How do I set log4j level on the command line?

Question

I want to add some log.debug statements to a class I\'m working on, and I\'d like to see that in output when running the test. I\'d like to override the log4j properties on

Answer 1

These answers actually dissuaded me from trying the simplest possible thing! Simply specify a threshold for an appender (say, "console") in your log4j.configuration like so:

log4j.appender.console.threshold=${my.logging.threshold}

Then, on the command line, include the system property -Dlog4j.info -Dmy.logging.threshold=INFO. I assume that any other property can be parameterized in this way, but this is the easiest way to raise or lower the logging level globally.