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https://issues.apache.org/jira/browse/OPENJPA-828?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12696009#action_12696009
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Julien Kronegg commented on OPENJPA-828:
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Got this issue using Boolean->CHAR Y/N mapping for runtime enhanced classes
under OpenJPA 1.2.1:
@Column(name="flag", nullable=true, length=1)
@ExternalValues({"true=Y", "false=N"})
@org.apache.openjpa.persistence.Type(char.class)
public Boolean getFlag() {
..
}
Applying changes described in the following edits solved the problem:
http://svn.apache.org/viewvc/openjpa/trunk/openjpa-kernel/src/main/java/org/apache/openjpa/enhance/ReflectingPersistenceCapable.java?view=diff&r1=726926&r2=726927&pathrev=726927
This issue should also be solved in 1.2 and 1.3 branches...
> Externalizer fails with ClassCastException with runtime enhancement
> -------------------------------------------------------------------
>
> Key: OPENJPA-828
> URL: https://issues.apache.org/jira/browse/OPENJPA-828
> Project: OpenJPA
> Issue Type: Bug
> Reporter: Pinaki Poddar
> Fix For: 2.0.0-M1, 2.0.0
>
>
> Several issues [1] are reported with @Externalizer field failing with
> ClassCastException. The issue appears only for runtime enhanced classes and
> not for build time enhancement.
> [1]
> http://n2.nabble.com/%40Externalizer-does-not-work-on-persist--tt209702.html#a209702
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