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Scheduler Jobs and Automated Maintenance Tasks do not Work When job_queue_processes changed to 0 (Doc ID 1196298.1)

Last updated on FEBRUARY 18, 2025

Applies to:

Oracle Database - Enterprise Edition - Version 11.2.0.1.0 and later
Information in this document applies to any platform.

Symptoms

In version 11.2 scheduler jobs managed by DBMS_SCHEDULER and automated maintenance tasks (known as Autotask) do not work after job_queue_processes has been changed to 0.
This is the case for timed scheduler jobs using the repeat_interval parameter, and scheduler jobs which only run once or manually.

Changes

job_queue_processes=0

Cause

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