hibernate多对多报错?报错

5个表，关系如下：

报错信息：

严重: Servlet.service() for servlet jsp threw exception
org.hibernate.MappingException: Foreign key (FKEE834461D63EFD3A:answersheet [surQue_id])) must have same number of columns as the referenced primary key (sur_que [survey_id,question_id])
	at org.hibernate.mapping.ForeignKey.alignColumns(ForeignKey.java:113)
	at org.hibernate.mapping.ForeignKey.alignColumns(ForeignKey.java:96)
	at org.hibernate.cfg.Configuration.secondPassCompileForeignKeys(Configuration.java:1310)
	at org.hibernate.cfg.Configuration.secondPassCompile(Configuration.java:1217)
	at org.hibernate.cfg.AnnotationConfiguration.secondPassCompile(AnnotationConfiguration.java:329)
	at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1333)
	at org.hibernate.cfg.AnnotationConfiguration.buildSessionFactory(AnnotationConfiguration.java:867)
	at com.util.HibernateSessionFactory.<clinit>(HibernateSessionFactory.java:21)
	at com.daoImpl.RoleDaoImpl.<init>(RoleDaoImpl.java:16)
	at org.apache.jsp.Login_jsp._jspService(Login_jsp.java:124)
	at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
	at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:388)
	at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:313)
	at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:260)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at com.util.ChinaFilter.doFilter(ChinaFilter.java:16)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)
	at org.apache.coyote.http11.Http11AprProcessor.process(Http11AprProcessor.java:879)
	at org.apache.coyote.http11.Http11AprProtocol$Http11ConnectionHandler.process(Http11AprProtocol.java:600)
	at org.apache.tomcat.util.net.AprEndpoint$Worker.run(AprEndpoint.java:1703)
	at java.lang.Thread.run(Thread.java:619)

具体请看：http://www.iteye.com/problems/97400