Hibernate @ManyToOne references an unknown entity

Question

I am receiving the following Hibernate Exception:

@OneToOne or @ManyToOne on Matchup.awayTeam references an unknown entity: Team

The simplified

Answer 1

Add the Entity in all persistence-units of your persistence.xml

Example

  
    java:jboss/datasources/SystemDataBaseDS
    package.EntityClass
    ...
  
  
    org.hibernate.jpa.HibernatePersistenceProvider
    package.EntityClass
    ...