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Error in Programmer's Guide: JDBC

From: Jeff Duffy <jduffy(at)greatbridge(dot)com>
To: pgsql-docs(at)postgresql(dot)org
Subject: Error in Programmer's Guide: JDBC
Date: 2001-01-23 04:44:21
Message-ID: Pine.LNX.4.21.0101222343240.13711-100000@cairhien.alanne.com (view raw or flat)
Thread:
Lists: pgsql-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



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