jpa/eclipselink.jpa.test/resource/eclipselink-xml-extended-composite-advanced-model-member_2/server/persistence.xml

<persistence xmlns="http://java.sun.com/xml/ns/persistence" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/persistence persistence_1_0.xsd" version="1.0">
    <persistence-unit name="xml-composite-advanced-member_2" transaction-type="%%transaction-type%%">
        <provider>
            org.eclipse.persistence.jpa.PersistenceProvider
        </provider>
        <mapping-file>META-INF/advanced-extended-entity-mappings_2.xml</mapping-file>
        <%%datasource-type%%>%%data-source2-name%%</%%datasource-type%%>
        <exclude-unlisted-classes>false</exclude-unlisted-classes>
        <properties>
            <property name="eclipselink.target-database" value="%%database2-platform%%"/>
            <property name="eclipselink.composite-unit.member" value="true"/>
        </properties>
    </persistence-unit>
</persistence>