try {
            EntityTransaction tx = getEntityManager().getTransaction();
            tx.begin();
            getEntityManager().persist(entity);
            tx.commit();
        } catch (RuntimeException re) {
            throw re;
        }finally {
            getEntityManager().close();
            EntityManagerFactoryManager.getInstance().close();
        }

<?xml version="1.0" encoding="UTF-8"?>
<persistence version="1.0" 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_1_0.xsd">
    <persistence-unit name="DataServices" transaction-type="RESOURCE_LOCAL">
        <provider>org.hibernate.ejb.HibernatePersistence</provider>
        <non-jta-data-source>jdbc/sbnDataSource</non-jta-data-source>
                                                      more classes....
        <class>govonca.lrc.moe.sbn.internal.jpa.Application</class>
                                                    more classes....
        <exclude-unlisted-classes>true</exclude-unlisted-classes>
        <properties>
            <property name="hibernate.dialect" value="org.hibernate.dialect.Oracle10gDialect" />
            <property name="hibernate.connection.autocommit" value="true" />
            <property name="hibernate.show_sql" value="true" />
        </properties>
    </persistence-unit>
</persistence>