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One-time DBMS_SCHEDULER Jobs Occasionally Do Not Start and Get Stuck in SCHEDULED State (Doc ID 2748981.1)

Last updated on JULY 22, 2021

Applies to:

Oracle Database - Enterprise Edition - Version 19.7.0.0.0 and later
Information in this document applies to any platform.

Symptoms

One-time DBMS_SCHEDULER jobs occasionally do not start.
The jobs are scheduled but never run, the job keeps staying in 'SCHEDULED' state.

It happens quite rarely, once for every 10000 job executions.

EXPECTED BEHAVIOR
-----------------------
One-time DBMS_SCHEDULER jobs should always start.

Changes

 After the database upgrade to version 19.7, this issue started to manifest.

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References


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