persistence.xml

/src/main/resources/META-INF/persistence.xml

<persistence xmlns="http://java.sun.com/xml/ns/persistence"
xmlns:xsi="http://www.w3.or/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/XML/ns/persistence http://java.sun.com/xml/ns/persistence_2_0.xsd"
version="2.0">

<persistence-unit name="punit"></persistence-unit>

</persistence>