“Unknown Source” in java stack trace, yet line numbers are in the class file

Question

I\'ve written a super simple java class that is throwing exceptions as it should. However the stack trace I\'m getting looks like this:

java.lang.RuntimeExc         


        

Answer 1

Found this answer on another question:

This is normally related to missing debug information. You are probably using JRE (not JDK), which does not include debug information for rt.jar classes. Try using full JDK, you'll get proper locations in the stack trace