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APEX On LOADING Status in New Cloned PDB due to deadlock at SYS.AQ$_REG_INFO (Doc ID 2807706.1)

Last updated on SEPTEMBER 16, 2021

Applies to:

Oracle Application Express (APEX) - Version 19.2 and later
Information in this document applies to any platform.

Symptoms

On : APEX 19.2, Administration

ACTUAL BEHAVIOR
---------------
The product shows LOADING in dba_registry after install

EXPECTED BEHAVIOR
-----------------------
Product should show VALID

STEPS
-----------------------
The issue can be reproduced at will with the following steps:
1. Clone a PDB with APEX
2. Try to plugin the PDB to another CDB and get a mis-match error
3. Remove APEX from the CDB using "apxremov.sql"
4. Try to re-install APEX again local to PDB

Changes

 New Cloned PDB

Cause

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In this Document
Symptoms
Changes
Cause
Solution


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