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Arguably, the most important job within KFS is the scheduler job, which consists of a single step, org.kuali.kfs.batch.SchedulerStep. This step is responsible for running all job Spring beans defined with scheduledJobDescriptor as its parent, assuming that a job does not have a trigger of its own (discussed later in this section), its dependencies has been satisfied, and the schedule job has been configured correctly.

When the scheduler job is triggered, it will immediately schedule all jobs that do not have unsatisfied dependencies and do not have their own triggers defined.  As dependee jobs complete execution, dependent jobs are scheduled to be run.  Note that this means that whenever the scheduler job starts, it starts up other scheduled jobs as well.


When and how long the scheduler job runs is defined using configuration properties

Job Triggers

A trigger is an object that causes a job to be run when a certain event occurs.



Be careful about defining jobs that depend on jobs with a trigger. If the scheduler job is not running when the dependee job completes execution, then the dependent job will not be scheduled to run. Note that since starting the schedule job causes the nightly jobs to begin execution, it is usually not prudent to start up the scheduler job merely to handle dependencies for custom-triggered jobs.

If there are jobs that depend on jobs with triggers, then the configuration properties should be set to ensure that the scheduler job is still running when the dependee jobs with a trigger complete execution.