Error is in the way how u retrieve the data in jsp it should be like this

nm1 = (String)request.getAttribute("playerName1");
nm2 = (String)request.getAttribute("playerName2");
ret = (String)request.getAttribute"returnval");
owner = (String)request.getAttribute("PageOwner");
msg = (String)request.getAttribute("message");

cast it according to the data type sent

tippu