Why does getCallerPrincipal().getName() return a string of numbers in JBoss while using SPNEGO auth?

Solution Verified - Updated -

Issue

  • Why does getCallerPrincipal().getName() return a string of numbers in JBoss while using SPNEGO auth (JBoss Negotiation)?
  • We try to retrieve the logged user with the method getCallerPrincipal(). Instead getCallerPrincipal().getName() returns a string of numbers.

Environment

  • JBoss Enterprise Application Platform (EAP)
    • 5.x

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