/** * Refresh the authorization policy on the {@link NameNodeFBT}. * * @return exitcode 0 on success, non-zero on failure * @throws IOException */ public int refreshServiceAcl() throws IOException { // Get the current configuration Configuration conf = getConf(); // Create the client RefreshAuthorizationPolicyProtocol refreshProtocol = (RefreshAuthorizationPolicyProtocol) RPC.getProxy( RefreshAuthorizationPolicyProtocol.class, RefreshAuthorizationPolicyProtocol.versionID, NameNode.getAddress(conf), getUGI(conf), conf, NetUtils.getSocketFactory(conf, RefreshAuthorizationPolicyProtocol.class)); // Refresh the authorization policy in-effect refreshProtocol.refreshServiceAcl(); return 0; }