<persistence-unit name="allegroTransactionPersistenceUnit" transaction-type="RESOURCE_LOCAL">
    <provider>org.hibernate.ejb.HibernatePersistence</provider>
    <properties>
        <property name="hibernate.dialect" value="org.hibernate.dialect.MySQLDialect" />
        <property name="hibernate.connection.url" value="jdbc:mysql://localhost:3306/AllegroShop?UseUnicode=true&characterEncoding=utf8" />
        <property name="hibernate.connection.driver_class" value="com.mysql.jdbc.Driver" />
        <property name="hibernate.connection.username" value="topSecret" />
        <property name="hibernate.connection.password" value="topSecret" />
        <!-- <property name="hibernate.hbm2ddl.auto" value="create" /> -->
        <property name="hibernate.hbm2ddl.auto" value="create" />
        <property name="show_sql" value="true" />
        <property name="hibernate.hbm2ddl.import_files" value="/SQL/payment_type.sql"/>
        <property name="hibernate.connection.useUnicode" value="true" />
        <property name="hibernate.connection.characterEncoding" value="UTF-8" />
        <property name="hibernate.connection.charSet" value="UTF-8" />
    </properties>
</persistence-unit>

@PersistenceContext( unitName = "allegroTransactionPersistenceUnit", type= PersistenceContextType.EXTENDED )
protected EntityManager em;

public List<AllegroTransactionImpl> readAllegroTransactionByCreateDate()
{
    TypedQuery<AllegroTransactionImpl> query = this.em.createQuery( "SELECT allegroTransaction FROM com.springapp.mvc.classes.AllegroTransactionImpl allegroTransaction ORDER BY createDate DESC", AllegroTransactionImpl.class);
    return  query.getResultList();
}