Hi Stacker I got a problem in my Openstack ESSEX, using ubuntu12.04. I have downloaded nova from github, and installed virtualenv yesterday. Now, I can see as follows: root@ozg-PowerEdge-2950:~/nova# nova-manage service list 2013-09-06 11:15:19 DEBUG nova.utils [req-165ab3a3-6660-4a32-9d6a-8eeeb8bd8716 None None] backend <module 'nova.db.sqlalchemy.api' from '/usr/lib/python2.7/dist-packages/nova/db/sqlalchemy/api.pyc'> from (pid=9531) __get_backend /usr/lib/python2.7/dist-packages/nova/utils.py:662 Binary Host Zone Status State Updated_At nova-consoleauth ozg-PowerEdge-2950 nova enabled XXX 2013-09-05 06:39:29 nova-scheduler ozg-PowerEdge-2950 nova enabled XXX 2013-09-05 06:39:30 nova-compute ozg-PowerEdge-2950 nova enabled XXX 2013-09-05 06:39:26 nova-network ozg-PowerEdge-2950 nova enabled XXX 2013-09-05 06:39:30 nova-cert ozg-PowerEdge-2950 nova enabled XXX 2013-09-05 06:39:30 2013-09-06 11:15:19 DEBUG nova.utils [-] Inner Exception: 'module' object has no attribute 'impl_kombu' from (pid=9531) import_class /usr/lib/python2.7/dist-packages/nova/utils.py:82 Command failed, please check log for more info 2013-09-06 11:15:19 CRITICAL nova [-] Class impl_kombu could not be found: 'module' object has no attribute 'impl_kombu' 2013-09-06 11:15:19 TRACE nova Traceback (most recent call last): 2013-09-06 11:15:19 TRACE nova File "/usr/bin/nova-manage", line 1746, in <module> 2013-09-06 11:15:19 TRACE nova main() 2013-09-06 11:15:19 TRACE nova File "/usr/bin/nova-manage", line 1734, in main 2013-09-06 11:15:19 TRACE nova rpc.cleanup() 2013-09-06 11:15:19 TRACE nova File "/usr/lib/python2.7/dist-packages/nova/rpc/__init__.py", line 160, in cleanup 2013-09-06 11:15:19 TRACE nova return _get_impl().cleanup() 2013-09-06 11:15:19 TRACE nova File "/usr/lib/python2.7/dist-packages/nova/rpc/__init__.py", line 201, in _get_impl 2013-09-06 11:15:19 TRACE nova _RPCIMPL = utils.import_object(FLAGS.rpc_backend) 2013-09-06 11:15:19 TRACE nova File "/usr/lib/python2.7/dist-packages/nova/utils.py", line 92, in import_object 2013-09-06 11:15:19 TRACE nova cls = import_class(import_str) 2013-09-06 11:15:19 TRACE nova File "/usr/lib/python2.7/dist-packages/nova/utils.py", line 83, in import_class 2013-09-06 11:15:19 TRACE nova raise exception.ClassNotFound(class_name=class_str, exception=exc) 2013-09-06 11:15:19 TRACE nova ClassNotFound: Class impl_kombu could not be found: 'module' object has no attribute 'impl_kombu' 2013-09-06 11:15:19 TRACE nova
Using pip freeze to see kombu's version in my current python environment, as follows, kombu's versio is 2.5.14 rather than 1.4.3 which is correct in Essex. root@ozg-PowerEdge-2950:~# pip freeze | grep kombu kombu==2.5.14 Moreover, I can find two kombus in my system, kombu-1.4.3 and kombu-2.5.14 as follows: root@ozg-PowerEdge-2950:~#locate kombu | grep grep 1.4 /usr/share/pyshared/kombu/utils/log.py /usr/share/pyshared/kombu-1.4.3.egg-info/PKG-INFO /usr/share/pyshared/kombu-1.4.3.egg-info/SOURCES.txt /usr/share/pyshared/kombu-1.4.3.egg-info/dependency_links.txt /usr/share/pyshared/kombu-1.4.3.egg-info/not-zip-safe /usr/share/pyshared/kombu-1.4.3.egg-info/requires.txt /usr/share/pyshared/kombu-1.4.3.egg-info/top_level.txt root@ozg-PowerEdge-2950:/usr/lib/python2.7/dist-packages# locate kombu | grep 2.5 /root/cinder/.venv/lib/python2.7/site-packages/kombu-2.5.13-py2.7.egg-info /root/cinder/.venv/lib/python2.7/site-packages/kombu-2.5.13-py2.7.egg-info/PKG-INFO /root/cinder/.venv/lib/python2.7/site-packages/kombu-2.5.13-py2.7.egg-info/SOURCES.txt /root/cinder/.venv/lib/python2.7/site-packages/kombu-2.5.13-py2.7.egg-info/dependency_links.txt /root/cinder/.venv/lib/python2.7/site-packages/kombu-2.5.13-py2.7.egg-info/installed-files.txt /root/cinder/.venv/lib/python2.7/site-packages/kombu-2.5.13-py2.7.egg-info/not-zip-safe /root/cinder/.venv/lib/python2.7/site-packages/kombu-2.5.13-py2.7.egg-info/requires.txt /root/cinder/.venv/lib/python2.7/site-packages/kombu-2.5.13-py2.7.egg-info/top_level.txt /root/neutron/.venv/lib/python2.7/site-packages/kombu-2.5.14-py2.7.egg-info /root/neutron/.venv/lib/python2.7/site-packages/kombu-2.5.14-py2.7.egg-info/PKG-INFO /root/neutron/.venv/lib/python2.7/site-packages/kombu-2.5.14-py2.7.egg-info/SOURCES.txt /root/neutron/.venv/lib/python2.7/site-packages/kombu-2.5.14-py2.7.egg-info/dependency_links.txt /root/neutron/.venv/lib/python2.7/site-packages/kombu-2.5.14-py2.7.egg-info/installed-files.txt /root/neutron/.venv/lib/python2.7/site-packages/kombu-2.5.14-py2.7.egg-info/not-zip-safe /root/neutron/.venv/lib/python2.7/site-packages/kombu-2.5.14-py2.7.egg-info/requires.txt /root/neutron/.venv/lib/python2.7/site-packages/kombu-2.5.14-py2.7.egg-info/top_level.txt /root/nova/.venv/lib/python2.7/site-packages/kombu-2.5.14-py2.7.egg-info /root/nova/.venv/lib/python2.7/site-packages/kombu-2.5.14-py2.7.egg-info/PKG-INFO /root/nova/.venv/lib/python2.7/site-packages/kombu-2.5.14-py2.7.egg-info/SOURCES.txt /root/nova/.venv/lib/python2.7/site-packages/kombu-2.5.14-py2.7.egg-info/dependency_links.txt /root/nova/.venv/lib/python2.7/site-packages/kombu-2.5.14-py2.7.egg-info/installed-files.txt /root/nova/.venv/lib/python2.7/site-packages/kombu-2.5.14-py2.7.egg-info/not-zip-safe /root/nova/.venv/lib/python2.7/site-packages/kombu-2.5.14-py2.7.egg-info/requires.txt /root/nova/.venv/lib/python2.7/site-packages/kombu-2.5.14-py2.7.egg-info/top_level.txt /usr/local/lib/python2.7/dist-packages/kombu-2.5.14-py2.7.egg-info /usr/local/lib/python2.7/dist-packages/kombu-2.5.14-py2.7.egg-info/PKG-INFO /usr/local/lib/python2.7/dist-packages/kombu-2.5.14-py2.7.egg-info/SOURCES.txt /usr/local/lib/python2.7/dist-packages/kombu-2.5.14-py2.7.egg-info/dependency_links.txt /usr/local/lib/python2.7/dist-packages/kombu-2.5.14-py2.7.egg-info/installed-files.txt /usr/local/lib/python2.7/dist-packages/kombu-2.5.14-py2.7.egg-info/not-zip-safe /usr/local/lib/python2.7/dist-packages/kombu-2.5.14-py2.7.egg-info/requires.txt /usr/local/lib/python2.7/dist-packages/kombu-2.5.14-py2.7.egg-info/top_level.txt I thank it is will resolve my problem that switch kombu-2.5.14 to kombu-1.4.3, but I have no idea how to switch it. Looking for any help. Regards. zhengguang
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