import org.apache.hadoop.security.UserGroupInformation;

HiveEndPoint hiveEP2 = ... ;
UserGroupInformation ugi = .. authenticateWithKerberos(principal,keytab);
StreamingConnection secureConn = hiveEP2.newConnection(true, null, ugi);

DelimitedInputWriter writer3 = new DelimitedInputWriter(fieldNames, ",", hiveEP2);

TransactionBatch txnBatch3= secureConn.fetchTransactionBatch(10, writer3);

///// Batch 1 - First TXN – over secure connection
txnBatch3.beginNextTransaction();
txnBatch3.write("28,Eric Baldeschwieler".getBytes());
txnBatch3.write("29,Ari Zilka".getBytes());
txnBatch3.commit();

txnBatch3.close();
secureConn.close();