THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
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While the JPA 2.0 specification is backward compatible with JPA 1.0, there are some OpenJPA specific extensions that are not. By switching to a 2.0 persistence.xml, in some cases you may need to specify compatibility flags in order to get OpenJPA 1.0 behavior. See the migration considerations <link> section of the OpenJPA 2.0 x manual for additional information.
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