Hmm, nova-api is failing to RPC cast to the nova-conductor service. What is the value of the [conductor]/topic configuration option in nova.conf? It should be 'conductor'. Do you have it set to 'nova'?
https://docs.openstack.org/nova/queens/configuration/config.html#conductor.topic Otherwise yeah check the rabbitmq server and configured transport_urls. https://docs.openstack.org/nova/queens/configuration/config.html#DEFAULT.transport_url ** Changed in: nova Status: New => Invalid -- You received this bug notification because you are a member of Yahoo! Engineering Team, which is subscribed to OpenStack Compute (nova). https://bugs.launchpad.net/bugs/1802041 Title: Failed to publish message to topic 'nova': 'NoneType' object has no attribute '__getitem__' Status in OpenStack Compute (nova): Invalid Bug description: Hello, I am an OpenStack user. I have problem when I launched an instance via horizon, I got a notification: Unexpected API Error. Please report this at http://bugs.launchpad.net/nova/ and attach the Nova API log if possible. <class 'oslo_messaging.exceptions.MessageDeliveryFailure'> (HTTP 500) (Request-ID: req-d5a176bf-4d55-4b07-b405-c5eeb8080b77) Nova API Log: 2018-11-07 10:33:56.795 10976 ERROR oslo.messaging._drivers.impl_rabbit [req-d5a176bf-4d55-4b07-b405-c5eeb8080b77 5fd9267fddb54b638b2129db881353dc b35ae77fe5724f829dd01e0488ca8bc5 - default default] Failed to publish message to topic 'nova': 'NoneType' object has no attribute '__getitem__' 2018-11-07 10:33:56.796 10976 ERROR oslo.messaging._drivers.impl_rabbit [req-d5a176bf-4d55-4b07-b405-c5eeb8080b77 5fd9267fddb54b638b2129db881353dc b35ae77fe5724f829dd01e0488ca8bc5 - default default] Unable to connect to AMQP server on 172.28.0.12:5672 after None tries: 'NoneType' object has no attribute '__getitem__' 2018-11-07 10:33:56.797 10976 ERROR nova.api.openstack.wsgi [req-d5a176bf-4d55-4b07-b405-c5eeb8080b77 5fd9267fddb54b638b2129db881353dc b35ae77fe5724f829dd01e0488ca8bc5 - default default] Unexpected exception in API method: MessageDeliveryFailure: Unable to connect to AMQP server on 172.28.0.12:5672 after None tries: 'NoneType' object has no attribute '__getitem__' 2018-11-07 10:33:56.797 10976 ERROR nova.api.openstack.wsgi Traceback (most recent call last): 2018-11-07 10:33:56.797 10976 ERROR nova.api.openstack.wsgi File "/usr/lib/python2.7/site-packages/nova/api/openstack/wsgi.py", line 788, in wrapped 2018-11-07 10:33:56.797 10976 ERROR nova.api.openstack.wsgi return f(*args, **kwargs) 2018-11-07 10:33:56.797 10976 ERROR nova.api.openstack.wsgi File "/usr/lib/python2.7/site-packages/nova/api/validation/__init__.py", line 108, in wrapper 2018-11-07 10:33:56.797 10976 ERROR nova.api.openstack.wsgi return func(*args, **kwargs) 2018-11-07 10:33:56.797 10976 ERROR nova.api.openstack.wsgi File "/usr/lib/python2.7/site-packages/nova/api/validation/__init__.py", line 108, in wrapper 2018-11-07 10:33:56.797 10976 ERROR nova.api.openstack.wsgi return func(*args, **kwargs) 2018-11-07 10:33:56.797 10976 ERROR nova.api.openstack.wsgi File "/usr/lib/python2.7/site-packages/nova/api/validation/__init__.py", line 108, in wrapper 2018-11-07 10:33:56.797 10976 ERROR nova.api.openstack.wsgi return func(*args, **kwargs) 2018-11-07 10:33:56.797 10976 ERROR nova.api.openstack.wsgi File "/usr/lib/python2.7/site-packages/nova/api/validation/__init__.py", line 108, in wrapper 2018-11-07 10:33:56.797 10976 ERROR nova.api.openstack.wsgi return func(*args, **kwargs) 2018-11-07 10:33:56.797 10976 ERROR nova.api.openstack.wsgi File "/usr/lib/python2.7/site-packages/nova/api/validation/__init__.py", line 108, in wrapper 2018-11-07 10:33:56.797 10976 ERROR nova.api.openstack.wsgi return func(*args, **kwargs) 2018-11-07 10:33:56.797 10976 ERROR nova.api.openstack.wsgi File "/usr/lib/python2.7/site-packages/nova/api/validation/__init__.py", line 108, in wrapper 2018-11-07 10:33:56.797 10976 ERROR nova.api.openstack.wsgi return func(*args, **kwargs) 2018-11-07 10:33:56.797 10976 ERROR nova.api.openstack.wsgi File "/usr/lib/python2.7/site-packages/nova/api/validation/__init__.py", line 108, in wrapper 2018-11-07 10:33:56.797 10976 ERROR nova.api.openstack.wsgi return func(*args, **kwargs) 2018-11-07 10:33:56.797 10976 ERROR nova.api.openstack.wsgi File "/usr/lib/python2.7/site-packages/nova/api/validation/__init__.py", line 108, in wrapper 2018-11-07 10:33:56.797 10976 ERROR nova.api.openstack.wsgi return func(*args, **kwargs) 2018-11-07 10:33:56.797 10976 ERROR nova.api.openstack.wsgi File "/usr/lib/python2.7/site-packages/nova/api/openstack/compute/servers.py", line 554, in create 2018-11-07 10:33:56.797 10976 ERROR nova.api.openstack.wsgi **create_kwargs) 2018-11-07 10:33:56.797 10976 ERROR nova.api.openstack.wsgi File "/usr/lib/python2.7/site-packages/nova/hooks.py", line 154, in inner 2018-11-07 10:33:56.797 10976 ERROR nova.api.openstack.wsgi rv = f(*args, **kwargs) 2018-11-07 10:33:56.797 10976 ERROR nova.api.openstack.wsgi File "/usr/lib/python2.7/site-packages/nova/compute/api.py", line 1649, in create 2018-11-07 10:33:56.797 10976 ERROR nova.api.openstack.wsgi tags=tags, supports_multiattach=supports_multiattach) 2018-11-07 10:33:56.797 10976 ERROR nova.api.openstack.wsgi File "/usr/lib/python2.7/site-packages/nova/compute/api.py", line 1180, in _create_instance 2018-11-07 10:33:56.797 10976 ERROR nova.api.openstack.wsgi tags=tags) 2018-11-07 10:33:56.797 10976 ERROR nova.api.openstack.wsgi File "/usr/lib/python2.7/site-packages/nova/conductor/api.py", line 136, in schedule_and_build_instances 2018-11-07 10:33:56.797 10976 ERROR nova.api.openstack.wsgi block_device_mapping, tags) 2018-11-07 10:33:56.797 10976 ERROR nova.api.openstack.wsgi File "/usr/lib/python2.7/site-packages/nova/conductor/rpcapi.py", line 400, in schedule_and_build_instances 2018-11-07 10:33:56.797 10976 ERROR nova.api.openstack.wsgi cctxt.cast(context, 'schedule_and_build_instances', **kw) 2018-11-07 10:33:56.797 10976 ERROR nova.api.openstack.wsgi File "/usr/lib/python2.7/site-packages/oslo_messaging/rpc/client.py", line 152, in cast 2018-11-07 10:33:56.797 10976 ERROR nova.api.openstack.wsgi self.transport._send(self.target, msg_ctxt, msg, retry=self.retry) 2018-11-07 10:33:56.797 10976 ERROR nova.api.openstack.wsgi File "/usr/lib/python2.7/site-packages/oslo_messaging/transport.py", line 131, in _send 2018-11-07 10:33:56.797 10976 ERROR nova.api.openstack.wsgi timeout=timeout, retry=retry) 2018-11-07 10:33:56.797 10976 ERROR nova.api.openstack.wsgi File "/usr/lib/python2.7/site-packages/oslo_messaging/_drivers/amqpdriver.py", line 559, in send 2018-11-07 10:33:56.797 10976 ERROR nova.api.openstack.wsgi retry=retry) 2018-11-07 10:33:56.797 10976 ERROR nova.api.openstack.wsgi File "/usr/lib/python2.7/site-packages/oslo_messaging/_drivers/amqpdriver.py", line 545, in _send 2018-11-07 10:33:56.797 10976 ERROR nova.api.openstack.wsgi msg=msg, timeout=timeout, retry=retry) 2018-11-07 10:33:56.797 10976 ERROR nova.api.openstack.wsgi File "/usr/lib/python2.7/site-packages/oslo_messaging/_drivers/impl_rabbit.py", line 1272, in topic_send 2018-11-07 10:33:56.797 10976 ERROR nova.api.openstack.wsgi retry=retry) 2018-11-07 10:33:56.797 10976 ERROR nova.api.openstack.wsgi File "/usr/lib/python2.7/site-packages/oslo_messaging/_drivers/impl_rabbit.py", line 1155, in _ensure_publishing 2018-11-07 10:33:56.797 10976 ERROR nova.api.openstack.wsgi self.ensure(method, retry=retry, error_callback=_error_callback) 2018-11-07 10:33:56.797 10976 ERROR nova.api.openstack.wsgi File "/usr/lib/python2.7/site-packages/oslo_messaging/_drivers/impl_rabbit.py", line 825, in ensure 2018-11-07 10:33:56.797 10976 ERROR nova.api.openstack.wsgi raise exceptions.MessageDeliveryFailure(msg) 2018-11-07 10:33:56.797 10976 ERROR nova.api.openstack.wsgi MessageDeliveryFailure: Unable to connect to AMQP server on 172.28.0.12:5672 after None tries: 'NoneType' object has no attribute '__getitem__' 2018-11-07 10:33:56.797 10976 ERROR nova.api.openstack.wsgi 2018-11-07 10:33:56.799 10976 INFO nova.api.openstack.wsgi [req-d5a176bf-4d55-4b07-b405-c5eeb8080b77 5fd9267fddb54b638b2129db881353dc b35ae77fe5724f829dd01e0488ca8bc5 - default default] HTTP exception thrown: Unexpected API Error. Please report this at http://bugs.launchpad.net/nova/ and attach the Nova API log if possible. <class 'oslo_messaging.exceptions.MessageDeliveryFailure'> Environment: - CentOS 7 - OpenStack Queens - Nova 17.0.5 I don't know how to solve it. I am looking forward to being instructed. Thank you. To manage notifications about this bug go to: https://bugs.launchpad.net/nova/+bug/1802041/+subscriptions -- Mailing list: https://launchpad.net/~yahoo-eng-team Post to : yahoo-eng-team@lists.launchpad.net Unsubscribe : https://launchpad.net/~yahoo-eng-team More help : https://help.launchpad.net/ListHelp
