code: public static ClusteringService startStandalone( String clusterName,
                                                       String jgroupsConfig ) {
          ClusteringService clusteringService = new StandaloneClusteringService(clusterName, jgroupsConfig);
          clusteringService.init();
          return clusteringService;
      }
docs: Starts a standalone clustering service which in turn will start & connect its own JGroup channel.
  
  @param clusterName the name of the cluster to which the JGroups channel should connect; may not be null
  @param jgroupsConfig either the path or the XML content of a JGroups configuration file; may not be null
  @return a {@link org.modeshape.jcr.clustering.ClusteringService} instance, never null