Openstack bot updated oslo.db version in Nova https://review.openstack.org/#/c/247118/ . According to Dims report the problem fixed in Nova:
http://logstash.openstack.org/#/dashboard/file/logstash.json?query=message:%5C%22AttributeError:%20'_TransactionFactory'%20object%20has%20no%20attribute%20'_writer_maker'%5C%22&from=864000s
Openstack bot updated oslo.db version in Nova https:/ /review. openstack. org/#/c/ 247118/ .
According to Dims report the problem fixed in Nova:
http:// logstash. openstack. org/#/dashboard /file/logstash. json?query= message: %5C%22Attribute Error:% 20'_Transaction Factory' %20object% 20has%20no% 20attribute% 20'_writer_ maker'% 5C%22&from= 864000s