"Null username passed to login procedure" Error Accessing Apex Application
(Doc ID 1923415.1)
Last updated on FEBRUARY 18, 2021
Applies to:Oracle Application Express (APEX) - Version 4.2.2.0011 and later
Oracle Database Cloud Exadata Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Oracle Database Cloud Service - Version N/A and later
Information in this document applies to any platform.
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://<HOST>:<PORT>/apex/db2/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.
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