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APEX Performance Issue After Database Upgrade to 11.2.0.4 (Doc ID 1950408.1)

Last updated on SEPTEMBER 10, 2021

Applies to:

Oracle Database Cloud Service - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database - Enterprise Edition - Version 11.2.0.4 and later
Oracle Application Express (APEX) - Version 4.2 and later
Information in this document applies to any platform.

Symptoms

After upgrading the Oracle database to 11.2.0.4, APEX applications are experiencing performance problems. This issue affects all APEX applications and pages, including the login process. No changes have been made to the applications prior to the upgrade. 

This problem can occur with any web server:

 

Changes

 Upgraded the database from 11.2.0.x to 11.2.0.4.

Cause

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In this Document
Symptoms
Changes
Cause
Solution
 Oracle REST Data Services (ORDS) / APEX Listener
 Oracle HTTP Server (OHS) / Mod_plsql
 XML DB HTTP Server / EPG
References


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