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Reviewed:  https://review.openstack.org/439981
Committed: https://git.openstack.org/cgit/openstack/neutron/commit/?id=5bd08ce7f9283d8bf7789049e536a9957d54e41a
Submitter: Jenkins
Branch:    master

commit 5bd08ce7f9283d8bf7789049e536a9957d54e41a
Author: YAMAMOTO Takashi <yamamoto@xxxxxxxxxxxx>
Date:   Thu Mar 2 12:52:25 2017 +0900

    Don't use save_and_reraise_exception when we never reraise
    
    Otherwise we get "Original exception being dropped" messages.
    
    Closes-Bug: #1669244
    Change-Id: Iecda4cce3f87c1a5a18cf365a3d6bdf5a8b4b514


** Changed in: neutron
       Status: In Progress => Fix Released

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https://bugs.launchpad.net/bugs/1669244

Title:
  noisy "Original exception being dropped" logs

Status in neutron:
  Fix Released

Bug description:
  CallbackFailure related noisy log messages.

  eg.

  
         ERROR [neutron.callbacks.manager] Callback neutron_vpnaas.db.vpn.vpn_db.vpn_callback--9223372036574151638 raised Subnet b3795775-0de9-4c75-bc9a-6f48bd1b2bb7 is used by VPNService a2913f9c-265b-4715-9294-789bb042b71f
         ERROR [root] Original exception being dropped: ['Traceback (most recent call last):\n', '  File "/Users/yamamoto/git/neutron-vpnaas/.tox/py27/src/neutron/neutron/db/l3_db.py", line 892, in _confirm_router_interface_not_in_use\n    events.BEFORE_DELETE, self, **kwargs)\n', '  File "/Users/yamamoto/git/neutron-vpnaas/.tox/py27/src/neutron/neutron/callbacks/registry.py", line 44, in notify\n    _get_callback_manager().notify(resource, event, trigger, **kwargs)\n', '  File "/Users/yamamoto/git/neutron-vpnaas/.tox/py27/src/neutron/neutron/db/api.py", line 179, in wrapped\n    raise db_exc.RetryRequest(e)\n', '  File "/Users/yamamoto/git/neutron-vpnaas/.tox/py27/lib/python2.7/site-packages/oslo_utils/excutils.py", line 220, in __exit__\n    self.force_reraise()\n', '  File "/Users/yamamoto/git/neutron-vpnaas/.tox/py27/lib/python2.7/site-packages/oslo_utils/excutils.py", line 196, in force_reraise\n    six.reraise(self.type_, self.value, self.tb)\n', '  File "/Users/yamamoto/git/neutron-vpnaas/.tox/py27/src/neutron/neutron/db/api.py", line 174, in wrapped\n    return f(*args, **kwargs)\n', '  File "/Users/yamamoto/git/neutron-vpnaas/.tox/py27/src/neutron/neutron/callbacks/manager.py", line 127, in notify\n    raise exceptions.CallbackFailure(errors=errors)\n', 'CallbackFailure: Callback neutron_vpnaas.db.vpn.vpn_db.vpn_callback--9223372036574151638 failed with "Subnet b3795775-0de9-4c75-bc9a-6f48bd1b2bb7 is used by VPNService a2913f9c-265b-4715-9294-789bb042b71f"\n']

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