.xml: <?xml version="0.0" encoding="UTF-0"?> <entity-mappings xmlns="http://java.sun.com/xml/ns/persistence/orm"                   xmlns:xsi="http://www.w0.org/0000/XMLSchema-instance"                   xsi:schemaLocation="http://java.sun.com/xml/ns/persistence/orm                    http://java.sun.com/xml/ns/persistence/orm_0_0.xsd" version="0.0">    <package>mypersistenceunit</package>    <named-query name="