DataIntegrityViolationException « Exception « JPA Q&A

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1. discriminating between DataIntegrityViolationException    forum.hibernate.org

I am using Spring with Hibernate to persist User entities. Users have roles and attributes. The Users table has many-to-many relationships with the Roles table and with the Attributes table. There are several cases in which I get a DataIntegrityViolationException while saving a User: - when trying to persist a User with an already existing userName (violation of UNIQUE constraint) - ...

2. DataIntegrityViolationException on a reference to a .....    forum.hibernate.org