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From "Michael Glauche (JIRA)" <>
Subject [jira] [Created] (OPENJPA-2303) second call of getSingleResult() fails with @EagerFetchMode(FetchMode.JOIN)
Date Mon, 10 Dec 2012 14:21:21 GMT
Michael Glauche created OPENJPA-2303:

             Summary: second call of getSingleResult() fails with @EagerFetchMode(FetchMode.JOIN)
                 Key: OPENJPA-2303
             Project: OpenJPA
          Issue Type: Bug
    Affects Versions: 2.2.1, 2.2.0
            Reporter: Michael Glauche

When an entity with a field like this:

 	@OneToMany(mappedBy="parent", fetch=FetchType.EAGER)

is loaded with getSingleResult() for the second time, an Exception is thrown:

javax.persistence.NonUniqueResultException: Query "select A from EntityA A where" selected
3 results, but expected unique result.

When i remove the @EagerFetchMode annotation everything works fine (but then n+1 selects are
fired to load EntityA)

See attached Test Project.

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