[jira] [Created] (OWB-1176) IllegalProductException when producer returns Hibernate SessionImpl object

["Donatas Ciuksys (JIRA)" <ji...@apache.org>]

Donatas Ciuksys created OWB-1176:
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             Summary: IllegalProductException when producer returns Hibernate SessionImpl object
                 Key: OWB-1176
                 URL: https://issues.apache.org/jira/browse/OWB-1176
             Project: OpenWebBeans
          Issue Type: Bug
          Components: Core
    Affects Versions: 1.7.2
         Environment: TomEE 7.0.3
            Reporter: Donatas Ciuksys


I'm using TomEE 7.0.3 WebProfile (thus latest OpenWebBeans) with Hibernate 5.2.9. I'm trying to write CDI producer for ViewScoped EntityManager: 

    @PersistenceUnit 
    private EntityManagerFactory emf; 

    @Produces 
    @ViewScoped 
    private EntityManager createJTAViewScopedEntityManager() { 
        return emf.createEntityManager(SynchronizationType.SYNCHRONIZED)); 
    } 

Yet at the injection point I'm getting exception: 
javax.el.ELException: javax.enterprise.inject.IllegalProductException: WebBeans producer : createJTAViewScopedEntityManager return type in the component implementation class : lt.vu.usecases.cdi.JPAResources with passivating scope @javax.faces.view.ViewScoped must be Serializable.

That contradicts CDI spec. chapter 6.6.5: 

"If a producer method declares a passivating scope and doesn’t only return Serializable types at runtime, then the container must throw an IllegalProductException." 

My example returns object that is instance of Hibernate SessionImpl, that is Serializable type. 

In  addition, the example presented in CDI spec. chapter 3.5.2: 

 @Produces @ConversationScoped @UserDatabase 
    public EntityManager create(EntityManagerFactory emf) { 
        return emf.createEntityManager(); 
    } 

This is not possible with OpenWebBeans. I remember CDI 1.1 spec requiring to check method signatures, but 1.2 no longer says anything about method signatures, CDI must check the object that is being returned.



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