switch(Transaction.instance().getStatus()) {
    case Status.STATUS_COMMITTED:
        log.info("transaction committed");
    break;
    case Status.STATUS_ACTIVE:
        log.info("transaction active");
    break;
    case Status.STATUS_COMMITTING:
        log.info("transaction committing");
    break;
    case Status.STATUS_MARKED_ROLLBACK:
        log.info("transaction marked rollback");
    break;
    case Status.STATUS_NO_TRANSACTION:
        log.info("transaction no transaction");
    break;
    case Status.STATUS_PREPARED:
    log.info("transaction prepared");
        break;
    case Status.STATUS_PREPARING:
    log.info("transaction preparing");
    break;
    case Status.STATUS_ROLLEDBACK:
    log.info("transaction rolledback");
    break;
    case Status.STATUS_ROLLING_BACK:
        log.info("transaction rolling back");
    break;
    case Status.STATUS_UNKNOWN:
        log.info("transaction status unknown");
    break;
    default:
        log.error("transaction in other status: #0", Transaction.instance().getStatus());
    break;
}

Transaction.instance().begin();

if(!Transaction.instance().isActive()) {
    log.error("Transaction not active after Transaction.instance().begin()");
} else {
    log.info("Transaction is active after Transaction.instance().begin()");
}

try {
    Query q = entityManager.createNamedQuery("programProcessor.markTriplesForRoundById");
    q.setParameter("round", round);
    q.setParameter("tripleIds", ids);
    modified = q.executeUpdate();
    log.info("XXXXXXX setRound() transaction commit");
    Transaction.instance().commit();
} catch(IllegalStateException e) {
    log.info("XXXXXXX setRound() transaction rollback");
    Transaction.instance().rollback();
    e.printStackTrace();
} catch(TransactionRequiredException e) {
    log.info("XXXXXXX setRound() transaction rollback");
    Transaction.instance().rollback();
    e.printStackTrace();
}