JGroups Troubleshooting Techniques

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Verbose Logging

Suspend JVM Execution

A JVM running JGroups can be suspended from executing by sending the SIGSTOP signal into it:

kill -SIGSTOP <jvm-pid>

Execution can be later resumed by sending SIGCONT:

kill -SIGCONT <jvm-pid>

Also see SIGSTOP and SIGCONT.

Practical Ways to Determine the Current View