JobConf jConf = new JobConf(conf);
conf.set(CommonConfigurationKeys.HADOOP_SECURITY_SERVICE_USER_NAME_KEY,
jConf.get(JobTracker.JT_USER_NAME, ""));
// Create the client
RefreshAuthorizationPolicyProtocol refreshProtocol =
(RefreshAuthorizationPolicyProtocol)
RPC.getProxy(RefreshAuthorizationPolicyProtocol.class,
RefreshAuthorizationPolicyProtocol.versionID,
JobTracker.getAddress(conf), getUGI(conf), conf,
NetUtils.getSocketFactory(conf,
RefreshAuthorizationPolicyProtocol.class));
// Refresh the authorization policy in-effect
refreshProtocol.refreshServiceAcl();
return 0;
}