ejb3/src/main/java/org/jboss/as/ejb3/timerservice/TimerServiceImpl.java
@Override
    public Timer createSingleActionTimer(Date expiration, TimerConfig timerConfig) throws IllegalArgumentException,
            IllegalStateException, EJBException {
        assertTimerServiceState();
        if (expiration == null) {
            throw EJB3_TIMER_LOGGER.expirationIsNull();
        }
        if (expiration.getTime() < 0) {
            throw EJB3_TIMER_LOGGER.invalidExpirationActionTimer();
        }
        return this.createTimer(expiration, 0, timerConfig.getInfo(), timerConfig.isPersistent());
    }
@Override
    public Timer createSingleActionTimer(Date expiration, TimerConfig timerConfig) throws IllegalArgumentException,
            IllegalStateException, EJBException {
        assertTimerServiceState();
        if (expiration == null) {
            throw EJB3_TIMER_LOGGER.expirationIsNull();
        }
        if (expiration.getTime() < 0) {
            throw EJB3_TIMER_LOGGER.invalidExpirationActionTimer();
        }
        return this.createTimer(expiration, 0, timerConfig.getInfo(), timerConfig.isPersistent());
    }
{@inheritDoc}