How to change root logging level programmatically for logback

Question

I have the following logback.xml file:

Answer 1

Try this:

import org.slf4j.LoggerFactory;
import ch.qos.logback.classic.Level;
import ch.qos.logback.classic.Logger;

Logger root = (Logger)LoggerFactory.getLogger(Logger.ROOT_LOGGER_NAME);
root.setLevel(Level.INFO);

Note that you can also tell logback to periodically scan your config file like this:

 
  ...