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From Simon Droscher <>
Subject Re: OpenJPA 2.0 vs 1.2
Date Mon, 22 Mar 2010 22:16:08 GMT

I had one small issue when upgrading that required a code change.

We are using property access, and I found OpenJPA 2.0.0-beta2 threw an error
when it encountered abstract @MappedSuperclass classes which didn't contain
any annotated properties. This worked fine under OpenJPA 1.2.x but 2.0.0
complains it can't determine the access type. I had to add
@Access(AccessType.PROPERTY) annotation to these classes.

I also found problems in a couple of cases where we were using the
Non-Standard Join Syntax

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