Initialisierung der DB-Verbindung fehlgeschlagen. org.hibernate.HibernateException: Unable to instantiate default tuplizer [org.hibernate.tuple.entity.PojoEntityTuplizer]
org.hibernate.HibernateException: Unable to instantiate default tuplizer [org.hibernate.tuple.entity.PojoEntityTuplizer]
   at org.hibernate.tuple.entity.EntityTuplizerFactory.constructTuplizer(EntityTuplizerFactory.java:110)
   at org.hibernate.tuple.entity.EntityTuplizerFactory.constructDefaultTuplizer(EntityTuplizerFactory.java:135)
   at org.hibernate.tuple.entity.EntityEntityModeToTuplizerMapping.<init>(EntityEntityModeToTuplizerMapping.java:80)
   at org.hibernate.tuple.entity.EntityMetamodel.<init>(EntityMetamodel.java:323)
   at org.hibernate.persister.entity.AbstractEntityPersister.<init>(AbstractEntityPersister.java:475)
   at org.hibernate.persister.entity.SingleTableEntityPersister.<init>(SingleTableEntityPersister.java:133)
   at org.hibernate.persister.PersisterFactory.createClassPersister(PersisterFactory.java:84)
   at org.hibernate.impl.SessionFactoryImpl.<init>(SessionFactoryImpl.java:295)
   at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1385)
   at calculator.ComponentManager.initialise(ComponentManager.java:42)

this.sessionFactoryLocal = new Configuration().configure("/calculator/container.cfg.xml").buildSessionFactory();

<?xml version="1.0" encoding="UTF-8"?>
<!--
    Document   : hibernate.cfg.xml
    Created on : 2006年5月13日, 上午12:11
    Author     : daiwei
    Description:
        Purpose of the document follows.
-->
<!DOCTYPE hibernate-configuration PUBLIC
       "-//Hibernate/Hibernate Configuration DTD 3.0//EN"
       "http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd">
<hibernate-configuration>
    <session-factory>
        <property name="hibernate.connection.username">lomcalc</property>
        <property name="hibernate.connection.password">lomcalc</property>
        <property name="dialect">org.hibernate.dialect.MySQLDialect</property>
        <property name="hibernate.connection.url">jdbc:mysql://localhost/localhibernate</property>
        <property name="hibernate.connection.driver_class">com.mysql.jdbc.Driver</property>
       <property name="hiberante.show_sql">true</property>
       
       <!-- Enable Hibernate's automatic session context management -->

        <property name="current_session_context_class">thread</property>

       <!-- Drop and re-create the database schema on startup -->
         <property name="hbm2ddl.auto">update</property>

       
        <!-- Disable the second-level cache  -->

        <property name="cache.provider_class">org.hibernate.cache.NoCacheProvider</property>




      <!--
     
      -->   
        <mapping resource="calculator/CalcComponent.hbm.xml" ></mapping>
   
    <mapping resource="calculator/LOMRankingNames.hbm.xml" ></mapping>
   
     
    </session-factory>
</hibernate-configuration>

<?xml version="1.0"?>
<!DOCTYPE hibernate-mapping PUBLIC
   "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
   "http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">
<hibernate-mapping>
<class name="calculator.CalcComponent" table="calcComponents">

    <id name="id"  column="COMPONENT_ID">

        <generator class="native"/>

    </id>

    <discriminator column="COMPONENT_TYPE" type="string"/>

    <property name="typ" column="TYP"/>

   

    <subclass name="calculator.AddComponent" discriminator-value="Addition">

          <property name="name" column='COMPONENT_NAME'></property>
              <property name="finaleFormel" column='FINALE_FORMEL'></property>
     <property name="iconAddress" column='ICON_ADDRESS'></property>
     <many-to-one name="leftComponent" column='LEFT_COMPONENT_ID' class="calculator.CalcComponent">
     </many-to-one>
     <many-to-one name="rightComponent" column='RIGHT_COMPONENT_ID' class="calculator.CalcComponent"></many-to-one>
<property name="finalComponent" column='FINAL_COMPONENT'></property>
    </subclass>
   
  <subclass name="calculator.SubComponent" discriminator-value="Subtraktion">

          <property name="name" column='COMPONENT_NAME'></property>
          <property name="finaleFormel" column='FINALE_FORMEL'></property>
     <property name="iconAddress" column='ICON_ADDRESS'></property>
     <many-to-one name="leftComponent" column='LEFT_COMPONENT_ID' class="calculator.CalcComponent"></many-to-one>
     <many-to-one name="rightComponent" column='RIGHT_COMPONENT_ID' class="calculator.CalcComponent"></many-to-one>
     <property name="finalComponent" column='FINAL_COMPONENT'></property>

    </subclass>
    <subclass name="calculator.DivComponent" discriminator-value="Division">

          <property name="name" column='COMPONENT_NAME'></property>
          <property name="finaleFormel" column='FINALE_FORMEL'></property>
     <property name="iconAddress" column='ICON_ADDRESS'></property>
     <many-to-one name="leftComponent" column='LEFT_COMPONENT_ID' class="calculator.CalcComponent"></many-to-one>
     <many-to-one name="rightComponent" column='RIGHT_COMPONENT_ID' class="calculator.CalcComponent"></many-to-one>
     <property name="finalComponent" column='FINAL_COMPONENT'></property>

    </subclass>
      <subclass name="calculator.MulComponent" discriminator-value="Multiplikation">

          <property name="name" column='COMPONENT_NAME'></property>
          <property name="finaleFormel" column='FINALE_FORMEL'></property>
     <property name="iconAddress" column='ICON_ADDRESS'></property>
     <many-to-one name="leftComponent" column='LEFT_COMPONENT_ID' class="calculator.CalcComponent"></many-to-one>
     <many-to-one name="rightComponent" column='RIGHT_COMPONENT_ID' class="calculator.CalcComponent"></many-to-one>
     <property name="finalComponent" column='FINAL_COMPONENT'></property>

    </subclass>
      <subclass name="calculator.DataComponent" discriminator-value   ="Daten">

       <property name="scoringMethod" column='SCORING_METHOD'></property>
      <property name="lomObjectType" column='LOM_OBJECT_TYPE'></property>
      
    </subclass>
          <subclass name="calculator.NumberComponent" discriminator-value="Zahl">

      <property name="number" column='NUMBER_VALUE'></property>
    </subclass>
</class>

</hibernate-mapping>

<?xml version="1.0"?>
<!DOCTYPE hibernate-mapping PUBLIC
   "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
   "http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">
<hibernate-mapping>

  <class name="calculator.LOMRankingNames" table="LOMRANKINGNAMES">
 
    <id name="id"  column="RANKINGID">

        <generator class="native"/>

    </id>
     
     <property name="name" column='RANKING_NAME'></property>


  </class>
</hibernate-mapping>