Caused by: java.lang.ExceptionInInitializerError
   at biz.easyec.business.DMIService.saveUser(DMIService.java:177)
   at biz.easyec.web.action.UserListAction.save_onClick(UserListAction.java:77)
   ... 36 more
Caused by: java.lang.RuntimeException: Configuration problem: identifier mapping has wrong number of columns: biz.easyec.business.value.hibernate.MemberTrading type: biz.easyec.business.value.hibernate.MemberTraadingPK
   at biz.easyec.dao.HibernateUtil.<clinit>(HibernateUtil.java:22)
   ... 38 more
Caused by: net.sf.hibernate.MappingException: identifier mapping has wrong number of columns: biz.easyec.business.value.hibernate.MemberTrading type: biz.easyec.business.value.hibernate.MemberTradingPK
   at net.sf.hibernate.mapping.RootClass.validate(RootClass.java:201)
   at net.sf.hibernate.cfg.Configuration.validate(Configuration.java:605)
   at net.sf.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:762)
   at biz.easyec.dao.HibernateUtil.<clinit>(HibernateUtil.java:19)
   ... 38 more

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 2.0//EN"
                                   "http://hibernate.sourceforge.net/hibernate-mapping-2.0.dtd">
<hibernate-mapping>
<!--
    Created by the Middlegen Hibernate plugin

    http://boss.bekk.no/boss/middlegen/
    http://hibernate.sourceforge.net/
-->
<class name="biz.easyec.business.value.hibernate.MemberTrading" table="MEMBER_TRADING">
  <composite-id
   class="biz.easyec.business.value.hibernate.MemberTradingPK"
   name="comp_id" unsaved-value="none">
   <!-- bi-directional many-to-one association to MemberDocument -->
   <key-many-to-one name="memberDocument" class="biz.easyec.business.value.hibernate.MemberDocument">
    <column name="IDMEMBER"/>
    <column name="IDINDUSTRY"/>
    <column name="CHAPPLICATION"/>
    <column name="CHDOCUMENT"/>
    <column name="CHDIRECTION"/>
   </key-many-to-one>
   <!-- bi-directional many-to-one association to Member -->
   <key-many-to-one name="member" class="biz.easyec.business.value.hibernate.Member">
    <column name="IDPARTNER"/>
   </key-many-to-one>
  </composite-id>
</class>
</hibernate-mapping>