015-11-04 23:02:20.461 2164 TRACE oslo.messaging.rpc.dispatcher     return self._base.deserialize_entity(context, entity)
  2015-11-04 23:02:20.461 2164 TRACE oslo.messaging.rpc.dispatcher   File "/usr/lib/python2.7/dist-packages/nova/objects/base.py", line 575, in deserialize_entity
  2015-11-04 23:02:20.461 2164 TRACE oslo.messaging.rpc.dispatcher     entity = self._process_object(context, entity)
  2015-11-04 23:02:20.461 2164 TRACE oslo.messaging.rpc.dispatcher   File "/usr/lib/python2.7/dist-packages/nova/objects/base.py", line 542, in _process_object
  2015-11-04 23:02:20.461 2164 TRACE oslo.messaging.rpc.dispatcher     objinst = NovaObject.obj_from_primitive(objprim, context=context)
  2015-11-04 23:02:20.461 2164 TRACE oslo.messaging.rpc.dispatcher   File "/usr/lib/python2.7/dist-packages/nova/objects/base.py", line 251, in obj_from_primitive
  2015-11-04 23:02:20.461 2164 TRACE oslo.messaging.rpc.dispatcher     objclass = cls.obj_class_from_name(objname, objver)
  2015-11-04 23:02:20.461 2164 TRACE oslo.messaging.rpc.dispatcher   File "/usr/lib/python2.7/dist-packages/nova/objects/base.py", line 201, in obj_class_from_name
  2015-11-04 23:02:20.461 2164 TRACE oslo.messaging.rpc.dispatcher     raise exception.UnsupportedObjectError(objtype=objname)
  2015-11-04 23:02:20.461 2164 TRACE oslo.messaging.rpc.dispatcher UnsupportedObjectError: Unsupported object type NetworkRequestList
  2015-11-04 23:02:20.461 2164 TRACE oslo.messaging.rpc.dispatcher 
  2015-11-04 23:02:20.463 2164 ERROR oslo.messaging._drivers.common [-] Returning exception Unsupported object type NetworkRequestList to caller
  2015-11-04 23:02:20.464 2164 ERROR oslo.messaging._drivers.common [-] ['Traceback (most recent call last):\n', '  File "/usr/lib/python2.7/dist-packages/oslo/messaging/rpc/dispatcher.py", line 133, in _dispatch_and_reply\n    incoming.message))\n', '  File "/usr/lib/python2.7/dist-packages/oslo/messaging/rpc/dispatcher.py", line 176, in _dispatch\n    return self._do_dispatch(endpoint, method, ctxt, args)\n', '  File "/usr/lib/python2.7/dist-packages/oslo/messaging/rpc/dispatcher.py", line 121, in _do_dispatch\n    new_args[argname] = self.serializer.deserialize_entity(ctxt, arg)\n', '  File "/usr/lib/python2.7/dist-packages/nova/rpc.py", line 111, in deserialize_entity\n    return self._base.deserialize_entity(context, entity)\n', '  File "/usr/lib/python2.7/dist-packages/nova/objects/base.py", line 575, in deserialize_entity\n    entity = self._process_object(context, entity)\n', '  File "/usr/lib/python2.7/dist-packages/nova/objects/base.py", line 542, in _process_object\n    objinst = NovaObject.obj_from_primitive(objprim, context=context)\n', '  File "/usr/lib/python2.7/dist-packages/nova/objects/base.py", line 251, in obj_from_primitive\n    objclass = cls.obj_class_from_name(objname, objver)\n', '  File "/usr/lib/python2.7/dist-packages/nova/objects/base.py", line 201, in obj_class_from_name\n    raise exception.UnsupportedObjectError(objtype=objname)\n', 'UnsupportedObjectError: Unsupported object type NetworkRequestList\n']


  nova conf of new node:
  -----------------------------------

  
  [DEFAULT]
  dhcpbridge_flagfile=/etc/nova/nova.conf
  dhcpbridge=/usr/bin/nova-dhcpbridge
  logdir=/var/log/nova
  state_path=/var/lib/nova
  lock_path=/var/lib/nova
  force_dhcp_release=True
  libvirt_use_virtio_for_bridges=True
  verbose=True
  ec2_private_dns_show_ip=True
  api_paste_config=/etc/nova/api-paste.ini
  enabled_apis=ec2,osapi_compute,metadata
  rabbit_host = controller
  rpc_backend = rabbit
  rabbit_password = "guest"
  auth_strategy = keystone
  my_ip = 192.168.3.105
  network_api_class = nova.network.neutronv2.api.API
  security_group_api = neutron
  linuxnet_interface_driver = nova.network.linux_net.LinuxOVSInterfaceDriver
  firewall_driver = nova.virt.firewall.NoopFirewallDriver
  metadata_host = 192.168.3.21
  vif_plugging_is_fatal = False
  vif_plugging_timeout = 0
  compute_driver = libvirt.LibvirtDriver

  [libvirt]
  virt_type = kvm

  [database]
  connection = mysql://nova:nova@controller/nova

  
  [keystone_authtoken]
  auth_uri = http://controller:5000/v2.0
  identity_uri = http://controller:35357
  admin_tenant_name = service
  admin_user = nova
  admin_password = nova

  
  [glance]
  host = controller

  
  [neutron]
  url = http://controller:9696
  auth_strategy = keystone
  admin_auth_url = http://controller:35357/v2.0
  admin_tenant_name = service
  admin_username = neutron
  admin_password = neutron
  service_metadata_proxy = True
  metadata_proxy_shared_secret = password
  vif_plugging_is_fatal = False
  vif_plugging_timeout = 0

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