jpa/employee/employee.model/src/main/resources/META-INF/persistence.xml

<?xml version="1.0" encoding="UTF-8"?>
<persistence version="2.1"
             xmlns="http://xmlns.jcp.org/xml/ns/persistence"
             xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
             xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/persistence http://xmlns.jcp.org/xml/ns/persistence/persistence_2_1.xsd">

	<persistence-unit name="employee" transaction-type="JTA">
		<jta-data-source>jdbc/employeeDS</jta-data-source>
		<class>eclipselink.example.jpa.employee.model.Address</class>
		<class>eclipselink.example.jpa.employee.model.Employee</class>
		<class>eclipselink.example.jpa.employee.model.PhoneNumber</class>
		<class>eclipselink.example.jpa.employee.model.EmploymentPeriod</class>
		<class>eclipselink.example.jpa.employee.model.GenderConverter</class>
		<properties>
			<property name="eclipselink.ddl-generation" value="drop-and-create-tables" />
			<property name="eclipselink.logging.level" value="FINE" />
			<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.logging.level.metadata" value="WARNING" />
			<property name="eclipselink.logging.parameters" value="true" />
			<property name="eclipselink.logging.logger" value="DefaultLogger" />
		</properties>
	</persistence-unit>
</persistence>