You can manually download all published Log4j distributions, verify them, and see their licensing information by following the instructions in the Download page of Logging Services.

Apache Log4j is a versatile, industrial-grade Java logging framework composed of an API, its implementation, and components to assist the deployment for various use cases.

GraalVM Reachability Metadata Log4j Core and all extension modules now include embedded GraalVM reachability metadata, enabling seamless generation of native images with GraalVM …

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 …

Logging implementation A logging implementation is only required at runtime and can be changed without the need to recompile your software. Log4j Core, JUL (Java Logging), Logback are the …

What is Log4j composed of? Log4j is essentially composed of a logging API called Log4j API, and its reference implementation called Log4j Core. Log4j also bundles several logging bridges to …

Apache Log4j 2 is distributed under the Apache License, version 2.0. The link in the Mirrors column should display a list of available mirrors with a default selection based on your inferred …

Log4j can be configured to poll for changes to resources (in addition to the configuration file) using the MonitorResources element of the configuration. If a change is detected in any of the …

It is the logging system used by Log4j for reporting status of its internals. Users can use the status logger to either emit logs in their custom Log4j components, or troubleshoot a Log4j …

The table below contains links to the Javadoc API Documentation for the components you are most likely to use directly in code.