Scheduler Cron Syntax
This topic provides instructions for using Quartz cron syntax with Scheduler.
Scheduler uses Quartz cron, a custom form of cron syntax, for scheduling tasks. This format is based on traditional cron syntax.
See the sections below for more information about Quartz cron syntax, requirements, and limitations.
The following table describes special characters in Quartz cron syntax. You can use these special characters to create scaling rules with Scheduler.
For more information about special characters, see Cron Trigger Tutorial.
The following are examples of custom scaling rules with Scheduler:
cf schedule-call my-call "0 * * * ?"
Every day at 8:30am:
cf schedule-call my-call "30 8 ? * *"
Every week at 6pm on Friday:
cf schedule-call my-call "0 18 ? * 5"
For more examples, see Cron Trigger Tutorial.
The following are requirements and limitations of Quartz cron:
The day of week cannot conflict with the day of the month in the cron expression. Quartz cron requires at least one of the “Day” fields to be non-wild. For example,
"* * ? * *"and
"* * * * ?"both run the task at the same interval.
Day of week starts at