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="primary">
		<non-jta-data-source>java:jboss/datasources/PhotozDS</non-jta-data-source>

		<class>org.keycloak.example.photoz.entity.Album</class>
		<class>org.keycloak.example.photoz.entity.Photo</class>

		<properties>
			<property name="hibernate.dialect" value="org.hibernate.dialect.MySQLDialect"/>
			<property name="hibernate.hbm2ddl.auto" value="update" />
			<property name="hibernate.show_sql" value="false" />
		</properties>
	</persistence-unit>
</persistence>