public Collection<String> allUnsupported(Cluster cluster, String stackName, String stackVersion) throws AmbariException {
    return union(
      unsupportedServices(cluster, stackName, stackVersion),
      names(unsupportedComponents(cluster, stackName, stackVersion)));
  }
@return the union of unsupported components and services
ambari-server/src/main/java/org/apache/ambari/server/state/ServiceComponentSupport.java