Apex Pages Not Reachable and Throw Error "404 PAGE CAN NOT BE DISPLAYED" (Doc ID 1441183.1)

Last updated on SEPTEMBER 20, 2016

Applies to:

Oracle Application Express (formerly HTML DB) - Version 3.1.2.0.0 and later
Information in this document applies to any platform.
***Checked for relevance on 30-Sep-2013***
***Checked for relevance on 01-May-2015***

Symptoms

Attempting to login into apex after a new installation the following error occurs:
ERROR 404 PAGE CAN NOT BE DISPLAYED

The issue can be reproduced with the following steps:

1. Install APEX 3.2
2. Configure the web listener (EPG / OHS with modplsql / APEX Listener)
3. Enter in a Browser the URL to access apex
http://myserver.eu.oracle.com:7782/apex/apex_admin ==> Not Found

Changes

Problem happens due to lack of privilege on the packages dbms_lock. This is one of the packages from which the public access is revoked from, due to the company security policy.

Cause

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