java-tutorials/persistence-modules/hibernate-exceptions

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