Exception thrown when enhancing a (property access) class that has an abstract
@MappedSuperclass with no annotated properties
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Key: OPENJPA-1613
URL: https://issues.apache.org/jira/browse/OPENJPA-1613
Project: OpenJPA
Issue Type: Bug
Components: kernel
Affects Versions: 2.0.0-beta3, 2.0.0-beta2
Reporter: Simon Droscher
If you have a class (using property access) that has an abstract
@MappedSuperclass that happens to have no annotated methods, you get the
following exception when enhancing:
org.apache.openjpa.util.MetaDataException: "implicit property access" for class
"org.apache.openjpa.persistence.simple.SubclassPerson" is not consistent with
"implicit field access" used by its persistent superclass
"org.apache.openjpa.persistence.simple.AbstractSuperclass". All persistent
classes in an inheritance hierarchy must use a single implicit field or
property based access style or explicitly declare an access style.
Presumably the enhancer is deciding incorrectly that the superclass is using
field access. A workaround is to annotate the superclass with
@Access(AccessType.PROPERTY) so the enhancer doesn't make this assumption, but
that is not JPA 1.0 backwards compatible.
This did not occur in any of the OpenJPA 1.* versions
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