Eclipse debugging “source not found”

Question

I just started using Eclipse so go easy on me ;). But when trying to debug a JUnit test case I get a dialog that states the the source is not found when I get to this line i

Answer 1

I had a similar problem with another jar, even when I pointed to the source it would ask for it again. I was able to solve it by compiling the jar with debug="on" on ANT.