java.lang.String cannot be cast to java.util.Date

java.lang.ClassCastException: java.lang.String cannot be cast to java.util.Dateat org.hibernate.type.TimestampType.deepCopyNotNull(TimestampType.java:64)at org.hibernate.type.MutableType.deepCopy(MutableType.java:25)at org.hibernate.type.TypeFactory.deepCopy(TypeFactory.java:290)at org.hibernate.event.def.AbstractSaveEventListener.performSaveOrReplicate(AbstractSaveEventListener.java:227)at org.hibernate.event.def.AbstractSaveEventListener.performSave(AbstractSaveEventListener.java:160)at org.hibernate.event.def.AbstractSaveEventListener.saveWithGeneratedId(AbstractSaveEventListener.java:108)at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.saveWithGeneratedOrRequestedId(DefaultSaveOrUpdateEventListener.java:184)at org.hibernate.event.def.DefaultSaveEventListener.saveWithGeneratedOrRequestedId(DefaultSaveEventListener.java:33)at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.entityIsTransient(DefaultSaveOrUpdateEventListener.java:173)at org.hibernate.event.def.DefaultSaveEventListener.performSaveOrUpdate(DefaultSaveEventListener.java:27)at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.onSaveOrUpdate(DefaultSaveOrUpdateEventListener.java:69)at org.hibernate.impl.SessionImpl.save(SessionImpl.java:481)at org.hibernate.impl.SessionImpl.save(SessionImpl.java:476)at com.challenger.core.base.dao.hibernate.HibernateDaoHelper.save(HibernateDaoHelper.java:43)at com.challenger.core.base.dao.hibernate.HibernateBaseDaoImpl.save(HibernateBaseDaoImpl.java:52)at com.challenger.ycww.special.networks.web.business.NetWorksBusinessImpl.saveSatisfaction(NetWorksBusinessImpl.java:210)at com.challenger.ycww.special.networks.web.action.NetWorksInitAction.saveSatisfaction(NetWorksInitAction.java:161)at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)at java.lang.reflect.Method.invoke(Method.java:597)at org.apache.struts.actions.DispatchAction.dispatchMethod(DispatchAction.java:274)at org.apache.struts.actions.DispatchAction.execute(DispatchAction.java:194)at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:419)at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:224)at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1194)at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:432)at javax.servlet.http.HttpServlet.service(HttpServlet.java:637)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.challenger.core.lang.filter.EncodingFilter.doFilter(EncodingFilter.java:46)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:102)at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298)at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:859)at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:588)at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)at java.lang.Thread.run(Thread.java:619)

 

备注：这个是由于我的映射文件类型没有写对。*.hbm.xml