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[Rolf Leggewie <838581@xxxxxxxxxxxxxxxxxx>]

oneiric has seen the end of its life and is no longer receiving any
updates. Marking the oneiric task for this ticket as "Won't Fix".

** Changed in: nova (Ubuntu Oneiric)
       Status: Fix Committed => Won't Fix

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https://bugs.launchpad.net/bugs/838581

Title:
  Failures in db_pool code: 'NoneType' object has no attribute '_keymap'
  or not returning rows.

Status in OpenStack Compute (Nova):
  Fix Released
Status in OpenStack Compute (nova) diablo series:
  Fix Released
Status in nova package in Ubuntu:
  Fix Released
Status in nova source package in Oneiric:
  Won't Fix
Status in nova source package in Precise:
  Fix Released

Bug description:
  Running rev 1514, getting this on instance build in XenServer.

  2011-09-01 02:38:04,374 ERROR nova.rpc [-] Exception during message handling
  (nova.rpc): TRACE: Traceback (most recent call last):
  (nova.rpc): TRACE:   File "/usr/lib/pymodules/python2.6/nova/rpc/impl_kombu.py", line 620, in _process_data
  (nova.rpc): TRACE:     rval = node_func(context=ctxt, **node_args)
  (nova.rpc): TRACE:   File "/usr/lib/pymodules/python2.6/nova/exception.py", line 98, in wrapped
  (nova.rpc): TRACE:     return f(*args, **kw)
  (nova.rpc): TRACE:   File "/usr/lib/pymodules/python2.6/nova/compute/manager.py", line 453, in run_instance
  (nova.rpc): TRACE:     self._run_instance(context, instance_id, **kwargs)
  (nova.rpc): TRACE:   File "/usr/lib/pymodules/python2.6/nova/compute/manager.py", line 392, in _run_instance
  (nova.rpc): TRACE:     requested_networks=requested_networks)
  (nova.rpc): TRACE:   File "/usr/lib/pymodules/python2.6/nova/network/api.py", line 162, in allocate_for_instance
  (nova.rpc): TRACE:     'args': args})
  (nova.rpc): TRACE:   File "/usr/lib/pymodules/python2.6/nova/rpc/__init__.py", line 45, in call
  (nova.rpc): TRACE:     return get_impl().call(context, topic, msg)
  (nova.rpc): TRACE:   File "/usr/lib/pymodules/python2.6/nova/rpc/impl_kombu.py", line 739, in call
  (nova.rpc): TRACE:     rv = list(rv)
  (nova.rpc): TRACE:   File "/usr/lib/pymodules/python2.6/nova/rpc/impl_kombu.py", line 703, in __iter__
  (nova.rpc): TRACE:     raise result
  (nova.rpc): TRACE: RemoteError: AttributeError 'NoneType' object has no attribute '_keymap'
  (nova.rpc): TRACE: [u'Traceback (most recent call last):\n', u'  File "/usr/lib/pymodules/python2.6/nova/rpc/impl_kombu.py", line 620, in _process_data\n    rval = node_func(context=ctxt, **node_args)\n', u'  File "/usr/lib/pymodules/python2.6/nova/network/manager.py", line 462, in allocate_for_instance\n    networks, vpn=vpn)\n', u'  File "/usr/lib/pymodules/python2.6/nova/network/manager.py", line 971, in _allocate_fixed_ips_hack\n    self.allocate_fixed_ip(context, instance_id, nw)\n', u'  File "/usr/lib/pymodules/python2.6/nova/network/manager.py", line 653, in allocate_fixed_ip\n    instance_id)\n', u'  File "/usr/lib/pymodules/python2.6/nova/db/api.py", line 343, in fixed_ip_associate_pool\n    instance_id, host)\n', u'  File "/usr/lib/pymodules/python2.6/nova/db/sqlalchemy/api.py", line 100, in wrapper\n    return f(*args, **kwargs)\n', u'  File "/usr/lib/pymodules/python2.6/nova/db/sqlalchemy/api.py", line 714, in fixed_ip_associate_pool\n    with_lockmode(\'update\').\\\n', u'  File "/usr/lib/python2.6/dist-packages/sqlalchemy/orm/query.py", line 1496, in first\n    ret = list(self[0:1])\n', u'  File "/usr/lib/python2.6/dist-packages/sqlalchemy/orm/query.py", line 1405, in __getitem__\n    return list(res)\n', u'  File "/usr/lib/python2.6/dist-packages/sqlalchemy/orm/query.py", line 1669, in instances\n    fetch = cursor.fetchall()\n', u'  File "/usr/lib/python2.6/dist-packages/sqlalchemy/engine/base.py", line 2383, in fetchall\n    l = self.process_rows(self._fetchall_impl())\n', u'  File "/usr/lib/python2.6/dist-packages/sqlalchemy/engine/base.py", line 2366, in process_rows\n    keymap = metadata._keymap\n', u"AttributeError: 'NoneType' object has no attribute '_keymap'\n"]
  (nova.rpc): TRACE:

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