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https://issues.apache.org/jira/browse/OPENJPA-2010?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Work on OPENJPA-2010 started by Michael Dick.
> Duplicate meta data warning logged due to parsing the same location twice
> -------------------------------------------------------------------------
>
> Key: OPENJPA-2010
> URL: https://issues.apache.org/jira/browse/OPENJPA-2010
> Project: OpenJPA
> Issue Type: Bug
> Components: kernel
> Affects Versions: 2.0.1, 2.1.0
> Reporter: Michael Dick
> Assignee: Michael Dick
> Fix For: 2.0.2, 2.1.1, 2.2.0
>
>
> I've only seen this when entities are defined in an XML mapping file, and
> then only in some difficult to replicate classloader environments.
> The same XML mapping file may be parsed more than one time, resulting in a
> misleading warning message about duplicate metadata. The metadata is in fact
> identical, and does not indicate a problem.
> To detect this condition we can store the source file and line number where
> the meta data was defined, and only issue the warning if the metadata is
> defined in a different location.
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