Thread: cannot connect to database through ECPG but can through psql
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?
Any ideas would be greatly appreciated.
Seann
Seann Reed <reedseannm@gmail.com> wrote: > 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: My guess: psql connects via unix socket, that's works. The programm tries to connect via tcp/ip - don't work. Check if listen_adresses in your postgresql.conf is enabled. Andreas -- Really, I'm not out to destroy Microsoft. That will just be a completely unintentional side effect. (Linus Torvalds) "If I was god, I would recompile penguin with --enable-fly." (unknown) Kaufbach, Saxony, Germany, Europe. N 51.05082°, E 13.56889°
Seann Reed <reedseannm@gmail.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