Usage: jdb where options include: -help print out this message and exit -sourcepath directories in which to look for source files -attach
attach to a running VM at the specified address using standard connector -listen
wait for a running VM to connect at the specified address using standard connector -listenany wait for a running VM to connect at any available address using standard connector -launch launch VM immediately instead of waiting for 'run' command -connect :=,... connect to target VM using named connector with listed argument values -dbgtrace [flags] print info for debugging jdb -thotspot run the application in the Hotspot(tm) Performance Engine -tclassic run the application in the Classic VM options forwarded to debuggee process: -v -verbose[:class|gc|jni] turn on verbose mode -D= set a system property -classpath list directories in which to look for classes -X