[hibernate-issues] [Hibernate-JIRA] Commented: (METAGEN-71) Metamodel check fails when subclasses are used

[Hardy Ferentschik (JIRA)]

    [ http://opensource.atlassian.com/projects/hibernate/browse/METAGEN-71?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=42998#comment-42998 ] 

Hardy Ferentschik commented on METAGEN-71:
------------------------------------------

The question is also whether this is an issue of the actual metamodel or of Hibernate Core (EntityManager) using it? Some more information would be great. Thanks :-)

> Metamodel check fails when subclasses are used
> ----------------------------------------------
>
>                 Key: METAGEN-71
>                 URL: http://opensource.atlassian.com/projects/hibernate/browse/METAGEN-71
>             Project: Hibernate Metamodel Generator
>          Issue Type: Bug
>          Components: processor
>    Affects Versions: 1.1.1.Final
>            Reporter: kk
>            Assignee: Hardy Ferentschik
>             Fix For: 1.2.next
>
>
> Situation:
> Class 'AbstractIntake' which has the field 'm_startDate'
> Class 'Intake' extends 'AbstractIntake'
> In Class 'AbstractIntake_.java" there is the line:
> 	public static volatile SingularAttribute<WorkOrder, MESDateField> m_startDate;
> 'm_startDate' is of type MESDateField which is an Embeddable object.
> Result:
> I get the following error when the metamodel is checked:
> Unable to locate static metamodel field : gti.domain.Intake_#m_startDate
> Expected:
> 'Intake_' subclasses 'AbstractIntake_' and therefore has access to the
> static variable 'm_startDate' (in AbstractIntake_). The errormessage is 
> therefore not valid!
> Hints:
> MESDateField is an Embeddable object.
> It seems to only to go wrong with Embeddable objects.
> Maybe the problem is in "MetadataContext.registerAttribute()'.
> There ONLY the getDeclaredField(name) of the class is checked but NOT the
> subclasses of that class!

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