Hack23/cia

<persistence 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"
    version="2.0">

    <persistence-unit name="##generated" transaction-type="RESOURCE_LOCAL">
        <provider>org.hibernate.jpa.HibernatePersistenceProvider</provider>
        <shared-cache-mode>ALL</shared-cache-mode>
        <properties>
             <property name="hibernate.hbm2ddl.auto" value="create-drop"/>
            <property name="hibernate.archive.autodetection" value="class" />
            <property name="hibernate.id.new_generator_mappings" value="true"/>
            <property name="hibernate.cache.default_cache_concurrency_strategy" value="TRANSACTIONAL"/>
        </properties>
    </persistence-unit>
</persistence>