// create an empty credential
Credentials ts = new Credentials();
// create tokens and add into credential
Text userText1 = new Text("user1");
RMDelegationTokenIdentifier dtId1 =
new RMDelegationTokenIdentifier(userText1, new Text("renewer1"),
userText1);
Token<RMDelegationTokenIdentifier> token1 =
new Token<RMDelegationTokenIdentifier>(dtId1,
rm1.getRMDTSecretManager());
SecurityUtil.setTokenService(token1, rmAddr);
ts.addToken(userText1, token1);
tokenSet.add(token1);
Text userText2 = new Text("user2");
RMDelegationTokenIdentifier dtId2 =
new RMDelegationTokenIdentifier(userText2, new Text("renewer2"),
userText2);
Token<RMDelegationTokenIdentifier> token2 =
new Token<RMDelegationTokenIdentifier>(dtId2,
rm1.getRMDTSecretManager());
SecurityUtil.setTokenService(token2, rmAddr);