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.
Artifacts using log4j-core version 2.16.0 (1,165)
The Apache Log4j SLF4J API binding to Log4j 2 Core
Last Release on Jul 7, 2026
Relocated → org.apache.logging.log4j »
log4j-slf4j2-impl
Hibernate's Jakarta Validation reference implementation.
Last Release on Jul 7, 2026
The Apache Log4j 1.x Compatibility API
Last Release on Jul 7, 2026
Logging macros which delegate to a specific logging implementation, selected at runtime when the clojure.tools.logging namespace is first loaded.
Last Release on Dec 30, 2025
The Apache Log4j Commons Logging Adapter
Last Release on Jul 7, 2026
The Apache Log4j support for web servlet containers
Last Release on Jul 7, 2026
The core Java API for building stream processing applications with Apache Flink.
Last Release on Jun 20, 2026
Hive Query Language
Last Release on Nov 23, 2025
A `java.util.logging` Handler that forwards events to the Log4j API.
Last Release on Jul 7, 2026
10.Flink : Core687 usages
org.apache.flink » flink-core Apache
Flink : Core
Last Release on Jun 20, 2026