The JMX Console. You should see something similar to Figure 1. They can provide a lot of information about the running server and allow you to modify its configuration, start and stop components and so on. Now find the operation called list near the bottom of the MBean view page and click the invoke button. Look at some of the other MBeans and their listed operations; try changing some of the configuration attributes and see what happens. With a very few exceptions, none of the changes made through the console are persistent.
What is the best or most commonly used JMX Console / Client - Stack Overflow
These provide an interface that allows viewing of information such as CPU usage, memory usage, threads active and more. This blog post gives an example of how to retrieve such information programmatically. This link shows how to do this. As an example, we shall be retrieving CPU and memory usage from a standalone Mule instance. Through this, one may set the address that a JMX client can use to retrieve information; this is how.
You have to provide an username and password to access the JMX layer. Default is By default it uses the karaf realm. Whenever a JMX operation is invoked, the roles of the user are checked against the required roles for this operation. The relevant configuration is prefixed with jmx.
Want to write better code? Check out our free transaction tracing tool, Prefix! Trough the API, you can monitor your resources in real-time, which is why most production-grade Java tools out there expose metrics data over JMX. To start managing resources, the application needs to implement and expose MBeans — which can be managed with the help of a JMX Agent. You can get insight into your application with very little effort, which is an important aspect of the tool.