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Re: Acucobol, ODBC and Postgres

From: "Jonah H(dot) Harris" <jonah(dot)harris(at)gmail(dot)com>
To: Korry Douglas <korry(dot)douglas(at)enterprisedb(dot)com>
Cc: Jonathan Foy <thefoy(at)gmail(dot)com>, pgsql-odbc(at)postgresql(dot)org
Subject: Re: Acucobol, ODBC and Postgres
Date: 2010-04-07 20:15:56
Message-ID: g2k36e682921004071315nf5523efeqc215d2059857f9c8@mail.gmail.com (view raw or flat)
Thread:
Lists: pgsql-odbc
On Wed, Apr 7, 2010 at 3:36 PM, Korry Douglas <
korry(dot)douglas(at)enterprisedb(dot)com> wrote:

> I'm trying to configure the postgres odbc driver with our Acucobol
>> application (5.2 and 8.1), and was hoping that someone out there might have
>> some experience with this.
>>
>> The application currently connects to our postgres databases (8.1.3 up to
>> 8.4.2) without issue.  The problem came up when I started trying to use
>> pgbouncer.  I had it up and running from the command line, but connections
>> coming from the application are rejected due to a "bad packet header", which
>> seems to be because the connect packets are coming in with V2 in the data,
>> and pgbouncer only supports V3.  So, we downloaded the latest driver,
>> compiled it (RHEL 5.4), and (in theory) recompiled cobol with the new
>> library (libodbcpsql.so.2.0.0) linked in.  There was no apparent change.
>>
>> The application can still parse the odbc.ini file to get the database
>> name, server, port, user, and password, but any additional settings seem to
>> be ignored.  I can't get any logging, I can't set the Protocol version...I'm
>> not convinced that the proper driver is being used.
>>
>> Does anyone have any ideas?  Pulling my hair out...
>>
>
> I would start by running strace on your application while it is trying to
> connect.  When I've run into kind of problem that you describe, I've found
> that the ODBC Driver Manager is reading the wrong odbc.ini file (for
> example, reading from /etc/odbc.ini when I expected
> /usr/local/etc/odbc.ini).
>

Yeah, I like to explicitly define my ODBCINI and ODBCINST environment
variables to avoid that issue.

-- 
Jonah H. Harris
Blog: http://www.oracle-internals.com/

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