Fixing “Could not resolve a persistence unit…” errors when PU is specified, found

Question

I\'m running Glassfish 3.1-SNAPSHOT as of today (2010-11-12).

I\'m using the embedded EJBContainer.

On the classpath, as reported by the EJBContainer, I have

Answer 1

If by mistake you put @PersistenceContext(name="cx") instead of @PersistenceContext(unitName="cx") you get the same error with everything else working.