Re: Using the JDBC Driver in version 7.02

From: "Peter Mount" <peter(at)retep(dot)org(dot)uk>
To: "Joseph Shraibman" <jks(at)selectacast(dot)net>, "Justin Jaynes" <justinjaynes(at)hotmail(dot)com>
Cc: <pgsql-general(at)postgresql(dot)org>
Subject: Re: Using the JDBC Driver in version 7.02
Date: 2000-07-10 23:05:29
Message-ID: 03f601bfeac3$59762320$152329d4@retep.org.uk
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----- Original Message -----
From: Joseph Shraibman <jks(at)selectacast(dot)net>
To: Justin Jaynes <justinjaynes(at)hotmail(dot)com>
Cc: <pgsql-general(at)postgresql(dot)org>
Sent: Monday, July 10, 2000 9:57 PM
Subject: Re: [GENERAL] Using the JDBC Driver in version 7.02

> You have to format your url properly so the java runtime can figure out
> what driver to use for the connection.
>
> Justin Jaynes wrote:
> >
> > Hello. I am using Postgres 7.02 on my redhat linux box. I have
installed
> > the JDK and a JSP engine.
> >
> > I have also copied the JDBC level 4 Drivers that came with postgresql
7.02
> > onto my hard drive.
> >
> > When I try to interface with it in java, even after loading the driver
with
> > the line:
> >
> > Class.forName("org.postgresql.Driver");
> >
> > I get an error that the DriverManager cannot find a suitable driver.
> >
> > The code I use to connect goes as follows:
> >
> > Connection chamber = DriverManager.getConnection("localhost:5432");

This isn't a valid JDBC URL. You'll need something like:

jdbc:postgresql:database <= Use when on local host
jdbc:postgresql://server/database <= Use when on remote host

> >
> > I also tried it as:
> >
> > Connection chamber =
> > DriverManager.getConnection("localhost:5432","username","password");
> >
> > and still no luck.
> >
> > Can anyone help with this problem?
> >
> > I have two suspicions: First, that I am not pointing to the right class
in
> > the jar file. Driver.class might be the wrong file to start with.
Second,

That is the correct one (other than when using data sources)

> > maybe my server is not taking requests properly, so Java says "hey, this
> > driver is not working." when it's not the drivers fault, but the servers
> > fault.
> >
> > Just so you know, I set up my server to trust all localhost connections.
> > ________________________________________________________________________
> > Get Your Private, Free E-mail from MSN Hotmail at http://www.hotmail.com

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