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From "Laird Nelson (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (OPENJPA-2065) JPA 2.0 Spec. Violation? EntityManager#createNamedQuery(String, Class) bombs with non-entity Class parameter
Date Wed, 26 Oct 2011 20:03:32 GMT

    [ https://issues.apache.org/jira/browse/OPENJPA-2065?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13136293#comment-13136293
] 

Laird Nelson commented on OPENJPA-2065:
---------------------------------------

Sure; not trying to be difficult.  Thanks for the quick response, and the pointers to 2.11.3.
 I'm guessing that this section (2.11.3) was created before there was a TypedQuery-returning
method on EntityManager, and that the spec. authors would probably modify it if it were brought
to their attention.
                
> JPA 2.0 Spec. Violation? EntityManager#createNamedQuery(String, Class) bombs with non-entity
Class parameter
> ------------------------------------------------------------------------------------------------------------
>
>                 Key: OPENJPA-2065
>                 URL: https://issues.apache.org/jira/browse/OPENJPA-2065
>             Project: OpenJPA
>          Issue Type: Bug
>          Components: jpa
>    Affects Versions: 2.1.0, 2.1.1
>            Reporter: Laird Nelson
>              Labels: specification
>
> Suppose we have an interface, A.
> Suppose we have a JPA-compliant entity class, B, that implements A.
> This construction will fail at runtime:
> final TypedQuery<A> q = em.createNamedQuery("someNamedQuery", A.class);
> Hibernate and EclipseLink both accept this construction.
> I don't see anywhere in the JPA specification that the class parameter must denote an
entity type.

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