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"Null username passed to login procedure" Error Accessing Apex Application (Doc ID 1923415.1)

Last updated on AUGUST 04, 2018

Applies to:

Oracle Application Express (formerly HTML DB) - Version 4.2.2.0011 and later
Information in this document applies to any platform.

Symptoms

Integrated APEX with Oracle Access Manager (OAM) using the APEX Listener (ORDS) with Weblogic Server per Doc ID 1480284.1

The following OAM error occurs when attempting to access a custom application using the URL -  https://abc.xyz.com:4445/apex/hrdev/f?p=105

 

"Null username passed to login procedure"



Created an example test page (/cgi-bin/printenv) and set the example page as a protected resource. This example page works fine and shows HTTP_OAM_REMOTE_USER header correctly.



Cause

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