Hello,

the code for reconnecting to postgress is in the module, but implemented only for v2 of DB API. However, kamailio originated modules implement v1 of DB API. Will be pretty easy to update DB API v1 for a devel that uses postgress. I do not have such devel environment setup, but if i find time I will make a patch if others are willing to test.

Cheers,
Daniel


On 1/4/11 7:44 PM, Javier Gallart wrote:
Thanks Alex,

it looks like we'll have to move to mysql in that case (we are much more experienced in postgres). Is this feature expected to be added for db_postgres?

Regards

Javi

Message: 6
Date: Tue, 04 Jan 2011 11:54:20 -0500
From: Alex Balashov <abalashov@evaristesys.com>
Subject: Re: [SR-Users] Reconnection to db
To: sr-users@lists.sip-router.org
Message-ID: <4D2350BC.8080207@evaristesys.com>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed

On 01/04/2011 09:46 AM, Javier Gallart wrote:
> Hi list
>
> we have been testing the mtree module. We do periodical reloads of the
> mtree table with the "mi mt_reload" command through xmlrpc. It works
> fine except when the db is restarted. If we manually restart the db and
> then try the mt_reload commands we get this error:
> Jan  4 09:13:17 server /usr/local/kamailio-3.1.1/sbin/kamailio[28534]:
> ERROR: db_postgres [km_dbase.c:152]: 0xa6a490 PQsendQuery Error: server
> closed the connection unexpectedly#012#011This probably means the server
> terminated abnormally#012#011before or while processing the request.#012
> Query: select partition,prefix,route from trees  order by partition
> Jan  4 09:13:17 server /usr/local/kamailio-3.1.1/sbin/kamailio[28534]:
> ERROR: <core> [db_query.c:101]: error while submitting query
> Jan  4 09:13:17 server /usr/local/kamailio-3.1.1/sbin/kamailio[28534]:
> ERROR: mtree [mtree_mod.c:622]: Error while querying db
> Jan  4 09:13:17 server /usr/local/kamailio-3.1.1/sbin/kamailio[28534]:
> ERROR: mtree [mtree_mod.c:738]: cannot re-load info from database
>
> Is there a way to reconnect to the db before sending that command?

Failure to automatically reconnect to Postgres is one of the
distinguishing features of db_postgres in contrast to db_mysql for the
moment.

--
Alex Balashov - Principal
Evariste Systems LLC
260 Peachtree Street NW
Suite 2200
Atlanta, GA 30303
Tel: +1-678-954-0670
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Web: http://www.evaristesys.com/



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Kamailio (OpenSER) Advanced Training
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