I'm having a hard time working out how I should be installing the JDBC driver for PostgreSQL on my debian 6.0 server. I have moved the driver .jar into the following directory:
It is best to install your PostgreSQL driver into tomcat\lib folder. Just copy the driver jar to PATH_TO_TOMCAT\lib
It is not a good idea to add things to the system CLASSPATH because you can end in class loader hell. Here is an example of how you end up in jar / classpath hell.