[hibernate-issues] [Hibernate-JIRA] Commented: (HHH-4837) 2L-Querycache: NaturalKeyLookup throws EntityNotFoundException

[Guenther Demetz (JIRA)]

    [ http://opensource.atlassian.com/projects/hibernate/browse/HHH-4837?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=35550#action_35550 ] 

Guenther Demetz commented on HHH-4837:
--------------------------------------

The Bug is even worser than supposed:

NaturalKeyLookup query (Restrictions.naturalId() on immutable NaturalId ) 
continues to raise EntityNotFoundException even after a new entity with concerning 
NaturalId was reinserted (and commited)!

This is definitely a BUG!
Please see attached Testcase TestLookupNaturalIdOnRecreatedEntity.jar 
(find further needed resources TestLookupNaturalIdOnDeletedEntity.jar)

Workaround: evict manually the QueryCacheRegion each time after an entity with immutable NaturalId was deleted.

> 2L-Querycache: NaturalKeyLookup throws EntityNotFoundException
> --------------------------------------------------------------
>
>                 Key: HHH-4837
>                 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-4837
>             Project: Hibernate Core
>          Issue Type: Bug
>          Components: caching (L2)
>    Affects Versions: 3.5.0-Beta-3
>         Environment: 3.5.0-Beta3, HSQLDB,  Ehcache as 2L-cache provider
>            Reporter: Guenther Demetz
>         Attachments: TestLookupNaturalIdOnDeletedEntity.jar
>
>
> A cached NaturalKeyLookup query (immutable NaturalId) looking for a entity which has already been deleted,
> throws EntityNotFoundException.
> This is different to the behavior with disabled 2L-Querycache where the query simply returns null.
> Please see attached Testcase for details.

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