by shigemk2

当面は技術的なことしか書かない

log4j 2

log4j 2

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.

Javaのロギングユーテリティ

https://logging.apache.org/log4j/2.x/