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https://issues.apache.org/jira/browse/MYFACES-3724?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13692947#comment-13692947
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Alexey Shakov commented on MYFACES-3724:
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To avoid this error, collectionType-attribute must be specified for
<h:selectManyListbox> (e.g. collectionType="java.util.ArrayList"). This
attribute is new since MyFaces 2.x, I didn't know about it. So, the issue can
be closed
> MyFaces 2.x : HtmlSelectManyListbox does not work, if value points
> Hibernate-managed collection (i.e. PersistentBag)
> --------------------------------------------------------------------------------------------------------------------
>
> Key: MYFACES-3724
> URL: https://issues.apache.org/jira/browse/MYFACES-3724
> Project: MyFaces Core
> Issue Type: Bug
> Components: General
> Affects Versions: 2.1.11
> Reporter: Alexey Shakov
>
> _SharedRendererUtils.getConvertedUISelectManyValue(...) creates an instance
> of PersistentBag at line 268.
> LazyInitializationException comes later in
> UISelectMany._createItemValuesIterator at line 436.
> Works with Myfaces 1.2.12
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