One simple approach create war or ear file and deply via eclipse or NWDS to PI. This should work. You might also want to see this discussion thread
https://scn.sap.com/thread/1464237 & SAP Note 696084:
One simple approach create war or ear file and deply via eclipse or NWDS to PI. This should work. You might also want to see this discussion thread
https://scn.sap.com/thread/1464237 & SAP Note 696084: