dispatch errors with oslo.messaging 4.0.0

[gordon chung]

seeing a lot of the following errors in gate now:

2016-02-03 15:50:29.436 30541 ERROR oslo_messaging.notify.dispatcher
2016-02-03 15:50:29.437 30541 ERROR oslo_messaging.notify.dispatcher [-] Fail to ack/requeue message
2016-02-03 15:50:29.437 30541 ERROR oslo_messaging.notify.dispatcher Traceback (most recent call last):
2016-02-03 15:50:29.437 30541 ERROR oslo_messaging.notify.dispatcher File "/usr/local/lib/python2.7/dist-packages/oslo_messaging/notify/dispatcher.py", line 75, in _post_dispatch
2016-02-03 15:50:29.437 30541 ERROR oslo_messaging.notify.dispatcher m.acknowledge()
2016-02-03 15:50:29.437 30541 ERROR oslo_messaging.notify.dispatcher File "/usr/local/lib/python2.7/dist-packages/oslo_messaging/_drivers/amqpdriver.py", line 117, in acknowledge
2016-02-03 15:50:29.437 30541 ERROR oslo_messaging.notify.dispatcher self.acknowledge_callback()
2016-02-03 15:50:29.437 30541 ERROR oslo_messaging.notify.dispatcher File "/usr/local/lib/python2.7/dist-packages/oslo_messaging/_drivers/impl_rabbit.py", line 186, in acknowledge
2016-02-03 15:50:29.437 30541 ERROR oslo_messaging.notify.dispatcher self._raw_message.ack()
2016-02-03 15:50:29.437 30541 ERROR oslo_messaging.notify.dispatcher File "/usr/local/lib/python2.7/dist-packages/kombu/message.py", line 88, in ack
2016-02-03 15:50:29.437 30541 ERROR oslo_messaging.notify.dispatcher self.channel.basic_ack(self.delivery_tag)
2016-02-03 15:50:29.437 30541 ERROR oslo_messaging.notify.dispatcher File "/usr/local/lib/python2.7/dist-packages/amqp/channel.py", line 1584, in basic_ack
2016-02-03 15:50:29.437 30541 ERROR oslo_messaging.notify.dispatcher self._send_method((60, 80), args)
2016-02-03 15:50:29.437 30541 ERROR oslo_messaging.notify.dispatcher File "/usr/local/lib/python2.7/dist-packages/amqp/abstract_channel.py", line 50, in _send_method
2016-02-03 15:50:29.437 30541 ERROR oslo_messaging.notify.dispatcher raise RecoverableConnectionError('connection already closed')
2016-02-03 15:50:29.437 30541 ERROR oslo_messaging.notify.dispatcher RecoverableConnectionError: connection already closed
2016-02-03 15:50:29.437 30541 ERROR oslo_messaging.notify.dispatcher

http://logs.openstack.org/70/274170/3/gate/gate-telemetry-dsvm-integration-aodh/4ef96b5/logs/screen-ceilometer-collector.txt.gz

[Davanum Srinivas (DIMS) (dims-v)]

The pip freeze shows 4.0.0, upper-constraints for 4.1.0 is merging right now https://review.openstack.org/#/c/276313/

[Davanum Srinivas (DIMS) (dims-v)]

Is this still a problem?

[gordon chung (chungg)]

seems fixed... or errors aren't present in gate anymore with 4.4.0