Can you please provide the steps to identify the AMQ JVM hung state through JON ?

Issue

• AMQ JVM process went to hung state but any of the tool (JON , Scripts) unable to identify the hung state. Can you please provide the steps to identify the AMQ JVM hung state through JON.
• Produstion AMQ server tparhelmpp083 went into hung state, AMQ process was running , journal space was 1% utilized, free memory is is following.

Server Name Free Buffers/Cache in MB    Used Buffers/Cache in MB    Free Memory in MB   Used Memory in MB
testServer              26736                                      5365                                 22284                    9818