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Date: Thu, 20 Aug 2009 11:29:14 -0700 (PDT)
From: "Fay Wang (JIRA)" <jira@apache.org>
To: dev@openjpa.apache.org
Subject: [jira] Closed: (OPENJPA-1256) get java.lang.ClassCastException when
 IdClass contains an Enum Field
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     [ https://issues.apache.org/jira/browse/OPENJPA-1256?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Fay Wang closed OPENJPA-1256.
-----------------------------


> get java.lang.ClassCastException when IdClass contains an Enum Field
> --------------------------------------------------------------------
>
>                 Key: OPENJPA-1256
>                 URL: https://issues.apache.org/jira/browse/OPENJPA-1256
>             Project: OpenJPA
>          Issue Type: Bug
>          Components: kernel
>    Affects Versions: 2.0.0
>            Reporter: Fay Wang
>             Fix For: 2.0.0
>
>
> Suppose EntityA and EntityB are defined as follows:
> @Entity
> class EntityA {
>    @Id
>     int id;
>   
>    @OneToOne(fetch=fetchType=LAZE)
>    EntityB entityB;
>    
>    ...
> }
> @Entity
> @IdClass(BId.class)
> class EntityB {
>     @Id
>     int intId;
>    @Id
>     BType bType;
> ...
>     public enum BType { A1, A2, A3, A4 };
>      ...
> }
> ClassCast Exception is thrown in the following situation:
>     EntityA a = em.find(EntityA.class, 1)
>     EntityB b = a.getEntityB();

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