Set<Class<?>> protocolsWithAcls = NameNodeAdapter.getRpcServer(dfs.getNameNode()) .getServiceAuthorizationManager().getProtocolsWithAcls(); Service[] hdfsServices = new HDFSPolicyProvider().getServices(); protocolsWithAcls = NameNodeAdapter.getRpcServer(dfs.getNameNode()) .getServiceAuthorizationManager().getProtocolsWithAcls(); hdfsServices = new HDFSPolicyProvider().getServices();