How to use

shutdown

method

in

org.quartz.simpl.SimpleThreadPool$WorkerThread

while(workerThreads.hasNext()) {
  WorkerThread wt = workerThreads.next();
  wt.shutdown();
  availWorkers.remove(wt);

while(workerThreads.hasNext()) {
  WorkerThread wt = workerThreads.next();
  wt.shutdown();
  availWorkers.remove(wt);

while(workerThreads.hasNext()) {
  WorkerThread wt = (WorkerThread) workerThreads.next();
  wt.shutdown();
  availWorkers.remove(wt);

while(workerThreads.hasNext()) {
  WorkerThread wt = (WorkerThread) workerThreads.next();
  wt.shutdown();
  availWorkers.remove(wt);