Alan nailed it. Quartz supported the finer resolution and some folks found that useful. It would be totally fair to ask that given 5 fields we just add a 6th with an implied 0 (for example). A good JIRA if you feel that is helpful.
On Wed, Sep 9, 2015 at 8:01 AM, Alan Jackoway <[email protected]> wrote: > I believe that NiFi uses the Quartz cron syntax, which is described here: > http://quartz-scheduler.org/api/2.2.0/org/quartz/CronExpression.html > > As for why, I believe it is because NiFi uses the Quartz java library to > schedule processes, so it kept with Quartz syntax rather than translating > it. I'm not sure why Quartz uses 6 instead of 5. Probably for more precision > so that you can schedule down to the second if you want to. > > Alan > > On Wed, Sep 9, 2015 at 1:00 PM, John Titus <[email protected]> > wrote: >> >> Just curious - why does the NiFi cron syntax differ from crontab syntax, >> in that there is a "seconds" field in NiFi cron that I don't think crontab >> uses? It always throws me that there's an extra field there. > >
