Relevant Articles:
- Hibernate could not initialize proxy – no Session
- Hibernate Error “No Persistence Provider for EntityManager”
- TransactionRequiredException Error
- Hibernate’s “Object References an Unsaved Transient Instance” Error
- EntityNotFoundException in Hibernate
- Hibernate’s “Not-Null Property References a Null or Transient Value” Error
- Hibernate’s “Detached Entity Passed to Persist” Error
- Fixing Hibernate QueryException: Named Parameter Not Bound