How do I resolve this Weblogic intermittent java.lang.LinkageError? What are the steps to understanding what it means and fix it?

Question

I have an intermittent linkage error thrown: (That\'s basically all the information I have)

java.lang.LinkageError loader constraint violation: 
  when resol         


        

Answer 1

The solution was eventually to update the weblogic-application.xml file of the deployed app

The application used an old jaxrpc-api.jar that we could not remove for various reason,

The solution we used to prefer the internal jar was this (Is there a better way?)

  ...
  java.xml.rpc.*