Using RHQ (JON) to monitor Java apps
While there is not yet a RHQ plugin for Glassfish, it is already possible to monitor an instance of Glassfish (GF), using the existing JMX Server resource template. Let's see how this unfolds... Set up Foreword: While not difficult, setting this up on a laptop requires running a LOT of Java processes, on top of a database. As the latter needs to be a somewhat older version of PostgreSQL (8.4), you might even end up running it on VM using...