@Override
  public ForkJoinWorkerThread newThread(ForkJoinPool pool) {
    final int n = setNextBit();
    //System.out.println("New  FJP thread "+n);
    ForkJoinWorkerThread thread = new ForkJoinWorkerThread(pool) {
      @Override
      protected void onTermination(Throwable exception) {
        //System.out.println("Exit FJP thread "+n);
        clearBit(n);
        super.onTermination(exception);
      }
    };
    thread.setName("JobScheduler FJ pool " + n + "/" + pool.getParallelism());
    return thread;
  }
@Override
  public ForkJoinWorkerThread newThread(ForkJoinPool pool)