throws ServletException, IOException {
try {
if(locker!=null){
Field zeusScheduleField=locker.getClass().getDeclaredField("zeusSchedule");
zeusScheduleField.setAccessible(true);
ZeusSchedule zeusSchedule=(ZeusSchedule) zeusScheduleField.get(locker);
if(zeusSchedule!=null){
Field masterContextField=zeusSchedule.getClass().getDeclaredField("context");
masterContextField.setAccessible(true);
MasterContext context=(MasterContext)masterContextField.get(zeusSchedule);
if(context!=null){
String op=req.getParameter("op");
if("workers".equals(op)){