There are many methods of debugging as you can see sprinkled through these comments: Using the interactive debugger Reading log files and adding more logging/t

There are many methods of debugging as you can see sprinkled through these comments: Using the interactive debugger Reading log files and adding more logging/trace. Writing unit tests Making some sort of test program or script to exercise the problem area so it's easier to reproduce the problem. Depending on your environment, tools and problem, different combinations of the above will make more sense.