"Null username passed to login procedure" Error Accessing Apex Application
Last updated on AUGUST 26, 2017
Applies to:Oracle Application Express (formerly HTML DB) - Version 4.2.2.0011 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://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.
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