log4j » log4j - Maven Repository

https://mvnrepository.com/artifact/log4j/log4j

Apache Log4j 1.2. License, Apache 2.0. Categories, Logging Frameworks. Tags, logging. Used By, 17,570 artifacts ... org.apache.logging.log4j » log4j-core ...

apache/logging-log4j2: Apache Log4j 2 is an upgrade to ... - GitHub

https://github.com/apache/logging-log4j2

x, and provides many of the improvements available in Logback while fixing some inherent problems in Logback's architecture. logging.apache.org/log4j/2.x/ ...

Log4j - Wikipedia

https://en.wikipedia.org/wiki/Log4j

Apache Log4j is a Java-based logging utility originally written by Ceki Gülcü. It is part of the Apache Logging Services, a project of the Apache Software ...

org.apache.log4j (Apache Log4j 1.2.17 API)

https://logging.apache.org/log4j/1.2/apidocs/org/apache/log4j/package-summary.html

Package org.apache.log4j. The main log4j package. See: Description. Interface Summary. Appender, Implement this interface for your ...