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[Adam Gandelman <1292102@xxxxxxxxxxxxxxxxxx>]

** Changed in: neutron/icehouse
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/1292102

Title:
  AttributeError: 'NoneType' object has no attribute 'obj'
  (driver.obj.release_segment(session, segment))

Status in OpenStack Neutron (virtual network service):
  Fix Released
Status in neutron icehouse series:
  Fix Released
Status in “neutron” package in Ubuntu:
  Fix Released
Status in “neutron” source package in Trusty:
  Triaged
Status in “neutron” source package in Utopic:
  Fix Released

Bug description:
  When trying to delete a network, I hit a traceback.

  ubuntu@neutron01:~$ neutron port-list

  ubuntu@neutron01:~$ neutron net-list
  +--------------------------------------+---------+---------+
  | id                                   | name    | subnets |
  +--------------------------------------+---------+---------+
  | 822d2b2e-481f-4838-9fe5-459be7b10193 | int_net |         |
  | ac498310-833b-42f2-9009-049cac145c71 | ext_net |         |
  +--------------------------------------+---------+---------+

  ubuntu@neutron01:~$ neutron --debug net-delete int_net
  Request Failed: internal server error while processing your request.
  Traceback (most recent call last):
    File "/usr/lib/python2.7/dist-packages/neutronclient/shell.py", line 527, in run_subcommand
      return run_command(cmd, cmd_parser, sub_argv)
    File "/usr/lib/python2.7/dist-packages/neutronclient/shell.py", line 80, in run_command
      return cmd.run(known_args)
    File "/usr/lib/python2.7/dist-packages/neutronclient/neutron/v2_0/__init__.py", line 510, in run
      obj_deleter(_id)
    File "/usr/lib/python2.7/dist-packages/neutronclient/v2_0/client.py", line 112, in with_params
      ret = self.function(instance, *args, **kwargs)
    File "/usr/lib/python2.7/dist-packages/neutronclient/v2_0/client.py", line 354, in delete_network
      return self.delete(self.network_path % (network))
    File "/usr/lib/python2.7/dist-packages/neutronclient/v2_0/client.py", line 1233, in delete
      headers=headers, params=params)
    File "/usr/lib/python2.7/dist-packages/neutronclient/v2_0/client.py", line 1222, in retry_request
      headers=headers, params=params)
    File "/usr/lib/python2.7/dist-packages/neutronclient/v2_0/client.py", line 1165, in do_request
      self._handle_fault_response(status_code, replybody)
    File "/usr/lib/python2.7/dist-packages/neutronclient/v2_0/client.py", line 1135, in _handle_fault_response
      exception_handler_v20(status_code, des_error_body)
    File "/usr/lib/python2.7/dist-packages/neutronclient/v2_0/client.py", line 85, in exception_handler_v20
      message=error_dict)
  NeutronClientException: Request Failed: internal server error while processing your request.
  ubuntu@neutron01:~$

  
  /var/log/neutron/server.log
  ====
  2014-03-13 12:30:09.930 16624 ERROR neutron.api.v2.resource [req-cc63906f-1e13-4d22-becf-86979d80399f None] delete failed
  2014-03-13 12:30:09.930 16624 TRACE neutron.api.v2.resource Traceback (most recent call last):
  2014-03-13 12:30:09.930 16624 TRACE neutron.api.v2.resource   File "/usr/lib/python2.7/dist-packages/neutron/api/v2/resource.py", line 87, in resource
  2014-03-13 12:30:09.930 16624 TRACE neutron.api.v2.resource     result = method(request=request, **args)
  2014-03-13 12:30:09.930 16624 TRACE neutron.api.v2.resource   File "/usr/lib/python2.7/dist-packages/neutron/api/v2/base.py", line 438, in delete
  2014-03-13 12:30:09.930 16624 TRACE neutron.api.v2.resource     obj_deleter(request.context, id, **kwargs)
  2014-03-13 12:30:09.930 16624 TRACE neutron.api.v2.resource   File "/usr/lib/python2.7/dist-packages/neutron/plugins/ml2/plugin.py", line 479, in delete_network
  2014-03-13 12:30:09.930 16624 TRACE neutron.api.v2.resource     self.type_manager.release_segment(session, segment)
  2014-03-13 12:30:09.930 16624 TRACE neutron.api.v2.resource   File "/usr/lib/python2.7/dist-packages/neutron/plugins/ml2/managers.py", line 104, in release_segment
  2014-03-13 12:30:09.930 16624 TRACE neutron.api.v2.resource     driver.obj.release_segment(session, segment)
  2014-03-13 12:30:09.930 16624 TRACE neutron.api.v2.resource AttributeError: 'NoneType' object has no attribute 'obj'
  2014-03-13 12:30:09.930 16624 TRACE neutron.api.v2.resource

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: neutron-plugin-ml2 1:2014.1~b3-0ubuntu1
  ProcVersionSignature: Ubuntu 3.13.0-16.36-generic 3.13.5
  Uname: Linux 3.13.0-16-generic x86_64
  ApportVersion: 2.13.3-0ubuntu1
  Architecture: amd64
  Date: Thu Mar 13 12:36:03 2014
  PackageArchitecture: all
  ProcEnviron:
   TERM=screen.linux
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: neutron
  UpgradeStatus: No upgrade log present (probably fresh install)
  modified.conffile..etc.neutron.plugins.ml2.ml2.conf.arista.ini: [deleted]
  modified.conffile..etc.neutron.plugins.ml2.ml2.conf.brocade.ini: [deleted]
  modified.conffile..etc.neutron.plugins.ml2.ml2.conf.cisco.ini: [deleted]
  modified.conffile..etc.neutron.plugins.ml2.ml2.conf.ini: [deleted]
  modified.conffile..etc.neutron.plugins.ml2.ml2.conf.mlnx.ini: [deleted]
  modified.conffile..etc.neutron.plugins.ml2.ml2.conf.ncs.ini: [deleted]
  modified.conffile..etc.neutron.plugins.ml2.ml2.conf.ofa.ini: [deleted]

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