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What do we mean when we say "Migrating the specification level of Java EE projects"? Does this actually entail an application rewrite? TIA.

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cross-posted at Stack Overflow: stackoverflow.com/questions/10206148/… – gnat Apr 18 '12 at 11:06
IBM Rational Developer manual seems to cover this pretty nicely in the section called, well "Migrating the specification level of Java EE projects" - Web 2.2 to Web 2.5, EJB 1.1 to EJB 3, JCA 1.0 to JCA 1.5... – gnat Apr 18 '12 at 11:12

closed as not a real question by MichaelT, gnat, World Engineer♦, Walter, Martijn Pieters Feb 10 at 22:12

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Not necessarily, but you do have to watch out for:

  • Things that were deprecated which get removed
  • Things that have become deprecated (which you should move off)
  • New features which might make your application simpler, faster, more scalable, whatver.
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