code: final void startActiveTimeoutMonitor(final ScheduledExecutorService inactiveMonitorService) {
        inactiveMonitorService.scheduleWithFixedDelay(new ActiveTimeoutMonitor(),
                activeTimeoutMonitorFrequencySeconds, activeTimeoutMonitorFrequencySeconds, TimeUnit.SECONDS);
     }
docs: Starts the active (too long) timeout monitor.
  @param inactiveMonitorService The service.