My Oracle Support Banner

Cannot Access Forms (Getting Error -> ClassNotFoundException - oracle.forms.engine.Main) After FMW Forms/Reports 12.2.1.3 Upgrade to 12.2.1.4 (Doc ID 2926621.1)

Last updated on AUGUST 10, 2023

Applies to:

Oracle Forms - Version 12.2.1.4.0 and later
Oracle Forms for OCI - Version 12.2.1.4.0 and later
Information in this document applies to any platform.

Symptoms

Getting the following error when attempting to access forms (test.fmx or any custom forms) after out-of-place (non-ZDT) upgrade of FMW Forms/Reports 12.2.1.3.0 to 12.2.1.4.0:


ClassNotFoundException
oracle.forms.engine.Main

Changes

 Upgraded FMW Forms/Reports 12.2.1.3.0 to 12.2.1.4.0.

Cause

To view full details, sign in with your My Oracle Support account.

Don't have a My Oracle Support account? Click to get started!

In this Document
Symptoms
Changes
Cause
Solution


My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.