[hibernate-issues] [Hibernate-JIRA] Commented: (EJB-441) nullable=true is ONLY a hint for schema generation, but Hibernate uses it for validation

[Francisco Peredo (JIRA)]

    [ http://opensource.atlassian.com/projects/hibernate/browse/EJB-441?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=33310#action_33310 ] 

Francisco Peredo commented on EJB-441:
--------------------------------------

More info (like full stack trace ) in this forum thread
http://forum.hibernate.org/viewtopic.php?t=995684&start=0&postdays=0&postorder=asc&highlight=entitymanager+persist

> nullable=true is ONLY a hint for schema generation, but Hibernate uses it for validation
> ----------------------------------------------------------------------------------------
>
>                 Key: EJB-441
>                 URL: http://opensource.atlassian.com/projects/hibernate/browse/EJB-441
>             Project: Hibernate Entity Manager
>          Issue Type: Bug
>    Affects Versions: 3.3.2.GA
>            Reporter: Francisco Peredo
>
> With the following JPA @Entity (note the @Basic(optional=true), @Column(nullable=false) at the getName method):
> @Entity
> public class Customer {
> private Long id;
> private String name;
> @Id
> @GeneratedValue(strategy=GenerationType.AUTO)
> public Long getId() {
> return id;
> }
> public void setId(Long id) {
> this.id = id;
> }
> @Basic(optional=true)
> @Column(nullable=false)
> public String getName() {
> return name;
> }
> public void setName(String name) {
> this.name = name;
> }
> }
>   
> And then the following test
> @Test
> public void persistCustomerInTransaction() throws Exception {
> factory = Persistence.createEntityManagerFactory(PERSISTENCE_UNIT_NAME);
> EntityManager em = factory.createEntityManager();
> em.getTransaction().begin();
> Customer customer = new Customer();
> em.persist(customer);em.getTransaction().commit();
> em.close();
> }
> What exception should be the root cause of this problem?
> According to the spec @Column(nullable=false) is JUST a schema generation hint, and Hibernate should NOT use it for object level validation, so it should crash with a java.sql.SQLException as the root exception, and not with a org.hibernate.PropertyValueException thrown by org.hibernate.engine.Nullability.checkNullability.

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