ImageTools/src/main/resources/hibernate.cfg.xml

<?xml version='1.0' encoding='utf-8'?>
<!DOCTYPE hibernate-configuration PUBLIC
    "-//Hibernate/Hibernate Configuration DTD//EN"
    "http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd">
<hibernate-configuration>
  <!-- a SessionFactory instance listed as /jndi/name -->
  <session-factory>

    <!-- properties -->
    <property name="hibernate.connection.driver_class">org.h2.Driver</property>
    <!--<property name="hibernate.connection.connection.url">jdbc:h2:imageTools.db</property>-->
    <property name="hibernate.dialect">org.hibernate.dialect.H2Dialect</property>
    <property name="hibernate.show_sql">false</property>
    <property name="hibernate.generate_statistics"></property>
    <property name="hibernate.use_sql_comments"></property>
    <!--<property name="transaction.factory_class">
        org.hibernate.transaction.JTATransactionFactory
    </property>-->
    <property name="jta.UserTransaction">java:comp/UserTransaction</property>

    <property name="hibernate.hbm2ddl.auto">update</property>

    <!-- Enable Hibernate's automatic session context management -->
    <property name="hibernate.current_session_context_class">thread</property>

    <!-- Enable the second-level cache  -->
    <property name="hibernate.cache.region.factory_class">org.hibernate.cache.ehcache.EhCacheRegionFactory</property>
    <property name="hibernate.cache.region.factory_class">org.hibernate.cache.ehcache.SingletonEhCacheRegionFactory</property>
    <property name="hibernate.cache.use_second_level_cache">true</property>

    <property name="c3p0.acquire_increment">1</property>
    <property name="c3p0.idle_test_period">100</property> <!-- seconds -->
    <property name="c3p0.max_size">50</property>
    <property name="c3p0.max_statements">0</property>
    <property name="c3p0.min_size">5</property>
    <property name="c3p0.timeout">100</property> <!-- seconds -->

    <!-- mapping files -->
    <mapping resource="hibernate/Image.hbm.xml"/>
    <mapping resource="hibernate/ImageHash.hbm.xml"/>

    <!-- cache settings -->
    <!--<class-cache class="org.hibernate.auction.Item" usage="read-write"/>
    <class-cache class="org.hibernate.auction.Bid" usage="read-only"/>
    <collection-cache collection="org.hibernate.auction.Item.bids" usage="read-write"/>-->
  </session-factory>
</hibernate-configuration>