Re: java.sql.SQLException: No suitable driver

From: Oliver Jowett <oliver(at)opencloud(dot)com>
To: "Mads N(dot) Vestergaard" <mnv(at)timmy(dot)dk>
Cc: pgsql-jdbc(at)postgresql(dot)org
Subject: Re: java.sql.SQLException: No suitable driver
Date: 2006-04-28 10:24:57
Message-ID: 4451ED79.6020000@opencloud.com
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Mads N. Vestergaard wrote:
> Hi Aliver,
>
> there isn't any conditional files in the environment variable CLASSPATH,
> and the program runs fine, it just can't connect to the database.

I am talking about both the CLASSPATH environment variable and the -cp
command line argument. In my experience, if you specify -jar, both are
ignored and classes are only loaded from the standard locations, and the
single jarfile parameter given to -jar ("program.jar" in your case).

Have you tried the command line I suggested?

>> java -cp /usr/share/java/pg74.216.jdbc3.jar:program.jar ProgramMainClass

Please try this and let us know if it works.

I would also suggest that silently ignoring ClassNotFoundException, as
the code you originally posted does, is a Really Bad Idea. That code is
masking the real source of the error: namely, that the driver classes
are *not* in your classpath.

-O

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