I'm writing my first "Eclipse Plug-in Project" (on Eclipse 3.4, such a project is created through File->New->Project->Plugin Project). In my case, it's an OSGi bundle. My question is: my "Eclipse Plugin Project" needs to use(import) some utility code from an old standard Java project (created through File->New->Project->Java Project). Now, I know I could manually package the "Standard Java" project into a jar, and add the jar to the "Plugin Project"... but can I get Eclipse to do it for me, instead? I tried defining a project dependency in eclipse (through project Properties->java build path->Projects), but it acts weird: the code complies, but crashes when I run it, complaining it can't find the class.