问题
Java spring - I have following cron expression for cron job.
0 0/35 * * * ?
But above mentioned cron expression fires once in an hour and like as follows
1:35 2:35 3:35 4:35
I want to fire every after 35 mins instead once in an hour
any quick suggestion ?
回答1:
Cron syntax is
sec min hour day day_of_month month day_of_week year
So what you would want is
0 0,35 * * * * ?
So it will fire on minutes 0 and 35 of each hour.
See the Quartz docs for this, as Spring is using Quartz as scheduler here. Those docs also explain the special chars like * ? - , and others.
回答2:
You have specified an increment instead of two values.
There is no minute 35 + 35 = 70.
Replace 0/35 with 0,35.
来源：https://stackoverflow.com/questions/8560613/spring-cron-expression-every-after-30-minutes