return;
}
try {
Date now = new Date();
cron = Expression.evaluate(cron, cron).toString();
CronExpression cronExp = new CronExpression(cron);
Date nextDate = cronExp.getNextValidTimeAfter(now);
if (nextDate == null) {
Logger.warn("The cron expression for job %s doesn't have any match in the future, will never be executed", job.getClass().getName());
return;
}
if (nextDate.equals(job.nextPlannedExecution)) {
// Bug #13: avoid running the job twice for the same time
// (happens when we end up running the job a few minutes before the planned time)
Date nextInvalid = cronExp.getNextInvalidTimeAfter(nextDate);
nextDate = cronExp.getNextValidTimeAfter(nextInvalid);
}
job.nextPlannedExecution = nextDate;
executor.schedule((Callable<V>) job, nextDate.getTime() - now.getTime(), TimeUnit.MILLISECONDS);
job.executor = executor;
} catch (Exception ex) {