code: @Override
      public TimerService getTimerService() throws IllegalStateException {
          IllegalStateException ise;
  
          // Not an allowed method for Stateful beans per EJB Specification.
          ise = new IllegalStateException("StatefulBean: getTimerService not " +
                                          "allowed from Stateful Session Bean");
          if (TraceComponent.isAnyTracingEnabled() && tc.isDebugEnabled())
              Tr.debug(tc, "getTimerService: " + ise);
  
          throw ise;
      }
docs: LI2281.07