How to disable log4j logging from Java code

Question

I use a legacy library that writes logs using log4j. My default log4j.properties file directs the log to the console, but in some specific functions of my main program, I would

Answer 1

For newer log4j versions, you may consider to call:

LogManager.shutdown();

Instead of:

Logger.shutdown();

which is deprecated. But it still makes the same thing:

Calling this method will safely close and remove all appenders in all the categories including root contained in the default hierachy.

Answer 2

In the version 1.8 of java.util.logging.Logger the correctly form is:

Logger.getLogger("").setLevel(Level.OFF);