title: Eclipse : How can we put Break points inside jar file?
body: <p>We are using Eclipse Helios as our IDE .
  We have a class in form of a jar file .</p>
  
  <p>Our code will pass throught that class file ,due to some reason we are getting NullPOinteException ,</p>
  
  <p>can we put break points in that Jar file ??</p>