grails IDE jdb , JDK. IDE, , gdb Unix.
grails -debug grails.
Listening for transport dt_socket at address: 5005
jdb :
jdb -attach localhost:5005
main[1]. . :
main[1] stop in mypackage.MyController.action()
Deferring breakpoint mypackage.MyController.action().
It will be set after the class is loaded.
main[1] run
, step next cont.