@Override
  public ServiceComponent addServiceComponent(String serviceComponentName)
      throws AmbariException {
    ServiceComponent component = serviceComponentFactory.createNew(this, serviceComponentName);
    addServiceComponent(component);
    return component;
  }
Refresh Service info due to current stack
@throws AmbariException
ambari-server/src/main/java/org/apache/ambari/server/state/ServiceImpl.java