[hibernate-issues] [Hibernate-JIRA] Created: (HHH-2795) CollectionLoadContexts for empy collections are not removed until PersistenceContext.clear()

[Gail Badner (JIRA)]

CollectionLoadContexts for empy collections are not removed until PersistenceContext.clear()
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                 Key: HHH-2795
                 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-2795
             Project: Hibernate3
          Issue Type: Bug
    Affects Versions: 3.2.5
            Reporter: Gail Badner
            Assignee: Gail Badner
             Fix For: 3.2.6, 3.3


A CollectionLoadContext is created for an empty ResultSet but is not registered with LoadContexts. This causes CollectionLoadContexts.endLoadingCollection() too return early without removing the CollectionLoadContext().

As a result, the CollectionLoadContext is not removed until PersistenceContext.clear() is called which calls LoadContexts.cleanup(). When a CollectionLoadContext is still in present, LoadContexts.cleanup() writes a warning to the log, as mentioned in HHH-2631.

This is reproduced by org.hibernate.engine.loading.MergeTest.testNoExtraUpdatesOnMergeWithCollection() as well as other unit tests.

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