How do I use the MDC in JBoss EAP 7/6 logging?

Solution Verified - Updated -


  • What steps are needed to be able to use the Message Diagnostic Context (MDC)?
  • How would the log pattern look if I wanted to set a username? I have seen %X{user} in an example, but it doesn't work for me.


  • Red Hat JBoss Enterprise Application Platform (EAP)
    • 7.x
    • 6.x

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