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From "Oliver Ringel (JIRA)" <>
Subject [jira] Commented: (OPENJPA-1570) Exception using @Strategy in @MappedSuperclass or @Embeddable classes
Date Mon, 15 Mar 2010 11:38:27 GMT


Oliver Ringel commented on OPENJPA-1570:

I not sure if you mean me with Charles, but I switched to the latest snapshot release from
the apache snapshot repository and 
tested the attached test case and my project with the snapshot. Also I tested @Strategy with
some combinations of @MappedSuperclass and 

@Strategy is working as expected now. Thanks very much for the quick help.

> Exception using @Strategy in @MappedSuperclass or @Embeddable classes
> ---------------------------------------------------------------------
>                 Key: OPENJPA-1570
>                 URL:
>             Project: OpenJPA
>          Issue Type: Bug
>    Affects Versions: 2.0.0-beta2
>         Environment: Ubuntu 9.10, Maven 2.2.1, Spring 3.0.1
>            Reporter: Oliver Ringel
>         Attachments: openjpa1570.tar
> An exception occurs if you add the @Strategy annotation on a field of an @Embeddable
or @MappedSuperclass (not part of an @ElementCollection).
> The  patch OPENJPA-1556.patch does not fix the problem.
> <openjpa-2.0.0-beta2-rexportiert fatal user error> org.apache.openjpa.persistence.ArgumentException:
Attempt to map "jpa.test.domain.TestEntityBase.testEnumSimple" failed: the owning entity is
not mapped.
> To be more concrete. I try to change the default enum handling using an own EnumValueHandler.
The Handler is working if you add
> the @Strategy to the @Entity. Adding @Strategy on a field in a @MappedSuperclass leads
to the above exception.
> @javax.persistence.Entity
> @javax.persistence.Table(name = "TESTENTITY")
> public class TestEntity extends TestEntityBase {
> ...
> }
> @MappedSuperclass
> public abstract class TestEntityBase {
>     @Column(name = "TESTENUMSIMPLE")
>     @Enumerated(javax.persistence.EnumType.STRING)
>     @Strategy("jpa.test.domain.EnumStrategy")
>     private TestEnumSimple testEnumSimple;
> ...
> }
> You get the same Exception if you add the @Strategy to a @Embeddable and I also tried
a own simple StringValueHandler with the same result.

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