OpenStack Compute (nova)

Compute manager crashes without any indication for a reason

Bug #882598 reported by Stanislaw Pitucha on 2011-10-27

This bug affects 1 person

Affects		Status	Importance	Assigned to	Milestone
	OpenStack Compute (nova)	Invalid	Undecided	Unassigned

Bug Description

Compute manager fails with the following stacktrace without any indication about the reason. This seems to happen randomly. (from Diablo final)

2011-10-27 11:30:56,094 DEBUG nova.utils [-] Inner Exception: cannot import name v1_1 from (pid=5515) import_class /usr/lib/python2.7/dist-packages/nova/utils.py:65
2011-10-27 11:30:56,094 CRITICAL nova [-] Class ComputeManager could not be found
(nova): TRACE: Traceback (most recent call last):
(nova): TRACE: File "/usr/bin/nova-compute", line 47, in <module>
(nova): TRACE: server = service.Service.create(binary='nova-compute')
(nova): TRACE: File "/usr/lib/python2.7/dist-packages/nova/service.py", line 216, in create
(nova): TRACE: report_interval, periodic_interval)
(nova): TRACE: File "/usr/lib/python2.7/dist-packages/nova/service.py", line 125, in __init__
(nova): TRACE: manager_class = utils.import_class(self.manager_class_name)
(nova): TRACE: File "/usr/lib/python2.7/dist-packages/nova/utils.py", line 66, in import_class
(nova): TRACE: raise exception.ClassNotFound(class_name=class_str)
(nova): TRACE: ClassNotFound: Class ComputeManager could not be found
(nova): TRACE:
2011-10-27 11:39:16,868 DEBUG nova.utils [-] Inner Exception: cannot import name v1_1 from (pid=7187) import_class /usr/lib/python2.7/dist-packages/nova/utils.py:65
2011-10-27 11:39:16,869 CRITICAL nova [-] Class ComputeManager could not be found
(nova): TRACE: Traceback (most recent call last):
(nova): TRACE: File "/usr/bin/nova-compute", line 47, in <module>
(nova): TRACE: server = service.Service.create(binary='nova-compute')
(nova): TRACE: File "/usr/lib/python2.7/dist-packages/nova/service.py", line 216, in create
(nova): TRACE: report_interval, periodic_interval)
(nova): TRACE: File "/usr/lib/python2.7/dist-packages/nova/service.py", line 125, in __init__
(nova): TRACE: manager_class = utils.import_class(self.manager_class_name)
(nova): TRACE: File "/usr/lib/python2.7/dist-packages/nova/utils.py", line 66, in import_class
(nova): TRACE: raise exception.ClassNotFound(class_name=class_str)
(nova): TRACE: ClassNotFound: Class ComputeManager could not be found
(nova): TRACE: