Generating Heap Dump In Linux/Jboss/Sun JVM

jmap -dump:live,file=<location to save the file>/<filename>.hprof <PID> jmap -F -dump:live,file=/home/heapdump/heapdump.hprof 2323   For 64 bit JVM (should take default but some times if you have multiple JAVA in the same box), use below option:-                                                                                                                    jmap -J-d64 -dump:live,file=<location to save the file>/<filename>.hprof <PID> NOTE: you have to run "jmap" from your <JAVA_HOME/bin>