[hibernate-issues] [Hibernate-JIRA] Updated: (ANN-591) ConcurrentModificationException when collection of embeddable contains a collection

[Emmanuel Bernard (JIRA)]

     [ http://opensource.atlassian.com/projects/hibernate/browse/ANN-591?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Emmanuel Bernard updated ANN-591:
---------------------------------

         Priority: Minor  (was: Major)
    Fix Version/s:     (was: 3.3.1)
          Summary: ConcurrentModificationException when collection of embeddable contains a collection  (was: SchemaExport throws ConcurrentModificationException for entity containing list of lists)

Downgrading the bug, waiting for the underlying core issue

> ConcurrentModificationException when collection of embeddable contains a collection
> -----------------------------------------------------------------------------------
>
>                 Key: ANN-591
>                 URL: http://opensource.atlassian.com/projects/hibernate/browse/ANN-591
>             Project: Hibernate Annotations
>          Issue Type: Bug
>          Components: binder
>    Affects Versions: 3.2.1
>         Environment: Hibernate 3.2.1.GA, Oracle 10
>            Reporter: Ivan O'Connor
>            Priority: Minor
>         Attachments: annotdiff.txt, core-cme-secondpass.patch, corediff.txt, hbm2ddl.zip
>
>
> I have a class, let's call it A, that contains a List of class B. Each instance of B has a List of class C. I'm trying to generate the DDL for this, so I've annotated the code and run it through SchemaExport, which throws a ConcurrentModificationException. My environment: Java 1.5, Oracle 10, Hibernate 3.2.1ga.
> The problem seems to be caused by having an entity (A) containing an embedded collection (of B), each element of which contains a collection (of C). SchemaExport generates correct DDL when the annotations are modified to make B and/or C an entity, but not when they are both components. I realise this is considered something of an exotic case, but I'd like to know why the DDL doesn't generate.
> See bugReport.txt in attached zip for further details.

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