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When I run nova-manage, it fails.  The message in
/var/log/nova/nova-manage.log is

2014-07-23 13:16:28.276 31278 CRITICAL nova [-] AttributeError: 'module'
object has no attribute 'DatabaseNotControlledError'

Digging into the code with the python debugger leads me to

​Traceback (most recent call last):

  File "/usr/lib64/python2.6/pdb.py", line 1296, in main
    pdb._runscript(mainpyfile)
  File "/usr/lib64/python2.6/pdb.py", line 1215, in _runscript
    self.run(statement)
  File "/usr/lib64/python2.6/bdb.py", line 372, in run
    exec cmd in globals, locals
  File "<string>", line 1, in <module>
  File "/usr/bin/nova-manage", line 10, in <module>
    sys.exit(main())
  File "/usr/lib/python2.6/site-packages/nova/cmd/manage.py", line 1374, in main
    ret = fn(*fn_args, **fn_kwargs)
  File "/usr/lib/python2.6/site-packages/nova/cmd/manage.py", line 883, in sync
    return migration.db_sync(version)
  File "/usr/lib/python2.6/site-packages/nova/db/migration.py", line
29, in db_sync
    return IMPL.db_sync(version=version)
  File "/usr/lib/python2.6/site-packages/nova/db/sqlalchemy/migration.py",
line 41, in db_sync
    current_version = db_version()
  *File "/usr/lib/python2.6/site-packages/nova/db/sqlalchemy/migration.py",
line 54, in db_version*
*    except versioning_exceptions.DatabaseNotControlledError:*

*AttributeError: 'module' object has no attribute
'DatabaseNotControlledError'*​

​The exception is raised at
​/usr/lib/python2.6/site-packages/migrate/versioning/schema.py
line 51:

 38      def load(self):
 39          """Load controlled schema version info from DB"""
 40          tname = self.repository.version_table
 41          try:
 42              if not hasattr(self, 'table') or self.table is None:
 43                      self.table = Table(tname, self.meta, autoload=True)
 44
 45              result = self.engine.execute(self.table.select(
 46                  self.table.c.repository_id == str(self.repository.id)))
 47
 48              data = list(result)[0]
 49          except:
 50              cls, exc, tb = sys.exc_info()
 51 B->            raise exceptions.DatabaseNotControlledError,
exc.__str__(), tb
 52
 53          self.version = data['version']
 54          return data


​Does anybody have an insight as to what is going on, or even what the
intent of this code is?


Many thanks,

Jeff
​



-- 
*Jeff Silverman*
Systems Engineer
(253) 459-2318 (c)
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