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From "Kevin Sutter (JIRA)" <j...@apache.org>
Subject [jira] [Created] (OPENJPA-2331) NPE during enhancement processing
Date Mon, 11 Feb 2013 15:27:14 GMT
Kevin Sutter created OPENJPA-2331:
-------------------------------------

             Summary: NPE during enhancement processing
                 Key: OPENJPA-2331
                 URL: https://issues.apache.org/jira/browse/OPENJPA-2331
             Project: OpenJPA
          Issue Type: Bug
          Components: Enhance
    Affects Versions: 2.0.1, 2.0.2, 2.0.3
            Reporter: Kevin Sutter


Based on a discussion in the Users mailing list:
http://openjpa.208410.n2.nabble.com/Request-for-help-in-fixing-an-issue-in-build-time-enhancement-td7582737.html

The user was migrating an application from Hibernate to OpenJPA.  The application used inheritance.
 The Hibernate mapping file did not have separate entity mappings for one of the parent entity
classes.  The tooling [1] generated an orm.xml file with attributes of the parent entity class
mixed in with the child class.  These errant attributes caused the issues with the enhancement
processing.

So, a combination of the migration tools along with the mixed up orm xml files led to these
errors.  But, still an NPE is not good and we should handle these conditions better.  Thus,
this JIRA...

[1]  http://openjpa.apache.org/migration-tool.html


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