# neutron-db-manage --config-file /etc/neutron/neutron.conf --config-file /etc/neutron/plugin.ini upgrade head
No handlers could be found for logger "neutron.common.legacy"
Traceback (most recent call last):
File "/usr/bin/neutron-db-manage", line 10, in <module>
sys.exit(main())
File "/usr/lib/python2.6/site-packages/neutron/db/migration/cli.py", line 169, in main
CONF.command.func(config, CONF.command.name)
File "/usr/lib/python2.6/site-packages/neutron/db/migration/cli.py", line 82, in do_upgrade_downgrade
do_alembic_command(config, cmd, revision, sql=CONF.command.sql)
File "/usr/lib/python2.6/site-packages/neutron/db/migration/cli.py", line 60, in do_alembic_command
getattr(alembic_command, cmd)(config, *args, **kwargs)
File "/usr/lib/python2.6/site-packages/alembic/command.py", line 124, in upgrade
script.run_env()
File "/usr/lib/python2.6/site-packages/alembic/script.py", line 191, in run_env
util.load_python_file(self.dir, 'env.py')
File "/usr/lib/python2.6/site-packages/alembic/util.py", line 186, in load_python_file
module = imp.load_source(module_id, path, open(path, 'rb'))
File "/usr/lib/python2.6/site-packages/neutron/db/migration/alembic_migrations/env.py", line 42, in <module>
importutils.import_class(class_path)
File "/usr/lib/python2.6/site-packages/neutron/openstack/common/importutils.py", line 33, in import_class
traceback.format_exception(*sys.exc_info())))
ImportError: Class router cannot be found (['Traceback (most recent call last):\n', ' File "/usr/lib/python2.6/site-packages/neutron/openstack/common/importutils.py", line 28, in import_class\n __import__(mod_str)\n', 'ValueError: Empty module name\n'])
