[jbossseam-issues] [JBoss JIRA] Updated: (JBSEAM-3129) Could not set field value by reflection: Query.dataModel on: org.jboss.seam.framework.Query with value: class java.util.RandomAccessSubList

[Alex Savitsky (JIRA)]

     [ http://jira.jboss.com/jira/browse/JBSEAM-3129?page=all ]

Alex Savitsky updated JBSEAM-3129:
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    Attachment: TestJBSEAM-3129.zip

Extract to Eclipse with Maven plugin. Deploy on local Tomcat. Access the app, witness the exception.

This project uses a modified ManagedEntityIdentityInterceptor, the only changes to it are the ones from JBSEAM-1814 (isRef method), which doesn't affect the way the data models are handled. The RandomAccessSubList from the exception was verified to come from Query.truncResultList, and the failure point is MEII.getFromWrapper method (the Reflections.set call)

The TrinidadDataModels and EntityCollectionModel were largely taken from the seamdisks example in 2.0.2SP1

> Could not set field value by reflection: Query.dataModel on: org.jboss.seam.framework.Query with value: class java.util.RandomAccessSubList
> -------------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: JBSEAM-3129
>                 URL: http://jira.jboss.com/jira/browse/JBSEAM-3129
>             Project: Seam
>          Issue Type: Bug
>          Components: Framework
>    Affects Versions: 2.0.2.SP1
>         Environment: Tomcat 5.5, Hibernate EM 3.3.2, Trinidad 1.2.8
>            Reporter: Alex Savitsky
>         Attachments: TestJBSEAM-3129.zip
>
>
> Query.truncResultList may return a java.util.RandomAccessSubList class in some circumstances. This class is package private to java.util package, and cannot be later used in reflection, resulting in the above exception. The exception in question is thrown by the ManagedEntityIdentityInterceptor, while trying to "swizzle" the stored DataModel to/from the EntityQuery.

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