import javax.annotation.Resource; import javax.transaction.UserTransaction; ... @Resource private UserTransaction utx; public void doTransaction() { // Start a new transaction utx.begin(); try { // Perform transactional operations here // Commit the transaction utx.commit(); } catch (Exception e) { // Handle exception and rollback the transaction utx.rollback(); } } import javax.annotation.Resource; import javax.transaction.UserTransaction; import javax.ejb.TransactionAttribute; import javax.ejb.TransactionAttributeType; ... @Resource private UserTransaction utx; @TransactionAttribute(TransactionAttributeType.REQUIRED) public void doTransaction() { // Transactional operation here }