JobExecutionException ClassQuartz.NET API Documentation
An exception that can be thrown by a IJob to indicate to the Quartz IScheduler that an error occurred while executing, and whether or not the IJob requests to be re-fired immediately (using the same IJobExecutionContext, or whether it wants to be unscheduled.
Inheritance Hierarchy

System Object
  System Exception
    Quartz SchedulerException
      Quartz JobExecutionException

Namespace: Quartz
Assembly: Quartz (in Quartz.dll) Version:

public class JobExecutionException : SchedulerException

Note that if the flag for 'refire immediately' is set, the flags for unscheduling the Job are ignored.
See Also