Eclipse java debugging: source not found

Question

While debugging a java app in eclipse I receive a \"Source not found\" error in two cases:

• Stepping in to a file in a different project which

Answer 1

Attach source -> Add -> External Archive -> select the jar -> open -> done

the catch is look for the sources jar and attach this jar.

for example the jar ends with "-sources" Stax2-api-3.4.1-sources