Log4j2 Manual

Apache Log4j 2 is an upgrade to Log4j that provides significant improvements over its predecessor, Log4j 1.x, and provides many of the improvements available in Logback while fixing some inherent problems in Logback’s architecture.

Code	log4j2
URL	http://logging.apache.org/log4j/2.x/
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Last Updated	May 20, 2021