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I am trying to implement a nagios plugin, and doing so requires that I know specifically what object and attribute I want to monitor. The thing is, I haven’t been able to find a listing anywhere of the standard system jmx objects and attributes. Can anyone point me in the right direction? I need to monitor things like memory pools, heap size, etc.
You can always use mBeanServer.queryNames(null, null); for getting to all MBeans registered at a certain MBeanServer (where
mBeanServeris theMBeanServerConnectionwhich you obtained either locally or remotely).However, before implementing your own Nagios Plugins, why not using an already exisiting one ? E.g. jmx4perl‘s
check_jmx4perlwhich comes with tools for exploring the JMX namespace (likejmx4perl <url> listfor listing all JMX MBeans with their attributes and operations orj4psha readline based JMX shell with context sensitive command line completion).