David, Here's an example application that has a CounterServlet that counts hits for example... Here are the classes that I used
- CounterServlet - just counts number of hits, calls MyCounter.incrementAndGet() static method - MyCounter - class that implements the counter (static calls to reset counter, get current count, etc...) - CounterMBean - interface for the MBean I am registering ... all methods getXxxxxx() will get translated into attribute "xxxxx", all methods setXxxxxx() will translate into writable attribute "xxxxxx" - Counter - implements CounterMBean interface (naming is important here Counter class and CounterMBean interface ... i.e. Xxxx class and XxxxMBean interface) - RegisterMBeansListener - @WebListener that implements ServletContextListener and registers/unregisters the mbean upon deployment/undeployment That's it.... I will attach the WAR file, so you can just deploy it and call the MBean from jconsole/jvisualvm. I registered: JmxExample:type=Counter ... operations are resetCounter() and resetCounter(int), attributes are currentTimeMilis, currentTime, currentCount If the WAR didn't make it to the mailing list, contact me directly and I will attach it. Have fun with JMX :))
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