Adding Member To Group In OIDDAS 10.1.2 Fails: 500 Internal Server Error / Exception: java.lang.UnsupportedClassVersionError: _cabo/_jsps/_frameRedirect (Unsupported major.minor version 50.0) (Doc ID 1070649.1)

Symptoms

Oracle Internet Directory (OID) 10.1.2 (i.e., 10.1.2.3.0).

Applied JDK <Patch 8453300> in Oracle Application Server (AS).  As part of these steps, changed JDK version by following note:
<Document 272808.1> How to Update the Default JDK Installed in Application Server 9.0.4 and 10.1.2.

Since then, cannot add a person / user / member to a group in OIDDAS - it returns the following error message when clicking on the Add User button from the Edit Group page:

Steps to Reproduce:
1.  Launch a browser and navigate to http://<infrahostname>:<http listen port>/oiddas/
2.  Click on the Directory link
3.  Log in as orcladmin
4.  Click on Groups in the blue menu bar
5.  Search for a group
6.  Click View/Manage button
7.  Click Edit
8.  Scroll down to the bottom of the Members section and click on Add User
9.  A pop-up window appears with error message above (a working popup window would show a search screen to search for the user to add/delete).

Same problem occurs from other browser vendors (Firefox, Chrome, IE6) and from different client PC's.

Tried creating a brand-new test public group, but same problem persits also from different client PC's.

Tried backing out the steps from <Document 272808.1>, but same error persists.

All other oiddas operations are working fine.

Changes

Cause

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