[hibernate-issues] [Hibernate-JIRA] Closed: (HHH-4923) EnitityManager returning lazy proxy

[Steve Ebersole (JIRA)]

     [ http://opensource.atlassian.com/projects/hibernate/browse/HHH-4923?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Steve Ebersole closed HHH-4923.
-------------------------------

    Resolution: Rejected

Yep, the only concern would be if the proxy were not initialized after the find() call.  But returning a (initialized) proxy is completely expected if the proxy were already associated with the persistence context

> EnitityManager returning lazy proxy
> -----------------------------------
>
>                 Key: HHH-4923
>                 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-4923
>             Project: Hibernate Core
>          Issue Type: Bug
>          Components: core
>    Affects Versions: 3.3.2
>         Environment: JBoss - MySQL 5.1 - JDK6
>            Reporter: Billy Bob
>
> Depending on the order I read entities, sometimes an em.find() returns a javassist proxy. I have the following simplified entity mapping:
> class A {
>     @Id 
>     @GeneratedValue(strategy=GenerationType.IDENTITY)    
>     private int id;
> }
> class B extends A {
> }
> class C extends A {
>     @ManyToOne(fetch=FetchType.LAZY)
>     @JoinColumn(nullable=false)
>     private A ref;
> }
> For both scenarios, I have an entity of type B stored with id 20 and an entity of type C stored with id 30 with a reference to the first object with id 20.
> Scenario - 1:
>    em.find(A.class, 30); // Returns type C, lazy reference of B is loaded into session
>    em.find(A.class, 20); // Error: Returns javassist proxy instead of type B
> Scenario - 2:
>    em.find(A.class, 20); // Returns type B, since not loaded by C lazy reference
>    em.find(A.class, 30); // Returns type C
> Should a call to EntityManager.find() ever return a lazy proxy?

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