After investigating https://bugs.launchpad.net/bugs/1484963 : This bug is not duplicate because main error is 2015-08-17 14:56:53 ERR Could not prefetch keystone_endpoint provider 'openstack': undefined method `collect' for nil:NilClass
After investigating https:/ /bugs.launchpad .net/bugs/ 1484963 :
This bug is not duplicate because main error is
2015-08-17 14:56:53 ERR Could not prefetch keystone_endpoint provider 'openstack': undefined method `collect' for nil:NilClass