Database 12c Upgrade May Take Longer To Complete If Queue SCHEDULER$_EVENT_QTAB Is Not Empty (Doc ID 2242835.1)

Last updated on MAY 20, 2017

Applies to:

Oracle Database - Enterprise Edition - Version 12.1.0.2 and later
Information in this document applies to any platform.

Symptoms

When upgrading database from 11g to 12c, the upgrade process executed either via Database Upgrade Utility (DBUA) or manually may seem to be hanging or stuck.

 

Changes

Database upgrade or migration.

Cause

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