polyglot/nosql-pu/src/main/resources/META-INF/persistence.xml

<?xml version="1.0" encoding="UTF-8"?>
<persistence version="2.0" 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 http://java.sun.com/xml/ns/persistence/persistence_2_0.xsd">
    <persistence-unit name="mongo" transaction-type="RESOURCE_LOCAL">
        <class>model.Order</class>
        <class>model.OrderLine</class>
        <class>model.Address</class>
        <class>model.Customer</class>
        <properties>
            <property name="eclipselink.target-database" value="org.eclipse.persistence.nosql.adapters.mongo.MongoPlatform"/>
            <property name="eclipselink.nosql.connection-spec" value="org.eclipse.persistence.nosql.adapters.mongo.MongoConnectionSpec"/>
            <property name="eclipselink.nosql.property.mongo.port" value="27017"/>
            <property name="eclipselink.nosql.property.mongo.host" value="localhost"/>
            <property name="eclipselink.nosql.property.mongo.db" value="polyglot"/>
            <property name="eclipselink.logging.level" value="FINEST"/>
            <property name="eclipselink.logging.timestamp" value="false"/>
            <property name="eclipselink.logging.thread" value="false"/>
            <property name="eclipselink.logging.session" value="false"/>
            <property name="eclipselink.logging.exceptions" value="false"/>
            <property name="eclipselink.logging.connection" value="false"/>
 			<property name="eclipselink.composite-unit.member" value="true"/>
         </properties>
    </persistence-unit>
</persistence>