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On 12/28/2011 10:44 AM, Suresh Hosur wrote:
> Hi,
>
> I have installed postgresql-9.0 on my CentOS 6.0 server in the directory
> /usr/pgsql-9.0/.
> Its data directory resides in /var/lib/pgsql/9.0/
>
> unable to run $psql dbname command
>
> when i run the commands its showing the error like:
>
> [root@CentOS-60-32-minimal ~]# su - postgres
> -bash-4.1$ psql msdi
> psql: symbol lookup error: psql: undefined symbol: PQconnectdbParams
> -bash-4.1$
>
Hello
Most probably your installation of postgres is using a version of
libpq.so already installed in your system and not compatible with
postgresql-9.0.
You haven't said how you installed postgres under /usr/pgsql-9.0/ in
your system, from source?
Check your PATH variable for the user postgres. Which installation you
are using (type psql) and which libpq your executables are trying to use
(ldd /path_to_executable/psql).
You can either delete the libpq installed in your system and use the one
you have installed under /usr/pgsql-9.0/, or upgrade the libpq in your
system to a version compatible with what you have installed under
/usr/pgsql-9.0/.
regards,
- --
Rafael Martinez Guerrero
Center for Information Technology
University of Oslo, Norway
PGP Public Key: http://folk.uio.no/rafael/
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