protected void putApproveListToRequest(TravelApplication ta, HttpServletRequest request) {
   TravelApplicationApproveRequestManager tm =
       ServiceLocator.getTravelApplicationApproveRequestManager(request);
   List approveList =
       tm.getTravelApplicationApproveRequestListByApproveRequestId(ta.getApproveRequestId());
   request.setAttribute("X_APPROVELIST", approveList);
 }