[hibernate-issues] [Hibernate-JIRA] Commented: (HHH-5142) Exception when initializing lazy @ManyToMany indexed collection containing not audited entities

[Adam Warski (JIRA)]

    [ http://opensource.atlassian.com/projects/hibernate/browse/HHH-5142?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=38159#action_38159 ] 

Adam Warski commented on HHH-5142:
----------------------------------

Hello, the patch looks good, but could you add a separate test that uses M2MIndexedListTargetNotAuditedEntity (instead of expanding the M2MRelationNotAuditedTarget test)? Also, in the separate test could you add some more checks, e.g. that the sorting works properly (add two elements in one rev, swap their positions in the next etc)?

> Exception when initializing lazy @ManyToMany indexed collection containing not audited entities
> -----------------------------------------------------------------------------------------------
>
>                 Key: HHH-5142
>                 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-5142
>             Project: Hibernate Core
>          Issue Type: Bug
>          Components: envers
>    Affects Versions: 3.5.1
>         Environment: Hibernate Core 3.5.1
>            Reporter: Vladimir Klyushnikov
>            Assignee: Adam Warski
>            Priority: Blocker
>         Attachments: HHH-5142.patch, testcase.zip
>
>
> Hi,
> I am getting exception when executing following code:
> {code}
> @Entity
> @Audited
> public class M2MIndexedListEntity {
>     ...
>     @ManyToMany(cascade = CascadeType.ALL)
>     @OrderColumn(name="sortOrder")
>     @Audited(targetAuditMode = RelationTargetAuditMode.NOT_AUDITED)
>     private List<NotAuditedEntity> list = new ArrayList<NotAuditedEntity>();
> }
> @Entity
> public class NotAuditedEntity {
> ...
> }
> ...
> M2MIndexedListEntity entity = (M2MIndexedListEntity) auditReader.createQuery()
>    .forRevisionsOfEntity(M2MIndexedListEntity.class, true, false)
>    .getSingleResult();
> assertEquals(1,entity.getList().size());
> {code}
> Stack trace is the following:
> {code}
> java.lang.ClassCastException: testapp.NotAuditedEntity cannot be cast to java.util.Map
> 	at org.hibernate.envers.entities.mapper.relation.lazy.initializor.ListCollectionInitializor.addToCollection(ListCollectionInitializor.java:67)
> 	at org.hibernate.envers.entities.mapper.relation.lazy.initializor.ListCollectionInitializor.addToCollection(ListCollectionInitializor.java:39)
> 	at org.hibernate.envers.entities.mapper.relation.lazy.initializor.AbstractCollectionInitializor.initialize(AbstractCollectionInitializor.java:67)
> 	at org.hibernate.envers.entities.mapper.relation.lazy.proxy.CollectionProxy.checkInit(CollectionProxy.java:50)
> 	at org.hibernate.envers.entities.mapper.relation.lazy.proxy.CollectionProxy.size(CollectionProxy.java:55)
> 	
> {code}
> I've attached a full test case. Unzip it, run *mvn test* and see test failing

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