} else {
FileSystem fs = FileSystem.get(conf);
Token<?> token = fs.getDelegationToken(ugi.getShortUserName());
Credentials cred = new Credentials();
cred.addToken(token.getService(), token);
cred.writeTokenStorageFile(tokenFile, conf);
if(LOG.isDebugEnabled()) {
LOG.debug("Fetched token for " + fs.getUri() + " into " +
tokenFile);
}
}