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[Bug 1324120] Re: NSX: exception when creating a flat network

To: yahoo-eng-team@xxxxxxxxxxxxxxxxxxx
From: Thierry Carrez <thierry.carrez+lp@xxxxxxxxx>
Date: Thu, 12 Jun 2014 14:43:09 -0000
Reply-to: Bug 1324120 <1324120@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx
** Changed in: neutron
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/1324120

Title:
  NSX: exception when creating a flat network

Status in OpenStack Neutron (virtual network service):
  Fix Released

Bug description:
  2014-05-28 05:38:02.696 TRACE neutron.openstack.common.db.sqlalchemy.session   File "/usr/lib/python2.7/dist-packages/MySQLdb/converters.py", line 97, in Instance2Str
  2014-05-28 05:38:02.696 TRACE neutron.openstack.common.db.sqlalchemy.session     return d[o.__class__](o, d)
  2014-05-28 05:38:02.696 TRACE neutron.openstack.common.db.sqlalchemy.session   File "/usr/lib/python2.7/dist-packages/MySQLdb/converters.py", line 97, in Instance2Str
  2014-05-28 05:38:02.696 TRACE neutron.openstack.common.db.sqlalchemy.session     return d[o.__class__](o, d)
  2014-05-28 05:38:02.696 TRACE neutron.openstack.common.db.sqlalchemy.session   File "/usr/lib/python2.7/dist-packages/MySQLdb/converters.py", line 97, in Instance2Str
  2014-05-28 05:38:02.696 TRACE neutron.openstack.common.db.sqlalchemy.session     return d[o.__class__](o, d)
  2014-05-28 05:38:02.696 TRACE neutron.openstack.common.db.sqlalchemy.session   File "/usr/lib/python2.7/dist-packages/MySQLdb/converters.py", line 97, in Instance2Str
  2014-05-28 05:38:02.696 TRACE neutron.openstack.common.db.sqlalchemy.session     return d[o.__class__](o, d)
  2014-05-28 05:38:02.696 TRACE neutron.openstack.common.db.sqlalchemy.session   File "/usr/lib/python2.7/dist-packages/MySQLdb/converters.py", line 97, in Instance2Str
  2014-05-28 05:38:02.696 TRACE neutron.openstack.common.db.sqlalchemy.session     return d[o.__class__](o, d)
  2014-05-28 05:38:02.696 TRACE neutron.openstack.common.db.sqlalchemy.session   File "/usr/lib/python2.7/dist-packages/MySQLdb/converters.py", line 97, in Instance2Str
  2014-05-28 05:38:02.696 TRACE neutron.openstack.common.db.sqlalchemy.session     return d[o.__class__](o, d)
  2014-05-28 05:38:02.696 TRACE neutron.openstack.common.db.sqlalchemy.session   File "/usr/lib/python2.7/dist-packages/MySQLdb/converters.py", line 97, in Instance2Str
  2014-05-28 05:38:02.696 TRACE neutron.openstack.common.db.sqlalchemy.session     return d[o.__class__](o, d)
  2014-05-28 05:38:02.696 TRACE neutron.openstack.common.db.sqlalchemy.session   File "/usr/lib/python2.7/dist-packages/MySQLdb/converters.py", line 97, in Instance2Str
  2014-05-28 05:38:02.696 TRACE neutron.openstack.common.db.sqlalchemy.session     return d[o.__class__](o, d)
  2014-05-28 05:38:02.696 TRACE neutron.openstack.common.db.sqlalchemy.session   File "/usr/lib/python2.7/dist-packages/MySQLdb/converters.py", line 97, in Instance2Str
  2014-05-28 05:38:02.696 TRACE neutron.openstack.common.db.sqlalchemy.session     return d[o.__class__](o, d)
  2014-05-28 05:38:02.696 TRACE neutron.openstack.common.db.sqlalchemy.session   File "/usr/lib/python2.7/dist-packages/MySQLdb/converters.py", line 97, in Instance2Str
  2014-05-28 05:38:02.696 TRACE neutron.openstack.common.db.sqlalchemy.session     return d[o.__class__](o, d)
  2014-05-28 05:38:02.696 TRACE neutron.openstack.common.db.sqlalchemy.session   File "/usr/lib/python2.7/dist-packages/MySQLdb/converters.py", line 97, in Instance2Str
  2014-05-28 05:38:02.696 TRACE neutron.openstack.common.db.sqlalchemy.session     return d[o.__class__](o, d)
  2014-05-28 05:38:02.696 TRACE neutron.openstack.common.db.sqlalchemy.session   File "/usr/lib/python2.7/dist-packages/MySQLdb/converters.py", line 97, in Instance2Str
  2014-05-28 05:38:02.696 TRACE neutron.openstack.common.db.sqlalchemy.session     return d[o.__class__](o, d)
  2014-05-28 05:38:02.696 TRACE neutron.openstack.common.db.sqlalchemy.session   File "/usr/lib/python2.7/dist-packages/MySQLdb/converters.py", line 97, in Instance2Str
  2014-05-28 05:38:02.696 TRACE neutron.openstack.common.db.sqlalchemy.session     return d[o.__class__](o, d)
  2014-05-28 05:38:02.696 TRACE neutron.openstack.common.db.sqlalchemy.session   File "/usr/lib/python2.7/dist-packages/MySQLdb/converters.py", line 97, in Instance2Str
  2014-05-28 05:38:02.696 TRACE neutron.openstack.common.db.sqlalchemy.session     return d[o.__class__](o, d)
  2014-05-28 05:38:02.696 TRACE neutron.openstack.common.db.sqlalchemy.session   File "/usr/lib/python2.7/dist-packages/MySQLdb/converters.py", line 97, in Instance2Str
  2014-05-28 05:38:02.696 TRACE neutron.openstack.common.db.sqlalchemy.session     return d[o.__class__](o, d)
  2014-05-28 05:38:02.696 TRACE neutron.openstack.common.db.sqlalchemy.session   File "/usr/lib/python2.7/dist-packages/MySQLdb/converters.py", line 97, in Instance2Str
  2014-05-28 05:38:02.696 TRACE neutron.openstack.common.db.sqlalchemy.session     return d[o.__class__](o, d)
  2014-05-28 05:38:02.696 TRACE neutron.openstack.common.db.sqlalchemy.session   File "/usr/lib/python2.7/dist-packages/MySQLdb/converters.py", line 97, in Instance2Str
  2014-05-28 05:38:02.696 TRACE neutron.openstack.common.db.sqlalchemy.session     return d[o.__class__](o, d)
  2014-05-28 05:38:02.696 TRACE neutron.openstack.common.db.sqlalchemy.session   File "/usr/lib/python2.7/dist-packages/MySQLdb/converters.py", line 97, in Instance2Str
  2014-05-28 05:38:02.696 TRACE neutron.openstack.common.db.sqlalchemy.session     return d[o.__class__](o, d)
  2014-05-28 05:38:02.696 TRACE neutron.openstack.common.db.sqlalchemy.session   File "/usr/lib/python2.7/dist-packages/MySQLdb/converters.py", line 97, in Instance2Str
  2014-05-28 05:38:02.696 TRACE neutron.openstack.common.db.sqlalchemy.session     return d[o.__class__](o, d)
  2014-05-28 05:38:02.696 TRACE neutron.openstack.common.db.sqlalchemy.session   File "/usr/lib/python2.7/dist-packages/MySQLdb/converters.py", line 97, in Instance2Str
  2014-05-28 05:38:02.696 TRACE neutron.openstack.common.db.sqlalchemy.session     return d[o.__class__](o, d)
  2014-05-28 05:38:02.696 TRACE neutron.openstack.common.db.sqlalchemy.session   File "/usr/lib/python2.7/dist-packages/MySQLdb/converters.py", line 97, in Instance2Str
  2014-05-28 05:38:02.696 TRACE neutron.openstack.common.db.sqlalchemy.session     return d[o.__class__](o, d)
  2014-05-28 05:38:02.696 TRACE neutron.openstack.common.db.sqlalchemy.session   File "/usr/lib/python2.7/dist-packages/MySQLdb/converters.py", line 97, in Instance2Str
  2014-05-28 05:38:02.696 TRACE neutron.openstack.common.db.sqlalchemy.session     return d[o.__class__](o, d)
  2014-05-28 05:38:02.696 TRACE neutron.openstack.common.db.sqlalchemy.session   File "/usr/lib/python2.7/dist-packages/MySQLdb/converters.py", line 97, in Instance2Str
  2014-05-28 05:38:02.696 TRACE neutron.openstack.common.db.sqlalchemy.session     return d[o.__class__](o, d)
  2014-05-28 05:38:02.696 TRACE neutron.openstack.common.db.sqlalchemy.session   File "/usr/lib/python2.7/dist-packages/MySQLdb/converters.py", line 97, in Instance2Str
  2014-05-28 05:38:02.696 TRACE neutron.openstack.common.db.sqlalchemy.session     return d[o.__class__](o, d)
  2014-05-28 05:38:02.696 TRACE neutron.openstack.common.db.sqlalchemy.session RuntimeError: maximum recursion depth exceeded
  2014-05-28 05:38:02.696 TRACE neutron.openstack.common.db.sqlalchemy.session 

  Problem is the line
  https://github.com/openstack/neutron/blob/master/neutron/plugins/vmware/plugins/base.py#L1012.
  A flat network will return an object instead of 0

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References

[Bug 1324120] [NEW] NSX: exception when creating a flat network
From: Gary Kotton, 2014-05-28