Error: 'java.lang.ClassFormatError: Incompatible magic value 1008813135 in class file Applet' or Prompt For Re-authentication When Loading Any Applet When Configured For Oracle Access Manager (OAM) (Doc ID 1242418.1)

Last updated on JUNE 30, 2017

Applies to:

Primavera P6 Enterprise Project Portfolio Management - Version 7.0 and later
Information in this document applies to any platform.

Symptoms

When protected by Oracle Access Manager (OAM), P6 (also known as Web Access) users experience one of the following two issues:

  1. Prompted to re-authentication when loading any applet which uses JavaScript
  2. Error:  'java.lang.ClassFormatError: Incompatible magic value <number> in class file <Applet>' when loading any applet which uses JavaScript
Examples of an applet in P6 (also known as Web Access) are:
  • Open Project dialog box
  • Activity List
  • EPS List (in r8.0 or later)
  • User Access (in r.8.0 or later)



Changes

 

Cause

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