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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 [Release 7.0 to 17.12]
Information in this document applies to any platform.


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).




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In this Document
 If using Oracle Access Manager 10g:
 If using Oracle Access Manager 11g:

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