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

To: yahoo-eng-team@xxxxxxxxxxxxxxxxxxx
From: Gary Kotton <1324120@xxxxxxxxxxxxxxxxxx>
Date: Wed, 28 May 2014 13:01:10 -0000
Reply-to: Bug 1324120 <1324120@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx
Public bug reported:

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

** Affects: neutron
     Importance: High
     Assignee: Gary Kotton (garyk)
         Status: New


** Tags: icehouse-backport-potential

** Changed in: neutron
   Importance: Undecided => High

** Changed in: neutron
     Assignee: (unassigned) => Gary Kotton (garyk)

** Changed in: neutron
    Milestone: None => juno-1

** Tags added: icehouse-backport-potential

-- 
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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):
  New

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

To manage notifications about this bug go to:
https://bugs.launchpad.net/neutron/+bug/1324120/+subscriptions
Follow ups

[Bug 1324120] Re: NSX: exception when creating a flat network
From: Chuck Short, 2014-08-07
[Bug 1324120] Re: NSX: exception when creating a flat network
From: Chuck Short, 2014-08-07
[Bug 1324120] Re: NSX: exception when creating a flat network
From: Thierry Carrez, 2014-06-12
[Bug 1324120] [NEW] NSX: exception when creating a flat network
From: Gary Kotton, 2014-05-28
References

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