Opening Form Generates Error java.lang.ClassNotFoundException: oracle.forms.engine.Main
Last updated on MARCH 16, 2017
Applies to:Oracle E-Business Suite Technology Stack - Version 12.1.3 and later
Information in this document applies to any platform.
On : 12.1.3 version, Forms for App Technology
When attempting to open form, in Java console the following error occurs.
java.lang.SecurityException: cannot verify signature block file META-INF/CUST
The issue can be reproduced at will with the following steps:
1. Upgrade from 12.0.4 to 12.1.3
2. Open form
3. Form could not be opened and gets error in java
Due to this issue, users cannot open Forms.
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