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[Yaguang Tang <heut2008@xxxxxxxxx>]

** Changed in: nova
       Status: New => Invalid

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https://bugs.launchpad.net/bugs/1151843

Title:
  can't delete a network

Status in OpenStack Compute (Nova):
  Invalid

Bug description:
  If I try to remove a network I got the error advice me that I need to
  disassociate this from the project.

  But also if I scrub it from the project I got an error. So now I'm
  into a dead row.

  I also tried to remove the project without success

  here below the output :

  root@nube:~# nova-manage project scrub demo
  2013-03-07 10:49:59 DEBUG nova.utils [req-5d7190f0-4278-41d2-a77d-ee5ad8dcf350 None None] backend <module 'nova.db.sqlalchemy.api' from '/usr/lib/python2.7/dist-packages/nova/db/sqlalchemy/api.pyc'> __get_backend /usr/lib/python2.7/dist-packages/nova/utils.py:506
  Command failed, please check log for more info
  2013-03-07 10:49:59 CRITICAL nova [req-5d7190f0-4278-41d2-a77d-ee5ad8dcf350 None None] An unknown exception occurred.
  2013-03-07 10:49:59 5234 TRACE nova Traceback (most recent call last):
  2013-03-07 10:49:59 5234 TRACE nova   File "/usr/bin/nova-manage", line 1404, in <module>
  2013-03-07 10:49:59 5234 TRACE nova     main()
  2013-03-07 10:49:59 5234 TRACE nova   File "/usr/bin/nova-manage", line 1391, in main
  2013-03-07 10:49:59 5234 TRACE nova     fn(*fn_args, **fn_kwargs)
  2013-03-07 10:49:59 5234 TRACE nova   File "/usr/bin/nova-manage", line 250, in scrub
  2013-03-07 10:49:59 5234 TRACE nova     networks = db.project_get_networks(admin_context, project_id)
  2013-03-07 10:49:59 5234 TRACE nova   File "/usr/lib/python2.7/dist-packages/nova/db/api.py", line 1375, in project_get_networks
  2013-03-07 10:49:59 5234 TRACE nova     return IMPL.project_get_networks(context, project_id, associate)
  2013-03-07 10:49:59 5234 TRACE nova   File "/usr/lib/python2.7/dist-packages/nova/db/sqlalchemy/api.py", line 129, in wrapper
  2013-03-07 10:49:59 5234 TRACE nova     return f(*args, **kwargs)
  2013-03-07 10:49:59 5234 TRACE nova   File "/usr/lib/python2.7/dist-packages/nova/db/sqlalchemy/api.py", line 3701, in project_get_networks
  2013-03-07 10:49:59 5234 TRACE nova     return [network_associate(context, project_id)]
  2013-03-07 10:49:59 5234 TRACE nova   File "/usr/lib/python2.7/dist-packages/nova/db/sqlalchemy/api.py", line 111, in wrapper
  2013-03-07 10:49:59 5234 TRACE nova     return f(*args, **kwargs)
  2013-03-07 10:49:59 5234 TRACE nova   File "/usr/lib/python2.7/dist-packages/nova/db/sqlalchemy/api.py", line 2065, in network_associate
  2013-03-07 10:49:59 5234 TRACE nova     raise db.NoMoreNetworks()
  2013-03-07 10:49:59 5234 TRACE nova 

  I use folsom in ubuntu 12.04 installed from the official ubuntu
  repository.

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