ejb3/src/main/java/org/jboss/as/ejb3/timerservice/TimerServiceImpl.java
@Override
    public Timer createTimer(Date initialExpiration, long intervalDuration, Serializable info)
            throws IllegalArgumentException, IllegalStateException, EJBException {
        assertTimerServiceState();
        if (initialExpiration == null) {
            throw EJB3_TIMER_LOGGER.initialExpirationDateIsNull();
        }
        if (initialExpiration.getTime() < 0) {
            throw EJB3_TIMER_LOGGER.invalidExpirationTimer();
        }
        if (intervalDuration < 0) {
            throw EJB3_TIMER_LOGGER.invalidIntervalDurationTimer();
        }
        return this.createTimer(initialExpiration, intervalDuration, info, true);
    }
@Override
    public Timer createTimer(Date initialExpiration, long intervalDuration, Serializable info)
            throws IllegalArgumentException, IllegalStateException, EJBException {
        assertTimerServiceState();
        if (initialExpiration == null) {
            throw EJB3_TIMER_LOGGER.initialExpirationDateIsNull();
        }
        if (initialExpiration.getTime() < 0) {
            throw EJB3_TIMER_LOGGER.invalidExpirationTimer();
        }
        if (intervalDuration < 0) {
            throw EJB3_TIMER_LOGGER.invalidIntervalDurationTimer();
        }
        return this.createTimer(initialExpiration, intervalDuration, info, true);
    }
{@inheritDoc}