J2SE Plugin 1.6.0.07 not recognized as installed when running Oracle Application in IE Mode in EDGE

[Elwynw]

I'm retyping this question someone else raised in the consumer edge forum and the person was redirected here but hasn't posted a question, but I'm having similar :

After enabling IE Mode in edge using GPO we an error the following error within edge browser. We are able to open the web app home page, but opening a link within the app we get that error.

error:

"In order to access this application, you must install the J2SE Plugin version 1.6.0_07. To install this plugin, click here to download the oaj2se.exe executable. Once the download is complete, double-click the oaj2se.exe file to install the plugin. You will be prompted to restart your browser when the installation is complete."

Downloading the J2SE Plugin version 1.6.0_07 plugin and installed. Tried again to run the Oracle Application and the above message was displayed again.

I forced a download of the edge mode site list, and tried again - a java popup warning appeared, and it worked. not sure if it was the force update or if it was the java popup.

What is the main cause?

[#2]

@Elwynw Hello - Was it the answers.microsoft.com Forum you were looking at?  I found this post (J2SE Plugin 1.6.0.07 not recognized as installed when running Oracle - Microsoft Community).  If you scroll down to the last reply on May 22, 2021 there is a user that provides how they fixed the issue.  Have you tried their suggestion?  Thanks! 

-Kelly

[#3]

i think I was after more about the root cause than the fix.

[#4]

@Elwynw Here is a link to the doc with more information about document mode configuration: https://learn.microsoft.com/en-us/deployedge/edge-ie-mode-faq#incorrect-document-mode-configurations

-Kelly