EJB 2 and J2EE Packaging

I definitely don't want to loose this link, because I'll be surprised if I remember this trick next time I need to. Although Google got me there today, I've been missing more than I've been hitting with Google in the past month or so.

EJB 2 and J2EE Packaging

How does the extension mechanism work with EJB applications? A JAR file can reference a dependent JAR file by adding a Class-Path manifest attribute. The Class-Path manifest attribute lists the relative URLs to search for utility libraries. Multiple URLs can be specified in a single Class-Path entry and a single JAR file can contain multiple Class-Path entries. For example, a JAR file might have: Class-Path: log4j.jar xmlx.jar foo/bar/util.jar