if (appCtxt != null) {
// Concurrently make the auto-scaling decisions
Callable<Boolean> worker =
new AutoscaleDeciderCallable(serviceDomain, serviceSubDomain, autoscalerService, appCtxt);
Future<Boolean> autoscalerDeciderCheck = executor.submit(worker);
jobList.add(autoscalerDeciderCheck);
} else {
log.error(msg + " and sub domain " + serviceSubDomain + " combination.");