Reviewed: https://review.openstack.org/490305
Committed:
https://git.openstack.org/cgit/openstack/neutron/commit/?id=0b5750ca518314a10266f25cb09997b7a859ab1e
Submitter: Jenkins
Branch: master
commit 0b5750ca518314a10266f25cb09997b7a859ab1e
Author: Kevin Benton <blak...@gmail.com>
Date: Wed Aug 2 20:14:10 2017 -0700
Sinkhole workaround for old topics
This patch introduces a workaround on the Neutron side
for bug 1705351 that results in the Neutron server blocking
trying to send to topics the agents no longer subscribe to.
The workaround is to just subscribe to those topics and do
nothing with the messages that come in until oslo.messaging
can properly recover from loss of listeners.
Change-Id: I946a33dfd0c0da26bb47b524f75f53bf59d3fbd5
Closes-Bug: #1705351
** Changed in: neutron
Status: In Progress => Fix Released
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https://bugs.launchpad.net/bugs/1705351
Title:
agent notifier getting amqp NotFound exceptions propagated up to it
Status in neutron:
Fix Released
Status in oslo.messaging:
In Progress
Bug description:
There appears to be a scenario where amqp NotFound exceptions are
being propagated up through oslo messaging to the Neutron RPC client
attempting to perform a cast.
Since this appears in a grenade job, my guess is that it's due to the
agents no longer listening on that particular exchange after they have
been upgraded (the "port-delete" exchange is no longer used by agents
in master).
In neutron we probably need to ignore these exceptions on casts since
it just means there are no longer agents interested in listening to
the casts. However, this also seems like it may be an oslo messaging
bug because in order for us to catch and ignore this in Neutron we
would need to import AMQP directly for the exception. Directly
depending on AMQP imports breaks the olso.messaging abstraction.
From http://logs.openstack.org/85/480185/4/check/gate-grenade-dsvm-
ironic-inspector-ubuntu-
xenial/6ef1e75/logs/new/screen-q-svc.txt.gz?level=ERROR#_2017-07-19_12_53_37_858
:
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
[req-8d272d85-8fc0-4aeb-9180-2bf92cfc67cc tempest-NetworksTest-1317585658
tempest-NetworksTest-1317585658] DELETE failed.: NotFound: Basic.publish: (404)
NOT_FOUND - no exchange 'q-agent-notifier-port-delete_fanout' in vhost '/'
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
Traceback (most recent call last):
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
File "/usr/local/lib/python2.7/dist-packages/pecan/core.py", line 683, in
__call__
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
self.invoke_controller(controller, args, kwargs, state)
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
File "/usr/local/lib/python2.7/dist-packages/pecan/core.py", line 574, in
invoke_controller
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
result = controller(*args, **kwargs)
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
File "/opt/stack/new/neutron/neutron/db/api.py", line 94, in wrapped
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
setattr(e, '_RETRY_EXCEEDED', True)
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 220,
in __exit__
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
self.force_reraise()
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 196,
in force_reraise
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
six.reraise(self.type_, self.value, self.tb)
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
File "/opt/stack/new/neutron/neutron/db/api.py", line 90, in wrapped
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
return f(*args, **kwargs)
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
File "/usr/local/lib/python2.7/dist-packages/oslo_db/api.py", line 150, in
wrapper
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
ectxt.value = e.inner_exc
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 220,
in __exit__
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
self.force_reraise()
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 196,
in force_reraise
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
six.reraise(self.type_, self.value, self.tb)
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
File "/usr/local/lib/python2.7/dist-packages/oslo_db/api.py", line 138, in
wrapper
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
return f(*args, **kwargs)
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
File "/opt/stack/new/neutron/neutron/db/api.py", line 129, in wrapped
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
LOG.debug("Retry wrapper got retriable exception: %s", e)
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 220,
in __exit__
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
self.force_reraise()
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 196,
in force_reraise
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
six.reraise(self.type_, self.value, self.tb)
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
File "/opt/stack/new/neutron/neutron/db/api.py", line 125, in wrapped
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
return f(*dup_args, **dup_kwargs)
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
File "/opt/stack/new/neutron/neutron/pecan_wsgi/controllers/utils.py", line 70,
in wrapped
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
return f(*args, **kwargs)
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
File "/opt/stack/new/neutron/neutron/pecan_wsgi/controllers/utils.py", line
109, in wrapped
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
f(*args, **kwargs)
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
File "/opt/stack/new/neutron/neutron/pecan_wsgi/controllers/resource.py", line
78, in delete
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
return self.plugin_deleter(*deleter_args)
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
File "/opt/stack/new/neutron/neutron/common/utils.py", line 665, in inner
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
return f(self, context, *args, **kwargs)
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
File "/opt/stack/new/neutron/neutron/plugins/ml2/plugin.py", line 929, in
delete_network
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
return super(Ml2Plugin, self).delete_network(context, id)
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
File "/opt/stack/new/neutron/neutron/db/api.py", line 164, in wrapped
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
return method(*args, **kwargs)
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
File "/opt/stack/new/neutron/neutron/db/api.py", line 94, in wrapped
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
setattr(e, '_RETRY_EXCEEDED', True)
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 220,
in __exit__
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
self.force_reraise()
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 196,
in force_reraise
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
six.reraise(self.type_, self.value, self.tb)
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
File "/opt/stack/new/neutron/neutron/db/api.py", line 90, in wrapped
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
return f(*args, **kwargs)
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
File "/usr/local/lib/python2.7/dist-packages/oslo_db/api.py", line 150, in
wrapper
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
ectxt.value = e.inner_exc
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 220,
in __exit__
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
self.force_reraise()
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 196,
in force_reraise
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
six.reraise(self.type_, self.value, self.tb)
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
File "/usr/local/lib/python2.7/dist-packages/oslo_db/api.py", line 138, in
wrapper
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
return f(*args, **kwargs)
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
File "/opt/stack/new/neutron/neutron/db/api.py", line 129, in wrapped
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
LOG.debug("Retry wrapper got retriable exception: %s", e)
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 220,
in __exit__
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
self.force_reraise()
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 196,
in force_reraise
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
six.reraise(self.type_, self.value, self.tb)
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
File "/opt/stack/new/neutron/neutron/db/api.py", line 125, in wrapped
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
return f(*dup_args, **dup_kwargs)
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
File "/opt/stack/new/neutron/neutron/db/db_base_plugin_v2.py", line 442, in
delete_network
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
self.delete_port(context.elevated(), port_id)
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
File "/opt/stack/new/neutron/neutron/common/utils.py", line 665, in inner
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
return f(self, context, *args, **kwargs)
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
File "/opt/stack/new/neutron/neutron/db/api.py", line 164, in wrapped
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
return method(*args, **kwargs)
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
File "/opt/stack/new/neutron/neutron/db/api.py", line 94, in wrapped
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
setattr(e, '_RETRY_EXCEEDED', True)
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 220,
in __exit__
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
self.force_reraise()
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 196,
in force_reraise
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
six.reraise(self.type_, self.value, self.tb)
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
File "/opt/stack/new/neutron/neutron/db/api.py", line 90, in wrapped
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
return f(*args, **kwargs)
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
File "/usr/local/lib/python2.7/dist-packages/oslo_db/api.py", line 150, in
wrapper
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
ectxt.value = e.inner_exc
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 220,
in __exit__
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
self.force_reraise()
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 196,
in force_reraise
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
six.reraise(self.type_, self.value, self.tb)
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
File "/usr/local/lib/python2.7/dist-packages/oslo_db/api.py", line 138, in
wrapper
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
return f(*args, **kwargs)
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
File "/opt/stack/new/neutron/neutron/db/api.py", line 129, in wrapped
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
LOG.debug("Retry wrapper got retriable exception: %s", e)
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 220,
in __exit__
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
self.force_reraise()
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 196,
in force_reraise
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
six.reraise(self.type_, self.value, self.tb)
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
File "/opt/stack/new/neutron/neutron/db/api.py", line 125, in wrapped
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
return f(*dup_args, **dup_kwargs)
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
File "/opt/stack/new/neutron/neutron/plugins/ml2/plugin.py", line 1479, in
delete_port
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
context, port, router_ids, bound_mech_contexts)
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
File "/opt/stack/new/neutron/neutron/plugins/ml2/plugin.py", line 1501, in
_post_delete_port
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
self.notifier.port_delete(context, port['id'])
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
File "/opt/stack/new/neutron/neutron/plugins/ml2/rpc.py", line 412, in
port_delete
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
cctxt.cast(context, 'port_delete', port_id=port_id)
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
File "/usr/local/lib/python2.7/dist-packages/oslo_messaging/rpc/client.py",
line 147, in cast
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
self.transport._send(self.target, msg_ctxt, msg, retry=self.retry)
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
File "/usr/local/lib/python2.7/dist-packages/oslo_messaging/transport.py", line
123, in _send
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
timeout=timeout, retry=retry)
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
File
"/usr/local/lib/python2.7/dist-packages/oslo_messaging/_drivers/amqpdriver.py",
line 578, in send
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
retry=retry)
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
File
"/usr/local/lib/python2.7/dist-packages/oslo_messaging/_drivers/amqpdriver.py",
line 552, in _send
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
conn.fanout_send(target.topic, msg, retry=retry)
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
File
"/usr/local/lib/python2.7/dist-packages/oslo_messaging/_drivers/impl_rabbit.py",
line 1286, in fanout_send
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
self._ensure_publishing(self._publish, exchange, msg, retry=retry)
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
File
"/usr/local/lib/python2.7/dist-packages/oslo_messaging/_drivers/impl_rabbit.py",
line 1160, in _ensure_publishing
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
self.ensure(method, retry=retry, error_callback=_error_callback)
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
File
"/usr/local/lib/python2.7/dist-packages/oslo_messaging/_drivers/impl_rabbit.py",
line 807, in ensure
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
ret, channel = autoretry_method()
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
File "/usr/local/lib/python2.7/dist-packages/kombu/connection.py", line 494, in
_ensured
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
return fun(*args, **kwargs)
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
File "/usr/local/lib/python2.7/dist-packages/kombu/connection.py", line 570, in
__call__
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
return fun(*args, channel=channels[0], **kwargs), channels[0]
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
File
"/usr/local/lib/python2.7/dist-packages/oslo_messaging/_drivers/impl_rabbit.py",
line 796, in execute_method
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
method()
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
File
"/usr/local/lib/python2.7/dist-packages/oslo_messaging/_drivers/impl_rabbit.py",
line 1192, in _publish
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
compression=self.kombu_compression)
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
File "/usr/local/lib/python2.7/dist-packages/kombu/messaging.py", line 181, in
publish
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
exchange_name, declare,
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
File "/usr/local/lib/python2.7/dist-packages/kombu/messaging.py", line 203, in
_publish
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
mandatory=mandatory, immediate=immediate,
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
File "/usr/local/lib/python2.7/dist-packages/amqp/channel.py", line 1759, in
basic_publish_confirm
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
self.wait(spec.Basic.Ack)
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
File "/usr/local/lib/python2.7/dist-packages/amqp/abstract_channel.py", line
93, in wait
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
self.connection.drain_events(timeout=timeout)
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
File "/usr/local/lib/python2.7/dist-packages/amqp/connection.py", line 485, in
drain_events
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
while not self.blocking_read(timeout):
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
File "/usr/local/lib/python2.7/dist-packages/amqp/connection.py", line 491, in
blocking_read
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
return self.on_inbound_frame(frame)
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
File "/usr/local/lib/python2.7/dist-packages/amqp/method_framing.py", line 69,
in on_frame
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
callback(channel, method_sig, buf, None)
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
File "/usr/local/lib/python2.7/dist-packages/amqp/connection.py", line 495, in
on_inbound_method
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
method_sig, payload, content,
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
File "/usr/local/lib/python2.7/dist-packages/amqp/abstract_channel.py", line
142, in dispatch_method
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
listener(*args)
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
File "/usr/local/lib/python2.7/dist-packages/amqp/channel.py", line 293, in
_on_close
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
reply_code, reply_text, (class_id, method_id), ChannelError,
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
NotFound: Basic.publish: (404) NOT_FOUND - no exchange
'q-agent-notifier-port-delete_fanout' in vhost '/'
2017-07-19 12:53:37.858 6397 ERROR neutron.pecan_wsgi.hooks.translation
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