This problem is not limited to network management but ... to managing hanging threads: performance and notification. For the notification aspect we can tailor the Java Observer pattern to fit ...

That said, class loading isn’t the epic brain-teaser that (say) portable runtime memory management is, so the techniques are comparatively simple. Every Java virtual machine includes a class loader.

It shows the stack trace of each thread, the locks they have obtained, locks on which they are waiting, their priority, current java memory utilization by each space… In nutshell it’s a vital artifact ...