ejb3/src/main/java/org/jboss/as/ejb3/timerservice/TimerServiceImpl.java
@Override
    public Timer createIntervalTimer(Date initialExpiration, long intervalDuration, TimerConfig timerConfig)
            throws IllegalArgumentException, IllegalStateException, EJBException {
        assertTimerServiceState();
        if (initialExpiration == null) {
            throw EJB3_TIMER_LOGGER.initialExpirationIsNullCreatingTimer();
        }
        if (initialExpiration.getTime() < 0) {
            throw EJB3_TIMER_LOGGER.invalidInitialExpiration("initialExpiration.getTime()");
        }
        if (intervalDuration < 0) {
            throw EJB3_TIMER_LOGGER.invalidInitialExpiration("intervalDuration");
        }
        return this.createTimer(initialExpiration, intervalDuration, timerConfig.getInfo(), timerConfig.isPersistent());
    }
@Override
    public Timer createIntervalTimer(Date initialExpiration, long intervalDuration, TimerConfig timerConfig)
            throws IllegalArgumentException, IllegalStateException, EJBException {
        assertTimerServiceState();
        if (initialExpiration == null) {
            throw EJB3_TIMER_LOGGER.initialExpirationIsNullCreatingTimer();
        }
        if (initialExpiration.getTime() < 0) {
            throw EJB3_TIMER_LOGGER.invalidInitialExpiration("initialExpiration.getTime()");
        }
        if (intervalDuration < 0) {
            throw EJB3_TIMER_LOGGER.invalidInitialExpiration("intervalDuration");
        }
        return this.createTimer(initialExpiration, intervalDuration, timerConfig.getInfo(), timerConfig.isPersistent());
    }
{@inheritDoc}