How to enable Logger.debug() in Log4j

Question

While trying to execute the following lines only the last two statements are displayed(\"Here is some ERROR\" and \"Here is some FATAL\") and the first three statements are

Answer 1

If you are coming here because you are using Apache commons logging with log4j and log4j isn't working as you expect then check that you actually have a log4j.jar in your run-time classpath. That one had me puzzled for a little while. I have now configured the runner in my dev environment to include -Dlog4j.debug in the Java command line so I can always see that Log4j is being initialized correctly