...
Caused by: java.lang.NullPointerException
        at org.hibernate.cfg.Configuration.processFkSecondPassInOrder(Configuration.java:1415)
        at org.hibernate.cfg.Configuration.secondPassCompile(Configuration.java:1355)
        at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1724)
        at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1775)
        at org.springframework.orm.hibernate4.LocalSessionFactoryBuilder.buildSessionFactory(LocalSessionFactoryBuilder.java:184)
        at org.springframework.orm.hibernate4.LocalSessionFactoryBean.afterPropertiesSet(LocalSessionFactoryBean.java:314)
        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1514)
        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1452)
        ... 55 more

   <bean id="sessionFactory"
      class="org.springframework.orm.hibernate4.LocalSessionFactoryBean">
      <property name="dataSource" ref="dataSource" />
      <property name="mappingResources">
         <list>
            <value>abc.hbm.xml</value>
         </list>
      </property>
      <property name="annotatedClasses">
         <list>
            <value>com.abc.myapp.user.domain.User</value>
            ...
         </list>
      </property>
      <property name="hibernateProperties">
         <props>
            <prop key="hibernate.dialect">${hibernate.dialect}</prop>
            <prop key="hibernate.show_sql">${hibernate.show_sql}</prop>
            <prop key="hibernate.format_sql">${hibernate.format_sql}</prop>
            <prop key="hibernate.generate_statistics">${hibernate.generate_statistics}</prop>
            <prop key="hibernate.ejb.naming_strategy">org.hibernate.cfg.DefaultComponentSafeNamingStrategy
            </prop>
         </props>
      </property>
   </bean>