// associating the request with the originating HttpServletRequest.
SetRequest request = new SetRequest(setRequest, getThreadLocalRequest());
SetResponse response = null;
if (request.isTrackingEnabled())
logger.trace("Received by DMP servlet:\n" + request.toOIF());
if (request.getModifyIsEmpty()){
// There aren't any modifications in the request - that's an error
response = (SetResponse) request.getErrorResponse();
response.setResponseText("No modifications were found in the SetRequest");