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https://issues.jboss.org/browse/RF-12608?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12740658#comment-12740658
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Ken H commented on RF-12608:
----------------------------
Juraj,
I have updated the test and made a pull request for the changes. There are two
tests in the index page, Alpha and Beta. To run a test, change the select items
and click save. The only difference between the two is that Beta has
collectionType defined.
You should see the following:
With 4.2.3.Final and 4.3.0.M2:
* Changing Alpha and saving results in an exception
* Changing Beta and saving works without issue
With 4.2.0.Final
* Changing Alpha and saving works without issue
* Changing Beta does not work correctly (Note: This was unexpected, I am unsure
why collectionType does not work in 4.2 but it is unrelated to this issue)
I will update the description with the full stack trace.
> pickList without collectionType results in failure to lazily load
> -----------------------------------------------------------------
>
> Key: RF-12608
> URL: https://issues.jboss.org/browse/RF-12608
> Project: RichFaces
> Issue Type: Bug
> Security Level: Public(Everyone can see)
> Affects Versions: 4.2.3.Final, 4.3.0.M2
> Reporter: Ken H
> Assignee: Juraj Húska
> Labels: regression, waiting_on_user
>
> Changes to the selectManyHelper class in 4.2.3+ causes a lazy loading
> exception in hibernate when the backing collection is persistent and is not
> eagerly loaded.
> The problem seems to be that fetching the collection in
> SelectManyHelper.getConvertedValue bypasses the PersistentSet getter that
> would normally issue the lazy load request.
> Defining the collectionType (e.g. java.util.ArrayList) bypasses this issue.
> Ideally this method would detect Hibernate proxy collections and handle them
> appropriately. However, I realize that may cause a dependency so perhaps it
> would be enough to document this option and situation in the component
> reference.
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