ApplicationId appId = ApplicationId.newInstance(0, 0);
ApplicationAttemptId appAttemptId =
ApplicationAttemptId.newInstance(appId, 1);
UserGroupInformation ugi =
UserGroupInformation.createRemoteUser(appAttemptId.toString());
ugi.addTokenIdentifier(new NMTokenIdentifier(appAttemptId, getContext()
.getNodeId(), "testuser", getContext().getNMTokenSecretManager().getCurrentKey()
.getKeyId()));
return ugi;
}