Monitoring Weblogic 9.2 with JMX and JRuby

After getting nowhere with lack luster HP support, I turned to the power of the Open Source community and got a very simple script up and running to remotely monitor Weblogic JVM Performance and JMS queues using JMX and JRuby.

Despite having some initial issues with the code, the author of the jmx4r module turned around [...]

Monitoring Weblogic using JMX in LoadRunner

When configuring the WebLogic (JMX) monitor (Add Measurements via the Run tab in Controller) you may be presented with the following error:

Java Virtual Machine Version mismatch: Required version: 1.3

To overcome this try the following steps …