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https://issues.apache.org/jira/browse/OPENJPA-1913?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mark Struberg updated OPENJPA-1913:
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Attachment: OPENJPA-1913-enhancer-fix.patch
this small patch fixes a few errors I had in the enhancer section.
> If fetch-groups is used, detaching an entity will lead to all lazy loaded
> members get reset to null
> ---------------------------------------------------------------------------------------------------
>
> Key: OPENJPA-1913
> URL: https://issues.apache.org/jira/browse/OPENJPA-1913
> Project: OpenJPA
> Issue Type: Bug
> Components: kernel
> Affects Versions: 2.1.0
> Reporter: Mark Struberg
> Fix For: 2.2.0
>
> Attachments: OPENJPA-1913-enhancer-fix.patch, OPENJPA-1913-test.patch
>
>
> If I use openjpa.DetachState=fetch-groups and detach an entity with a lazy
> loaded list, this list gets reset to null.
> An example:
> class @Entity Person {
> private String name;
> @OneToMany(mappedBy = "group", cascade = {CascadeType.ALL})
> private List<Subscription> subscriptions = new ArrayList<Subscription>();
> ...}
> I load the Person and access the subscriptions inside a transaction. I get a
> person instance with e.g. 3 subscriptions.
> If I now close the EntityManager and my person gets detached, the
> subscriptions list is suddenly null!
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