Tomcat JMX Support
- Tomcat 4.x through 5.0.x support JMX 1.1 through the use of the MX4J third party JMX implementation (it must be configured)
- Tomcat 5.5.x+ supports JMX 1.2 through its dependence on JDK 5.0.
Resources
Remotely monitor Tomcat clusters using MC4J
(JavaWorld)