My Oracle Support Banner

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 SEPTEMBER 11, 2020

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:

  1. They are prompted to re-authenticate when loading any applet that uses JavaScript.
  2. 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

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
 If using Oracle Access Manager 10g:
 If using Oracle Access Manager 11g:
References


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