com.ibm.tx.jta.lookupClassName=org.apache.geronimo.transaction.manager.GeronimoTransactionManager com.ibm.tx.jta.TransactionManager=org.apache.geronimo.transaction.manager.GeronimoTransactionManager com.ibm.tx.jta.UserTransaction=org.apache.geronimo.transaction.manager.GeronimoUserTransaction import javax.transaction.UserTransaction; public class TransactionExample { public static void main(String[] args) { try { javax.naming.Context ctx = new javax.naming.InitialContext(); UserTransaction ut = (UserTransaction) ctx.lookup("java:comp/UserTransaction"); ut.begin(); ut.commit(); } catch (Exception e) { e.printStackTrace(); } } }