Error creating connection using postgres

Hi,

Iam trying to create a XA connection pool using postgres driver
(postgresql-8.3-603.jdbc3.jar) on Weblogic 8.1.6.0 from the Admin
Console.

I have provided the following info in the JDBC config

Driver Class Name: org.postgresql.xa.PGXADataSource.
JDBC URL: jdbc:postgresql://192.168.192.112:5432/sample1
UserName: postgres
Password: Postgres

When I click Test Driver Configuration. Iam getting the following error
"FATAL: database "null" does not exist"

if i change the Driver Class Name to "org.postgresql.Driver", it is
working fine. But as iam trying to create XA datasource i need to use
the XA Driver class name.

Can someone tell me how to resolve this issue?

The postgres version iam using is 8.3.1

Regards,

Sanjay

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