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From Craig Russell <>
Subject Upgrade from 2.0.x to 2.1.x
Date Tue, 12 Jul 2011 18:45:59 GMT

I've written an extension to JDBCStoreManager that works well with OpenJPA 2.0 but fails with
OpenJPA 2.1.

The failure is when trying to traverse a one-one relationship where the relationship is set
to null. It looks like the fact that the related object is null (the referring oid in the
owning side has a null field in it) is the problem.

Was there a change in strategy from 2.0 to 2.1 in this area? I'm just looking for clues as
to how to fix my code.



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