Received: from candle.pha.pa.us (candle.navpoint.com [162.33.245.46]) by mail.postgresql.org (8.11.1/8.11.1) with ESMTP id f0N4pf008382 for ; Mon, 22 Jan 2001 23:51:41 -0500 (EST) (envelope-from pgman@candle.pha.pa.us) Received: (from pgman@localhost) by candle.pha.pa.us (8.9.0/8.9.0) id XAA07298; Mon, 22 Jan 2001 23:51:30 -0500 (EST) From: Bruce Momjian Message-Id: <200101230451.XAA07298@candle.pha.pa.us> Subject: Re: Error in Programmer's Guide: JDBC In-Reply-To: "from Jeff Duffy at Jan 22, 2001 11:44:21 pm" To: Jeff Duffy Date: Mon, 22 Jan 2001 23:51:30 -0500 (EST) CC: pgsql-docs@postgresql.org X-Mailer: ELM [version 2.4ME+ PL77 (25)] MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset=US-ASCII X-Archive-Number: 200101/76 X-Sequence-Number: 211 You should see the current development docs have this fixed. Sorry we didn't go back and fix 7.0 docs. > Greetings, > > In the release version of the Programmer's Guide, the chapter on JDBC > (I used the one at > http://www.postgresql.org/users-lounge/docs/7.0/programmer/jdbc6424.htm > ) > has an example of using the class loader to load the Postgres JDBC > driver that uses the incorrect driver class name: > > Class.forName("postgresql.Driver"); > > This same error is repeated in the example for loading the driver using > the command line switch: > > % java -Djdbc.drivers=postgresql.Driver example.ImageViewer > > The correct driver class (at least in the latest release with the filename > jdbc7.0-1.2.jar, obtained from Peter Mount's site at > http://www.retep.org.uk/postgres/download.html) should be > org.postgresql.Driver, thus changing the docs to read > > Class.forName("org.postgresql.Driver"); > > and > > % java -Djdbc.drivers=org.postgresql.Driver example.ImageViewer > > Following the docs will cause the code to throw an exception with the > message "java.lang.NoClassDefFoundError: postgresql.Driver". > > In the future, should we submit SGML diffs? > > Jeff > > > -- Bruce Momjian | http://candle.pha.pa.us pgman@candle.pha.pa.us | (610) 853-3000 + If your life is a hard drive, | 830 Blythe Avenue + Christ can be your backup. | Drexel Hill, Pennsylvania 19026