public static String[] list() throws Exception
{
List<String> rtn=new ArrayList<String>();
StormClusterState stat=GetShards.getCluster();
List<String> list=stat.supervisors(null);
for(String supervisor:list)
{
SupervisorContainer container=new SupervisorContainer();
container.setName(supervisor);
SupervisorInfo info=stat.supervisor_info(supervisor);