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From "Koen Rousseau (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (OPENJPA-1253) JoinColumn annotation not allowed in conjunction with *ToMany annotation
Date Sun, 11 Sep 2011 07:23:09 GMT

    [ https://issues.apache.org/jira/browse/OPENJPA-1253?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13102243#comment-13102243
] 

Koen Rousseau commented on OPENJPA-1253:
----------------------------------------

Checked the version in persistence.xml, and in orm.xml, both are 2.0, yet specyfing a join-column
tag in a OneToMany relationship still throws the above error in OpenJPA 2.1.1 (r422266).

> JoinColumn annotation not allowed in conjunction with *ToMany annotation
> ------------------------------------------------------------------------
>
>                 Key: OPENJPA-1253
>                 URL: https://issues.apache.org/jira/browse/OPENJPA-1253
>             Project: OpenJPA
>          Issue Type: Bug
>          Components: jdbc
>    Affects Versions: 2.0.0-M1, 2.0.0-M2, 2.0.0-M3
>            Reporter: Rick Curtis
>            Assignee: Fay Wang
>             Fix For: 2.0.0-M3
>
>
> I receive the following exception if I have an Entity with a One(Many)ToMany relationship
with another Entity. 
> <openjpa-2.0.0-SNAPSHOT-r422266:805588 fatal user error> org.apache.openjpa.persistence.ArgumentException:
You have supplied columns for "....Entity", but this mapping cannot have columns in this context.
> To recreate the failure, add a @JoinColumn annotation to one of the *ToMany relationships
in org.apache.openjpa.persistence.jdbc.annotations.AnnoTest1. 
> example:
>     @MapKey(name = "basic")
>     @OneToMany(mappedBy = "oneManyOwner")
>     @JoinColumn(name = "asdf")
>     protected Map<String, AnnoTest2> inverseOwnerMapKey = new HashMap();
> Then run:
> trunk\openjpa-parent\openjpa-persistence-jdbc>mvn test -Dtest=org.apache.openjpa.persistence.jdbc.annotations.TestOneToMany

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