Oracle Forms: SSL ClassNotFoundException oracle.forms.engine.Main When Using AES 256 Cryptographic Algorithm
(Doc ID 1916044.1)
Last updated on APRIL 26, 2023
Applies to:Oracle Forms - Version 18.104.22.168.0 and later
Oracle Forms for OCI - Version 22.214.171.124.0 and later
Information in this document applies to any platform.
Oracle Forms is being accessed via SSL using Advanced Encryption Standard (AES) 256 cipher encryption algorithm. In doing so, when accessing an Oracle Forms application, the following error is shown to the end user:
If an encryption method not as strong is used, or Oracle Forms is not accessed using HTTPS protocol then the error is not shown and the Oracle Forms application starts fine.
Oracle HTTP Server or WLS_FORMS managed server was configured to use AES-256 cipher algorithm.
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