Re: cannot connect to database through ECPG but can through psql

Seann Reed <reedseannm(at)gmail(dot)com> writes:
> I'm a relative newbie to Postgres but I've asked a few colleagues about
> this problem without a solution, so I'm hoping someone on the list serve
> can help.

> The problem arose when I move to an upgraded operating system, an upgraded
> version of Postgres, and when I dump a database out of the old machine and
> restore it on a new machine.

> Old: RedHat 5.9, Postgres 8.1.23
> New: RedHat 6.6, Postgres 9.2

> Everything worked fine with the old setup. With the new setup, I can
> access my database through psql command-line. However, I have a compiled
> program called 'Shefdecode' that makes queries to the database through ECPG
> and this program cannot access the database. I get errors:

> "Postgres error -220" and
> "SQL STATE = 08003" (User manual says this means "The program tried to
> access a connection that does not exist.")

> Although I don't have the source for the Shefdecode program, I know it uses
> the environment variables PGUSER and PGHOST and also gets passed the
> database name. I've checked to make sure these are correct.

> What else should I look for to try to determine the cause of this error?

Postmaster's log might offer some insight, especially if you turn on
log_connections.

regards, tom lane