something about logback

  • level rule level rule: TRACE < DEBUG < INFO < WARN < ERROR If level is INFO, only show message of INFO/WARN/ERROR.

  • Assigned level VS Effective level to show the level info:

ch.qos.logback.classic.Logger logbackLogger = (ch.qos.logback.classic.Logger) logger;
System.out.println(logger.getName());
System.out.println(logbackLogger.getLevel());
System.out.println(logbackLogger.getEffectiveLevel());
  • a reference to the exact same logger object
Logger x = LoggerFactory.getLogger("wombat");
Logger y = LoggerFactory.getLogger("wombat");

2018/11/30