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https://issues.apache.org/jira/browse/OPENJPA-1787?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12909000#action_12909000
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Donald Woods commented on OPENJPA-1787:
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Can you attach your stack trace? I just ran into a scenario where an entity
not using Validation is causing the Apache Bean Validation provider to throw an
exception due to entity.hashCode() throwing a NPE....
> Bean validation fails merging a new entity
> ------------------------------------------
>
> Key: OPENJPA-1787
> URL: https://issues.apache.org/jira/browse/OPENJPA-1787
> Project: OpenJPA
> Issue Type: Bug
> Components: validation
> Affects Versions: 2.0.1, 2.1.0
> Environment: Ubuntu 10.04, Spring 3.0.3
> Reporter: Oliver Ringel
> Attachments: openjpa-1787.tar
>
>
> The bean validation is not working correctly, if you try to merge not
> existing entity.
> Employee employee = new Employee();
> employee.setName("Oliver"); //
> Employee.name is annotated @NotNull
> employee = em.merge(employee);
> em.persist and em.merge together with a managed entity is working as expected.
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