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http://opensource.atlassian.com/projects/hibernate/browse/HHH-5024?page=c...
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Steve Ebersole commented on HHH-5024:
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Interestingly enough the attached test case actually passes! Thats because the
MappedSuperclass is also the MappedSuperclass for an entity. Entities are processed
before the embeddables, and are processed correctly. So by the time we get to the
{{CustomerId}} embeddable here the {{AbstractIdentity_}} class has already been populated
MetadataContext#registerAttribute does not recognize inherited
fields
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Key: HHH-5024
URL:
http://opensource.atlassian.com/projects/hibernate/browse/HHH-5024
Project: Hibernate Core
Issue Type: Bug
Components: entity-manager, metamodel
Affects Versions: 3.5.0-CR-2, 3.5.1, 4.0.0.Final
Environment: Hibernate 3.5.0-CR-2, JPA Modelgen 1.0.0-CR-1
Reporter: Adrian Hummel
Assignee: Steve Ebersole
Priority: Critical
Attachments: bugreport.zip
The embeddable class {{CustomerId}} (see attached ZIP) inherits from the base class
{{AbstractIdentity}} (annotated with {{@MappedSuperclass}}). The metamodel classes for
these two classes are correctly generated:
{code:title=AbstractIdentity_.java|borderStyle=solid}
import javax.persistence.metamodel.SingularAttribute;
import javax.persistence.metamodel.StaticMetamodel;
@StaticMetamodel(AbstractIdentity.class)
public abstract class AbstractIdentity_ {
public static volatile SingularAttribute<AbstractIdentity, String> id;
}
{code}
and
{code:title=CustomerId_.java|borderStyle=solid}
import javax.persistence.metamodel.StaticMetamodel;
@StaticMetamodel(CustomerId.class)
public abstract class CustomerId_ extends AbstractIdentity_ {
}
{code}
When building the entity manager factory, {{MetadataContext#registerAttribute}} (line
378) tries to resolve the field {{CustomerId_.id}} using {{Class#getDeclaredField}}. This
results in a {{NoSuchFieldException}} because the field is declared in the super class
{{AbstractIdentity_}}.
Proposed solution: Since all field declarations in the metamodel are public, the
{{Class#getField}} method should be used instead.
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