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Stable release
3.0.2 / October 12, 2006 (2006-10-12)
Written in Java
Operating system Cross-platform (JVM)
Type JMX Library
License Apache License 2.0
JMX architecture.

MX4J is a project to create an open source implementation of Java Management Extensions (JMX). The JMX specification is a Java Specification Request (see JSR 003[1]) currently in maintenance release 1.2; the new JSR 160[2] has been issued to address connectivity to a remote JMX agent. MX4J implements both JSR 3 and JSR 160.

The MX4J project goals can be simplified as:

  • Closely adhere to the JMX specification.
  • Develop a highly robust codebase.
  • Be 100% compatible with the reference implementations.

Due to its simplicity, MX4J is widely adopted in open source projects like Jetty Server, Tomcat, Geronimo, Harmony, ObjectWeb JOnAS and many others.


  1. ^ JSR 003: JavaTM Management Extensions (JMXTM) Specification
  2. ^ JSR 160: JavaTM Management Extensions (JMX) Remote API

External links[edit]