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[Nathanael Burton <nathanael.i.burton@xxxxxxxxx>]

Pavan,

The message is not an error but a warning that a particular python call
(Pool.add_listener) is deprecated and will be removed in a future version
of the module.

Thanks,

Nate
On Oct 16, 2012 11:20 AM, "Pavan Kulkarni" <pavan.baburao@xxxxxxxxx> wrote:

> Hi,
>
>   I am trying to install Openstack Essex following the instructions from
> this link<http://docs.openstack.org/essex/openstack-compute/install/yum/content/compute-db-sync.html>
> .
> But I get an error as follows which is faced by quite a number of users
> based on the comments.
> But none of them are resolved.
>  If anyone has any idea what may be the problem, please let me know. Thanks
> The error is as follows as soon as i run the *db-sync comand *during nova
> installation.
> *
> *
> *Error*
> *2012-10-16 11:00:57 DEBUG nova.utils [-] backend <module
> 'nova.db.sqlalchemy.migration' from
> '/usr/lib/python2.6/site-packages/nova/db/sqlalchemy/migration.pyc'> from
> (pid=15585) __get_backend /usr/lib/python2.6/site-packages/nova/utils.py:659
> *
> *2012-10-16 11:00:57 WARNING nova.utils [-]
> /usr/lib64/python2.6/site-packages/SQLAlchemy-0.7.8-py2.6-linux-x86_64.egg/sqlalchemy/pool.py:683:
> SADeprecationWarning: The 'listeners' argument to Pool (and
> create_engine()) is deprecated.  Use event.listen().*
> *  Pool.__init__(self, creator, **kw)*
> *
> *
> *2012-10-16 11:00:57 WARNING nova.utils [-]
> /usr/lib64/python2.6/site-packages/SQLAlchemy-0.7.8-py2.6-linux-x86_64.egg/sqlalchemy/pool.py:159:
> SADeprecationWarning: Pool.add_listener is deprecated.  Use event.listen()
> *
> *  self.add_listener(l)*
>
>
>
>
> --
>
> --With Regards
> Pavan Kulkarni
>
>
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