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https://issues.apache.org/jira/browse/CAY-2704?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Nikita Timofeev reassigned CAY-2704:
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Assignee: Nikita Timofeev
> Vertical inheritance with Embeddedables looses ObjAttribute information
> -----------------------------------------------------------------------
>
> Key: CAY-2704
> URL: https://issues.apache.org/jira/browse/CAY-2704
> Project: Cayenne
> Issue Type: Bug
> Components: Core Library
> Affects Versions: 4.2.M3
> Reporter: Roland Szabó
> Assignee: Nikita Timofeev
> Priority: Major
> Fix For: 4.2.B1
>
>
> I tried to implement a simple vertical inheritance with two object entities.
> The super entity has an Embeddable as one of its object attribute with no
> attribute overrides.
> I noticed the problem when trying to #validateForSave in the child entity.
> The ObjEntity#getAttributes call collect all the attributes, and also
> consults the super entity, but in ObjEntity#appendAttributes it creates a
> copy of the attribute descriptor. When doing this, it creates a uniform
> ObjAttribute, independent of the original type (eg. EmbeddedAttribute).
> Later, the validation method makes an exception for embedded attributes, but
> in my case, this exception does not get triggered and results in a
> CayenneRuntimeException thrown because the "ObjAttribute does not have a
> corresponding DbAttribute".
> I also get this error in the Modeler, and this seems to me a bug.
> Also, I'm using 4.2.M2, but there is no such version here in Jira... :)
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