Re: forName finds Driver but getConnection doesn't

On Tuesday 19 November 2002 11:46 pm, Dennis King wrote:
> Hi All. I can't get to my carefully set-up database through java with
> a simple test program. I think I've hit most of the required set-up
> points:
>
> * I've got all the postgresql packages installed (checked with rpm
> -qa | grep -i postgres; they're there, including the jdbc one).
> * I set tcpip_socket = true in /var/lib/pgsql/data/postgresql.conf.
> * I also updated /etc/rc.d/init.d/ so that postmaster gets -o "-i";
> this means that the "pg_ctl -D /var/lib/pgsql/data status" command
> shows the -i flag was passed in.
> * I have the right driver in the classpath (I pass in -classpath
> /usr/share/pgsql/pgjdbc2.jar when compiling and running; for some
> reason, copying the jar to /jre/lib/ext doesn't work with any jars
> for me).
> * I added the lines "host all 127.0.0.1 255.255.255.255 trust" and
> "host all 192.168.0.0 255.255.0.0 trust" to
> /var/lib/pgsql/data/pg_hba.conf
> * I created a new database, "webdb"
> * I added the user "xxx" with the password "yyy" to the database, and
> verified by logging into psql with -U xxx (had pg_hba.conf set to
> password so was challenged and succeeded)
>
> With all of this, my java program has these lines:
>
> Connection dbConnection = null;
> try{
> Class.forName("org.postgresql.Driver");
> dbConnection = DriverManager.getConnection("jdbc:postgresql:webdb",
> "xxx", "yyy");
> }
>
> I get the error "java.sql.SQLException: Driver not found for URL:
> jdbc:postgresql:webdb". (Note it's finding the driver with the
> forName() method call).
>
> I've tried using jdbc:postgresql://localhost/webdb.
>
> I have, of course, restarted the box several times.
>
> Any pointers you have would be extremely gratefully received.
>
Hello Dennis,
jdbc:postgresql:webdb is not good URL
If you database webdb and server localhost then second URL is good
and problem is in TCP connection - what is your port ?

regards
Haris Peco