Convert J2EE 1.3 application into Java EE 5 or above

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I maintain an old J2EE application that uses EJB's. What is involved in converting J2EE EJB's into Java EE EJB's

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duffymo On BEST ANSWER

Here's a starter list:

  1. Convert all your EJBs to the new 3.x standard.
  2. Replace XML with annotations where possible.
  3. Change to Java EE 6 JAR dependencies as needed.
  4. Repackage EAR.