I see the problem. Your error shows that cannot create target element /ns0:MT_SENDER_RES. But your target structure should be ns0:MT_RECEIVER_REQ_response . Your message structure screenshot also shows the same though your structure given above is correct.
Also use this link for your needs
http://scn.sap.com/people/siva.maranani/blog/2005/05/21/jdbc-stored-procedures
