No persistence unit that has the specified persistence unit root has been defined. (persistence unit name = aa....aa)

aa....aa: Persistence unit name

Description

A persistent unit having the root of the specified persistent unit is not defined.

Action

When using the # syntax in PersistenceContext, PersistenceUnit annotation, or in the <persistence-context-ref> and <persistence-unit-ref> tabs of the Deployment Descriptor, specify the correct root of the persistent unit defined in the application.