Error 'java.lang.ClassFormatError: Incompatible magic value 1008813135 in class file Applet' or User Is Prompted for Re-authentication When Loading Any Applet When Configured for Oracle Access Manager (OAM)
(Doc ID 1242418.1)
Last updated on MARCH 22, 2022
Applies to:
Primavera P6 Enterprise Project Portfolio Management - Version 7.0 to 17.12.9.0 [Release 7.0 to 17.12] Information in this document applies to any platform.
Symptoms
When the P6 EPPM/P6 Web application is protected by Oracle Access Manager (OAM), users experience one of the following two issues:
They are prompted to re-authenticate when loading any applet that uses JavaScript.
Error java.lang.ClassFormatError: Incompatible magic value <number> in class file <Applet> occurs when loading any applet that uses JavaScript.
Examples of an applet in P6 Web are:
The Open Project dialog box.
The Activity List.
The EPS List (in r8.0 - 17.x).
The User Access view (in r.8.0 -17.x).
Changes
Cause
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