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https://issues.apache.org/jira/browse/OPENJPA-1891?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12933755#action_12933755
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Xavi Arias commented on OPENJPA-1891:
-------------------------------------
The is only one jar in the classpath containing javax.persistence.Entity, that
is geronimo-jpa_3.0_spec-1.0.jar.
> PCEnhancer does not find meta data for entities using annotations
> -----------------------------------------------------------------
>
> Key: OPENJPA-1891
> URL: https://issues.apache.org/jira/browse/OPENJPA-1891
> Project: OpenJPA
> Issue Type: Bug
> Components: Enhance
> Affects Versions: 1.2.2
> Environment: Windows XP SP2
> Spring 2.5.6
> Tomcat 6.0.28
> Reporter: Xavi Arias
> Priority: Minor
>
> The problem comes while enhancing entities at runtime by the Spring load time
> weaver mechanism.
> Spring load time weaver is configured with
> "org.springframework.instrument.classloading.ReflectiveLoadTimeWeaver" and
> Tomcat webapp class loader with
> "org.springframework.instrument.classloading.tomcat.TomcatInstrumentableClassLoader".
> Everything works without any exception, but the enhancer does not find any
> entity meta data. The log message for every entity is the following:
> 18:09:24,431 WARN openjpa.Enhance - Type "class model.Contact" has no
> metadata; enhancing as persistence aware. If you intended for "class
> model.Contact" to be persistence-capable, then this means that OpenJPA could
> not find any metadata for "class model.Contact". This can happen if the
> directory containing your metadata is not in your CLASSPATH, or if your
> metadata files are not named properly. See the documentation on metadata
> placement for more information.
> After debugging, that the problem seems to come from the method
> parseClassAnnotations in AnnotationPersistenceMetaDataParser. The call to
> J2DoPriv5Helper.isAnnotationPresentAction(_cls, Entity.class) always return
> false, while the class is actually annotated as an entity. This is because
> the javax.persistence.Entity class passed as parameter is not the same as the
> one in the entity class annotation map, so the subsequent call to
> getAnnotation(Entity.class) always returns null.
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