in src/main/java/org/apache/sling/commons/scheduler/impl/QuartzScheduler.java [524:535]
public boolean schedule(final Long bundleId, final Long serviceId, final Object job, final ScheduleOptions options) {
try {
this.scheduleJob(bundleId, serviceId, job, options);
return true;
} catch (final IllegalArgumentException iae) {
// ignore this and return false
return false;
} catch (final SchedulerException se) {
// ignore this and return false
return false;
}
}