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Guys,

I'm trying to delete a network in Neutron but it is failing, from Horizon
it triggers the error message above (subject), and from CLI, it shows this:

---
root at psuaa-1:~# neutron net-delete a1654832-8aac-42d5-8837-6d27b7421892
Request Failed: internal server error while processing your request.
---

The logs shows:

---
==> /var/log/neutron/server.log <==
2014-05-21 11:49:54.242 5797 INFO neutron.wsgi [-] (5797) accepted
('2804:290:4:dead::10', 56908, 0, 0)

2014-05-21 11:49:54.245 5797 INFO urllib3.connectionpool [-] Starting new
HTTP connection (1): psuaa-1.mng.tcmc.com.br
2014-05-21 11:49:54.332 5797 INFO neutron.wsgi
[req-e1c4d6c4-71de-4bfa-a7db-f09fa0571377 None] 2804:290:4:dead::10 - -
[21/May/2014 11:49:54] "GET
/v2.0/networks.json?fields=id&id=a1654832-8aac-42d5-8837-6d27b7421892
HTTP/1.1" 200 251 0.089015

2014-05-21 11:49:54.334 5797 INFO neutron.wsgi
[req-e1c4d6c4-71de-4bfa-a7db-f09fa0571377 None] (5797) accepted
('2804:290:4:dead::10', 56910, 0, 0)

2014-05-21 11:49:54.380 5797 ERROR neutron.api.v2.resource
[req-f216416d-8433-444f-9108-f4a17f5bf49d None] delete failed
2014-05-21 11:49:54.380 5797 TRACE neutron.api.v2.resource Traceback (most
recent call last):
2014-05-21 11:49:54.380 5797 TRACE neutron.api.v2.resource   File
"/usr/lib/python2.7/dist-packages/neutron/api/v2/resource.py", line 87, in
resource
2014-05-21 11:49:54.380 5797 TRACE neutron.api.v2.resource     result =
method(request=request, **args)
2014-05-21 11:49:54.380 5797 TRACE neutron.api.v2.resource   File
"/usr/lib/python2.7/dist-packages/neutron/api/v2/base.py", line 449, in
delete
2014-05-21 11:49:54.380 5797 TRACE neutron.api.v2.resource
obj_deleter(request.context, id, **kwargs)
2014-05-21 11:49:54.380 5797 TRACE neutron.api.v2.resource   File
"/usr/lib/python2.7/dist-packages/neutron/plugins/ml2/plugin.py", line 494,
in delete_network
2014-05-21 11:49:54.380 5797 TRACE neutron.api.v2.resource
self.type_manager.release_segment(session, segment)
2014-05-21 11:49:54.380 5797 TRACE neutron.api.v2.resource   File
"/usr/lib/python2.7/dist-packages/neutron/plugins/ml2/managers.py", line
101, in release_segment
2014-05-21 11:49:54.380 5797 TRACE neutron.api.v2.resource
driver.obj.release_segment(session, segment)
2014-05-21 11:49:54.380 5797 TRACE neutron.api.v2.resource AttributeError:
'NoneType' object has no attribute 'obj'
2014-05-21 11:49:54.380 5797 TRACE neutron.api.v2.resource
2014-05-21 11:49:54.383 5797 INFO neutron.wsgi
[req-f216416d-8433-444f-9108-f4a17f5bf49d None] 2804:290:4:dead::10 - -
[21/May/2014 11:49:54] "DELETE
/v2.0/networks/a1654832-8aac-42d5-8837-6d27b7421892.json HTTP/1.1" 500 296
0.048123
---

What can I do?!

Tks!
Thiago
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