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https://issues.apache.org/jira/browse/OPENJPA-1707?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Pinaki Poddar reopened OPENJPA-1707:
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Please see my comment
> A warning message should be logged when a down level enhanced Entity is
> encountered.
> ------------------------------------------------------------------------------------
>
> Key: OPENJPA-1707
> URL: https://issues.apache.org/jira/browse/OPENJPA-1707
> Project: OpenJPA
> Issue Type: Improvement
> Components: kernel
> Affects Versions: 2.0.0, 2.1.0
> Reporter: Rick Curtis
> Assignee: Rick Curtis
> Fix For: 2.1.0
>
>
> Currently when PCEnhancer is called to enhance an Entity that was previous
> enhanced it will simply noop and move on. It could be smarter and use the
> PersistenceCapable.pcGetEnhancementContractVersion to detect and when an
> Entity has been enhanced with an older version of the enhancer and log a
> warning message. A similar change would also need to be made to
> PCClassFileTransformer.needsEnhance to perform the same sort of logic at
> runtime.
> This would be particularly helpful in the case where an application was
> compiled/enhanced/packaged and a bug was fixed in the enhancer but the
> pre-packaged app still has the bad bytecode.
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