Closing this old bug as bug cleanup, feel free to reopen if still seen
in recent releases with fresh set of logs.
** Changed in: neutron
Status: New => Invalid
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https://bugs.launchpad.net/bugs/1701327
Title:
While updating fixed_ip attribute of neutron port, get rabbit error
Status in neutron:
Invalid
Bug description:
While attempting to update fixed_ip attribute of neutron port, get this error:
2017-06-29 02:55:58.856 37283 ERROR oslo.messaging._drivers.impl_rabbit
[req-2ea397ae-d5fd-4860-aca6-e633bba0d84a
0688b01e6439ca32d698d20789d52169126fb41fb1a4ddafcebb97d854e836c9
2d374653dc914c2e877fb6900ef28ccd - - -] Failed to publish message to topic
'q-agent-notifier-l2population-update_fanout': Basic.publish: (404) NOT_FOUND -
no exchange 'q-agent-notifier-l2population-update_fanout' in vhost '/'
Stack trace from neutron server log :
2017-06-29 02:55:58.858 37283 ERROR neutron.plugins.ml2.managers
[req-2ea397ae-d5fd-4860-aca6-e633bba0d84a
0688b01e6439ca32d698d20789d52169126fb41fb1a4ddafcebb97d854e836c9
2d374653dc914c2e877fb6900ef28ccd - - -] Mechanism driver 'l2population' failed
in update_port_postcommit
2017-06-29 02:55:58.858 37283 ERROR neutron.plugins.ml2.managers Traceback
(most recent call last):
2017-06-29 02:55:58.858 37283 ERROR neutron.plugins.ml2.managers File
"/usr/lib/python2.7/site-packages/neutron/plugins/ml2/managers.py", line 408,
in _call_on_drivers
2017-06-29 02:55:58.858 37283 ERROR neutron.plugins.ml2.managers
getattr(driver.obj, method_name)(context)
2017-06-29 02:55:58.858 37283 ERROR neutron.plugins.ml2.managers File
"/usr/lib/python2.7/site-packages/neutron/plugins/ml2/drivers/l2pop/mech_driver.py",
line 156, in update_port_postcommit
2017-06-29 02:55:58.858 37283 ERROR neutron.plugins.ml2.managers
self._fixed_ips_changed(context, orig, port, diff_ips)
2017-06-29 02:55:58.858 37283 ERROR neutron.plugins.ml2.managers File
"/usr/lib/python2.7/site-packages/neutron/plugins/ml2/drivers/l2pop/mech_driver.py",
line 134, in _fixed_ips_changed
2017-06-29 02:55:58.858 37283 ERROR neutron.plugins.ml2.managers
self.rpc_ctx, {'chg_ip': upd_fdb_entries})
2017-06-29 02:55:58.858 37283 ERROR neutron.plugins.ml2.managers File
"/usr/lib/python2.7/site-packages/neutron/plugins/ml2/drivers/l2pop/rpc.py",
line 87, in update_fdb_entries
2017-06-29 02:55:58.858 37283 ERROR neutron.plugins.ml2.managers
fdb_entries)
2017-06-29 02:55:58.858 37283 ERROR neutron.plugins.ml2.managers File
"/usr/lib/python2.7/site-packages/neutron/plugins/ml2/drivers/l2pop/rpc.py",
line 49, in _notification_fanout
2017-06-29 02:55:58.858 37283 ERROR neutron.plugins.ml2.managers
cctxt.cast(context, method, fdb_entries=fdb_entries)
2017-06-29 02:55:58.858 37283 ERROR neutron.plugins.ml2.managers File
"/usr/lib/python2.7/site-packages/oslo_messaging/rpc/client.py", line 147, in
cast
2017-06-29 02:55:58.858 37283 ERROR neutron.plugins.ml2.managers
self.transport._send(self.target, msg_ctxt, msg, retry=self.retry)
2017-06-29 02:55:58.858 37283 ERROR neutron.plugins.ml2.managers File
"/usr/lib/python2.7/site-packages/oslo_messaging/transport.py", line 97, in
_send
2017-06-29 02:55:58.858 37283 ERROR neutron.plugins.ml2.managers
timeout=timeout, retry=retry)
2017-06-29 02:55:58.858 37283 ERROR neutron.plugins.ml2.managers File
"/usr/lib/python2.7/site-packages/oslo_messaging/_drivers/amqpdriver.py", line
458, in send
2017-06-29 02:55:58.858 37283 ERROR neutron.plugins.ml2.managers
retry=retry)
2017-06-29 02:55:58.858 37283 ERROR neutron.plugins.ml2.managers File
"/usr/lib/python2.7/site-packages/oslo_messaging/_drivers/amqpdriver.py", line
432, in _send
2017-06-29 02:55:58.858 37283 ERROR neutron.plugins.ml2.managers
conn.fanout_send(target.topic, msg, retry=retry)
2017-06-29 02:55:58.858 37283 ERROR neutron.plugins.ml2.managers File
"/usr/lib/python2.7/site-packages/oslo_messaging/_drivers/impl_rabbit.py", line
1295, in fanout_send
2017-06-29 02:55:58.858 37283 ERROR neutron.plugins.ml2.managers
self._ensure_publishing(self._publish, exchange, msg, retry=retry)
2017-06-29 02:55:58.858 37283 ERROR neutron.plugins.ml2.managers File
"/usr/lib/python2.7/site-packages/oslo_messaging/_drivers/impl_rabbit.py", line
1170, in _ensure_publishing
2017-06-29 02:55:58.858 37283 ERROR neutron.plugins.ml2.managers
self.ensure(method, retry=retry, error_callback=_error_callback)
2017-06-29 02:55:58.858 37283 ERROR neutron.plugins.ml2.managers File
"/usr/lib/python2.7/site-packages/oslo_messaging/_drivers/impl_rabbit.py", line
817, in ensure
2017-06-29 02:55:58.858 37283 ERROR neutron.plugins.ml2.managers ret,
channel = autoretry_method()
2017-06-29 02:55:58.858 37283 ERROR neutron.plugins.ml2.managers File
"/usr/lib/python2.7/site-packages/kombu/connection.py", line 436, in _ensured
2017-06-29 02:55:58.858 37283 ERROR neutron.plugins.ml2.managers return
fun(*args, **kwargs)
2017-06-29 02:55:58.858 37283 ERROR neutron.plugins.ml2.managers File
"/usr/lib/python2.7/site-packages/kombu/connection.py", line 508, in __call__
2017-06-29 02:55:58.858 37283 ERROR neutron.plugins.ml2.managers return
fun(*args, channel=channels[0], **kwargs), channels[0]
2017-06-29 02:55:58.858 37283 ERROR neutron.plugins.ml2.managers File
"/usr/lib/python2.7/site-packages/oslo_messaging/_drivers/impl_rabbit.py", line
793, in execute_method
2017-06-29 02:55:58.858 37283 ERROR neutron.plugins.ml2.managers method()
2017-06-29 02:55:58.858 37283 ERROR neutron.plugins.ml2.managers File
"/usr/lib/python2.7/site-packages/oslo_messaging/_drivers/impl_rabbit.py", line
1201, in _publish
2017-06-29 02:55:58.858 37283 ERROR neutron.plugins.ml2.managers
compression=self.kombu_compression)
2017-06-29 02:55:58.858 37283 ERROR neutron.plugins.ml2.managers File
"/usr/lib/python2.7/site-packages/kombu/messaging.py", line 172, in publish
2017-06-29 02:55:58.858 37283 ERROR neutron.plugins.ml2.managers
routing_key, mandatory, immediate, exchange, declare)
2017-06-29 02:55:58.858 37283 ERROR neutron.plugins.ml2.managers File
"/usr/lib/python2.7/site-packages/kombu/messaging.py", line 188, in _publish
2017-06-29 02:55:58.858 37283 ERROR neutron.plugins.ml2.managers
mandatory=mandatory, immediate=immediate,
2017-06-29 02:55:58.858 37283 ERROR neutron.plugins.ml2.managers File
"/usr/lib/python2.7/site-packages/amqp/channel.py", line 2130, in
basic_publish_confirm
2017-06-29 02:55:58.858 37283 ERROR neutron.plugins.ml2.managers
self.wait([(60, 80)])
2017-06-29 02:55:58.858 37283 ERROR neutron.plugins.ml2.managers File
"/usr/lib/python2.7/site-packages/amqp/abstract_channel.py", line 69, in wait
2017-06-29 02:55:58.858 37283 ERROR neutron.plugins.ml2.managers return
self.dispatch_method(method_sig, args, content)
2017-06-29 02:55:58.858 37283 ERROR neutron.plugins.ml2.managers File
"/usr/lib/python2.7/site-packages/amqp/abstract_channel.py", line 87, in
dispatch_method
2017-06-29 02:55:58.858 37283 ERROR neutron.plugins.ml2.managers return
amqp_method(self, args)
2017-06-29 02:55:58.858 37283 ERROR neutron.plugins.ml2.managers File
"/usr/lib/python2.7/site-packages/amqp/channel.py", line 241, in _close
2017-06-29 02:55:58.858 37283 ERROR neutron.plugins.ml2.managers
reply_code, reply_text, (class_id, method_id), ChannelError,
2017-06-29 02:55:58.858 37283 ERROR neutron.plugins.ml2.managers NotFound:
Basic.publish: (404) NOT_FOUND - no exchange
'q-agent-notifier-l2population-update_fanout' in vhost '/'
2017-06-29 02:55:58.858 37283 ERROR neutron.plugins.ml2.managers
2017-06-29 02:55:58.903 37283 ERROR neutron.plugins.ml2.plugin
[req-2ea397ae-d5fd-4860-aca6-e633bba0d84a
0688b01e6439ca32d698d20789d52169126fb41fb1a4ddafcebb97d854e836c9
2d374653dc914c2e877fb6900ef28ccd - - -]
mechanism_manager.update_port_postcommit failed for port
799abd6f-c1d7-4fd3-8a77-65f1b0bf9515
In rabbitmq log
=ERROR REPORT==== 29-Jun-2017::04:21:48 ===
Channel error on connection <0.14694.1> (127.0.0.1:52206 -> 127.0.0.1:5671,
vhost: '/', user: 'powervc_mq'), channel 1:
operation basic.publish caused a channel exception not_found: "no exchange
'q-agent-notifier-l2population-update_fanout' in vhost '/'"
Version :
This is happening in Openstack ocata level environment. Two out of
three attempts result in this error. One of them went through
succesfully later on.
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