log4j
Legacy version of Log4J logging framework. Log4J 1 has reached its end of life and is no longer officially supported. It is recommended to migrate to Log4J 2.
Last Release on May 26, 2012
Relocated → org.apache.logging.log4j »
log4j-core
SLF4J LOG4J-12 relocated to slf4j-reload4j
Last Release on Feb 25, 2025
Relocated → org.slf4j »
slf4j-reload4j
Implementation for Apache Log4J, a highly configurable logging tool that focuses on performance and low garbage generation. It has a plugin architecture that makes it extensible and supports asynchronous logging based on LMAX Disruptor.
Last Release on Sep 18, 2025
API for Apache Log4J, a highly configurable logging tool that focuses on performance and low garbage generation. It has a plugin architecture that makes it extensible and supports asynchronous logging based on LMAX Disruptor.
Last Release on Sep 18, 2025
The Apache Log4j SLF4J API binding to Log4j 2 Core
Last Release on Sep 22, 2025
Relocated → org.apache.logging.log4j »
log4j-slf4j2-impl
Log4j implemented over SLF4J
Last Release on Feb 25, 2025
The Apache Log4j 1.x Compatibility API
Last Release on Sep 22, 2025
The Apache Log4j SLF4J 2.0 API binding to Log4j 2 Core
Last Release on Sep 18, 2025
The Apache Log4j Commons Logging Adapter
Last Release on Sep 18, 2025
The Apache Log4j support for web servlet containers
Last Release on Sep 18, 2025