> <persistence-unit name="jdbc/RDF"
> transaction-type="JTA">
> <jta-data-source>jdbc/RDF</jta-data-source>
I'm not certain that naming is valid. Try this instead just to see if it works:
<persistence-unit name="jdbcRDF" transaction-type="JTA">
Additionally, Sun's suggestions for persistence unit naming suggests ending the name in pu eg jdbcRDFpu, or something along those lines.
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