<li>Different JPA providers can, in general, not be used within the same application. (an
exception is of course an OSGI environment when JPA is used as per the OSGI enterprise
spec). </li>
<li>Different JPA providers can, in general, not be used within the same application. (an
exception is of course an OSGI environment when JPA is used as per the OSGI enterprise
spec). </li>