Debugging TestNG configuration failures

Question

I'm running testng from ant. I'm using my own test listeners. I'm refactoring the code and once a while I got

[testng] Total tests run: 7, Failures: 0, Skips: 7
[testng] Configuration Failures: 1, Skips: 2

What will be the best approach to fix configuration failures?

Answer 1

The best way seemed to me to check what has changed (get the information from your version control) and see if it's ok the changes you made...which obviously is not the case.

Answer 2

The HTML reports will tell you which configuration methods failed.