I am new to JBPM, I cant figure out how jsps are associated with a particular node in process definition from Generate form option on a task node it generates a html like form but how to link the form with inside implementation. can any one plz help me out
The reason you can't find any info on that is because they aren't. You have to write your own taskcontroler or separate web frontend if you want that functionality. (all assuming you use 3.1.x)