西安交通大学的错误日志
西安交大的网站报错了，记录下出错日志，改天研究一下。
HTTP Status 500 -type Exception reportmessagedescription The server encountered an internal error () that prevented it from fulfilling this request.exceptionjavax.servlet.ServletException: org.springframework.dao.DataAccessResourceFailureException: Hibernate operation: could not execute query; SQL [select jdsyscateg0_.flbh as flbh12_, jdsyscateg0_.flmc as flmc12_, jdsyscateg0_.fulbh as fulbh12_, jdsyscateg0_.glbh as glbh12_, jdsyscateg0_.yxgjz as yxgjz12_, jdsyscateg0_.gjzts as gjzts12_, jdsyscateg0_.yxtp as yxtp12_, jdsyscateg0_.tpts as tpts12_, jdsyscateg0_.yxzw as yxzw12_, jdsyscateg0_.zwts as zwts12_, jdsyscateg0_.cjsj as cjsj12_, jdsyscateg0_.cjr as cjr12_, jdsyscateg0_.cjrip as cjrip12_, jdsyscateg0_.sfqy as sfqy12_, jdsyscateg0_.by2 as by15_12_ from jd_sys_category jdsyscateg0_ where jdsyscateg0_.fulbh=1]; No operations allowed after connection closed.Connection was closed due to the following exception:** BEGIN NESTED EXCEPTION ** java.sql.SQLExceptionMESSAGE: Communication link failure: java.io.EOFException, underlying cause: null** BEGIN NESTED EXCEPTION ** java.io.EOFExceptionSTACKTRACE:java.io.EOFExceptionat com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:1388)at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:1532)at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:1923)at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1163)at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1272)at com.mysql.jdbc.Connection.execSQL(Connection.java:2236)at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1555)at org.hibernate.jdbc.AbstractBatcher.getResultSet(AbstractBatcher.java:139)at org.hibernate.loader.Loader.getResultSet(Loader.java:1669)at org.hibernate.loader.Loader.doQuery(Loader.java:662)at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:224)at org.hibernate.loader.Loader.doList(Loader.java:2145)at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2029)at org.hibernate.loader.Loader.list(Loader.java:2024)at org.hibernate.loader.criteria.CriteriaLoader.list(CriteriaLoader.java:94)at org.hibernate.impl.SessionImpl.list(SessionImpl.java:1533)at org.hibernate.impl.CriteriaImpl.list(CriteriaImpl.java:283)at org.springframework.orm.hibernate3.HibernateTemplate$37.doInHibernate(HibernateTemplate.java:988)at org.springframework.orm.hibernate3.HibernateTemplate.execute(HibernateTemplate.java:366)at org.springframework.orm.hibernate3.HibernateTemplate.findByCriteria(HibernateTemplate.java:978)at edu.xjtu.impl.DaoHibernateImpl.findByCriteria(DaoHibernateImpl.java:108)at edu.xjtu.struts.action.Index2Action.left(Index2Action.java:276)at edu.xjtu.struts.action.Index2Action.detail(Index2Action.java:291)at sun.reflect.GeneratedMethodAccessor162.invoke(Unknown Source)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:270)at org.apache.struts.actions.DispatchAction.execute(DispatchAction.java:187)at org.springframework.web.struts.DelegatingActionProxy.execute(DelegatingActionProxy.java:110)at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:431)at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:236)at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196)at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:414)at javax.servlet.http.HttpServlet.service(HttpServlet.java:617)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 edu.xjtu.filter.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:27)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:128)at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:568)at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286)at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:845)at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)at java.lang.Thread.run(Thread.java:619)** END NESTED EXCEPTION **STACKTRACE:java.sql.SQLException: Communication link failure: java.io.EOFException, underlying cause: null** BEGIN NESTED EXCEPTION ** java.io.EOFExceptionSTACKTRACE:java.io.EOFExceptionat com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:1388)at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:1532)at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:1923)at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1163)at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1272)at com.mysql.jdbc.Connection.execSQL(Connection.java:2236)at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1555)at org.hibernate.jdbc.AbstractBatcher.getResultSet(AbstractBatcher.java:139)at org.hibernate.loader.Loader.getResultSet(Loader.java:1669)at org.hibernate.loader.Loader.doQuery(Loader.java:662)at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:224)at org.hibernate.loader.Loader.doList(Loader.java:2145)at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2029)at org.hibernate.loader.Loader.list(Loader.java:2024)at org.hibernate.loader.criteria.CriteriaLoader.list(CriteriaLoader.java:94)at org.hibernate.impl.SessionImpl.list(SessionImpl.java:1533)at org.hibernate.impl.CriteriaImpl.list(CriteriaImpl.java:283)at org.springframework.orm.hibernate3.HibernateTemplate$37.doInHibernate(HibernateTemplate.java:988)at org.springframework.orm.hibernate3.HibernateTemplate.execute(HibernateTemplate.java:366)at org.springframework.orm.hibernate3.HibernateTemplate.findByCriteria(HibernateTemplate.java:978)at edu.xjtu.impl.DaoHibernateImpl.findByCriteria(DaoHibernateImpl.java:108)at edu.xjtu.struts.action.Index2Action.left(Index2Action.java:276)at edu.xjtu.struts.action.Index2Action.detail(Index2Action.java:291)at sun.reflect.GeneratedMethodAccessor162.invoke(Unknown Source)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:270)at org.apache.struts.actions.DispatchAction.execute(DispatchAction.java:187)at org.springframework.web.struts.DelegatingActionProxy.execute(DelegatingActionProxy.java:110)at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:431)at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:236)at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196)at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:414)at javax.servlet.http.HttpServlet.service(HttpServlet.java:617)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 edu.xjtu.filter.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:27)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:128)at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:568)at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286)at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:845)at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)at java.lang.Thread.run(Thread.java:619)** END NESTED EXCEPTION **at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:1707)at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:1923)at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1163)at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1272)at com.mysql.jdbc.Connection.execSQL(Connection.java:2236)at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1555)at org.hibernate.jdbc.AbstractBatcher.getResultSet(AbstractBatcher.java:139)at org.hibernate.loader.Loader.getResultSet(Loader.java:1669)at org.hibernate.loader.Loader.doQuery(Loader.java:662)at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:224)at org.hibernate.loader.Loader.doList(Loader.java:2145)at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2029)at org.hibernate.loader.Loader.list(Loader.java:2024)at org.hibernate.loader.criteria.CriteriaLoader.list(CriteriaLoader.java:94)at org.hibernate.impl.SessionImpl.list(SessionImpl.java:1533)at org.hibernate.impl.CriteriaImpl.list(CriteriaImpl.java:283)at org.springframework.orm.hibernate3.HibernateTemplate$37.doInHibernate(HibernateTemplate.java:988)at org.springframework.orm.hibernate3.HibernateTemplate.execute(HibernateTemplate.java:366)at org.springframework.orm.hibernate3.HibernateTemplate.findByCriteria(HibernateTemplate.java:978)at edu.xjtu.impl.DaoHibernateImpl.findByCriteria(DaoHibernateImpl.java:108)at edu.xjtu.struts.action.Index2Action.left(Index2Action.java:276)at edu.xjtu.struts.action.Index2Action.detail(Index2Action.java:291)at sun.reflect.GeneratedMethodAccessor162.invoke(Unknown Source)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:270)at org.apache.struts.actions.DispatchAction.execute(DispatchAction.java:187)at org.springframework.web.struts.DelegatingActionProxy.execute(DelegatingActionProxy.java:110)at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:431)at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:236)at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196)at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:414)at javax.servlet.http.HttpServlet.service(HttpServlet.java:617)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 edu.xjtu.filter.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:27)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:128)at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:568)at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286)at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:845)at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)at java.lang.Thread.run(Thread.java:619)** END NESTED EXCEPTION **; nested exception is java.sql.SQLException: No operations allowed after connection closed.Connection was closed due to the following exception:** BEGIN NESTED EXCEPTION ** java.sql.SQLExceptionMESSAGE: Communication link failure: java.io.EOFException, underlying cause: null** BEGIN NESTED EXCEPTION ** java.io.EOFExceptionSTACKTRACE:java.io.EOFExceptionat com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:1388)at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:1532)at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:1923)at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1163)at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1272)at com.mysql.jdbc.Connection.execSQL(Connection.java:2236)at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1555)at org.hibernate.jdbc.AbstractBatcher.getResultSet(AbstractBatcher.java:139)at org.hibernate.loader.Loader.getResultSet(Loader.java:1669)at org.hibernate.loader.Loader.doQuery(Loader.java:662)at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:224)at org.hibernate.loader.Loader.doList(Loader.java:2145)at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2029)at org.hibernate.loader.Loader.list(Loader.java:2024)at org.hibernate.loader.criteria.CriteriaLoader.list(CriteriaLoader.java:94)at org.hibernate.impl.SessionImpl.list(SessionImpl.java:1533)at org.hibernate.impl.CriteriaImpl.list(CriteriaImpl.java:283)at org.springframework.orm.hibernate3.HibernateTemplate$37.doInHibernate(HibernateTemplate.java:988)at org.springframework.orm.hibernate3.HibernateTemplate.execute(HibernateTemplate.java:366)at org.springframework.orm.hibernate3.HibernateTemplate.findByCriteria(HibernateTemplate.java:978)at edu.xjtu.impl.DaoHibernateImpl.findByCriteria(DaoHibernateImpl.java:108)at edu.xjtu.struts.action.Index2Action.left(Index2Action.java:276)at edu.xjtu.struts.action.Index2Action.detail(Index2Action.java:291)at sun.reflect.GeneratedMethodAccessor162.invoke(Unknown Source)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:270)at org.apache.struts.actions.DispatchAction.execute(DispatchAction.java:187)at org.springframework.web.struts.DelegatingActionProxy.execute(DelegatingActionProxy.java:110)at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:431)at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:236)at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196)at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:414)at javax.servlet.http.HttpServlet.service(HttpServlet.java:617)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 edu.xjtu.filter.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:27)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:128)at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:568)at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286)at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:845)at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)at java.lang.Thread.run(Thread.java:619)** END NESTED EXCEPTION **STACKTRACE:java.sql.SQLException: Communication link failure: java.io.EOFException, underlying cause: null** BEGIN NESTED EXCEPTION ** java.io.EOFExceptionSTACKTRACE:java.io.EOFExceptionat com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:1388)at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:1532)at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:1923)at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1163)at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1272)at com.mysql.jdbc.Connection.execSQL(Connection.java:2236)at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1555)at org.hibernate.jdbc.AbstractBatcher.getResultSet(AbstractBatcher.java:139)at org.hibernate.loader.Loader.getResultSet(Loader.java:1669)at org.hibernate.loader.Loader.doQuery(Loader.java:662)at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:224)at org.hibernate.loader.Loader.doList(Loader.java:2145)at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2029)at org.hibernate.loader.Loader.list(Loader.java:2024)at org.hibernate.loader.criteria.CriteriaLoader.list(CriteriaLoader.java:94)at org.hibernate.impl.SessionImpl.list(SessionImpl.java:1533)at org.hibernate.impl.CriteriaImpl.list(CriteriaImpl.java:283)at org.springframework.orm.hibernate3.HibernateTemplate$37.doInHibernate(HibernateTemplate.java:988)at org.springframework.orm.hibernate3.HibernateTemplate.execute(HibernateTemplate.java:366)at org.springframework.orm.hibernate3.HibernateTemplate.findByCriteria(HibernateTemplate.java:978)at edu.xjtu.impl.DaoHibernateImpl.findByCriteria(DaoHibernateImpl.java:108)at edu.xjtu.struts.action.Index2Action.left(Index2Action.java:276)at edu.xjtu.struts.action.Index2Action.detail(Index2Action.java:291)at sun.reflect.GeneratedMethodAccessor162.invoke(Unknown Source)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:270)at org.apache.struts.actions.DispatchAction.execute(DispatchAction.java:187)at org.springframework.web.struts.DelegatingActionProxy.execute(DelegatingActionProxy.java:110)at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:431)at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:236)at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196)at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:414)at javax.servlet.http.HttpServlet.service(HttpServlet.java:617)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 edu.xjtu.filter.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:27)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:128)at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:568)at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286)at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:845)at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)at java.lang.Thread.run(Thread.java:619)** END NESTED EXCEPTION **at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:1707)at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:1923)at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1163)at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1272)at com.mysql.jdbc.Connection.execSQL(Connection.java:2236)at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1555)at org.hibernate.jdbc.AbstractBatcher.getResultSet(AbstractBatcher.java:139)at org.hibernate.loader.Loader.getResultSet(Loader.java:1669)at org.hibernate.loader.Loader.doQuery(Loader.java:662)at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:224)at org.hibernate.loader.Loader.doList(Loader.java:2145)at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2029)at org.hibernate.loader.Loader.list(Loader.java:2024)at org.hibernate.loader.criteria.CriteriaLoader.list(CriteriaLoader.java:94)at org.hibernate.impl.SessionImpl.list(SessionImpl.java:1533)at org.hibernate.impl.CriteriaImpl.list(CriteriaImpl.java:283)at org.springframework.orm.hibernate3.HibernateTemplate$37.doInHibernate(HibernateTemplate.java:988)at org.springframework.orm.hibernate3.HibernateTemplate.execute(HibernateTemplate.java:366)at org.springframework.orm.hibernate3.HibernateTemplate.findByCriteria(HibernateTemplate.java:978)at edu.xjtu.impl.DaoHibernateImpl.findByCriteria(DaoHibernateImpl.java:108)at edu.xjtu.struts.action.Index2Action.left(Index2Action.java:276)at edu.xjtu.struts.action.Index2Action.detail(Index2Action.java:291)at sun.reflect.GeneratedMethodAccessor162.invoke(Unknown Source)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:270)at org.apache.struts.actions.DispatchAction.execute(DispatchAction.java:187)at org.springframework.web.struts.DelegatingActionProxy.execute(DelegatingActionProxy.java:110)at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:431)at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:236)at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196)at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:414)at javax.servlet.http.HttpServlet.service(HttpServlet.java:617)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 edu.xjtu.filter.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:27)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:128)at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:568)at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286)at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:845)at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)at java.lang.Thread.run(Thread.java:619)** END NESTED EXCEPTION **org.apache.struts.action.RequestProcessor.processException(RequestProcessor.java:535)org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:433)org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:236)org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196)org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:414)javax.servlet.http.HttpServlet.service(HttpServlet.java:617)javax.servlet.http.HttpServlet.service(HttpServlet.java:717)edu.xjtu.filter.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:27)root causeorg.springframework.dao.DataAccessResourceFailureException: Hibernate operation: could not execute query; SQL [select jdsyscateg0_.flbh as flbh12_, jdsyscateg0_.flmc as flmc12_, jdsyscateg0_.fulbh as fulbh12_, jdsyscateg0_.glbh as glbh12_, jdsyscateg0_.yxgjz as yxgjz12_, jdsyscateg0_.gjzts as gjzts12_, jdsyscateg0_.yxtp as yxtp12_, jdsyscateg0_.tpts as tpts12_, jdsyscateg0_.yxzw as yxzw12_, jdsyscateg0_.zwts as zwts12_, jdsyscateg0_.cjsj as cjsj12_, jdsyscateg0_.cjr as cjr12_, jdsyscateg0_.cjrip as cjrip12_, jdsyscateg0_.sfqy as sfqy12_, jdsyscateg0_.by2 as by15_12_ from jd_sys_category jdsyscateg0_ where jdsyscateg0_.fulbh=1]; No operations allowed after connection closed.Connection was closed due to the following exception:** BEGIN NESTED EXCEPTION ** java.sql.SQLExceptionMESSAGE: Communication link failure: java.io.EOFException, underlying cause: null** BEGIN NESTED EXCEPTION ** java.io.EOFExceptionSTACKTRACE:java.io.EOFExceptionat com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:1388)at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:1532)at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:1923)at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1163)at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1272)at com.mysql.jdbc.Connection.execSQL(Connection.java:2236)at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1555)at org.hibernate.jdbc.AbstractBatcher.getResultSet(AbstractBatcher.java:139)at org.hibernate.loader.Loader.getResultSet(Loader.java:1669)at org.hibernate.loader.Loader.doQuery(Loader.java:662)at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:224)at org.hibernate.loader.Loader.doList(Loader.java:2145)at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2029)at org.hibernate.loader.Loader.list(Loader.java:2024)at org.hibernate.loader.criteria.CriteriaLoader.list(CriteriaLoader.java:94)at org.hibernate.impl.SessionImpl.list(SessionImpl.java:1533)at org.hibernate.impl.CriteriaImpl.list(CriteriaImpl.java:283)at org.springframework.orm.hibernate3.HibernateTemplate$37.doInHibernate(HibernateTemplate.java:988)at org.springframework.orm.hibernate3.HibernateTemplate.execute(HibernateTemplate.java:366)at org.springframework.orm.hibernate3.HibernateTemplate.findByCriteria(HibernateTemplate.java:978)at edu.xjtu.impl.DaoHibernateImpl.findByCriteria(DaoHibernateImpl.java:108)at edu.xjtu.struts.action.Index2Action.left(Index2Action.java:276)at edu.xjtu.struts.action.Index2Action.detail(Index2Action.java:291)at sun.reflect.GeneratedMethodAccessor162.invoke(Unknown Source)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:270)at org.apache.struts.actions.DispatchAction.execute(DispatchAction.java:187)at org.springframework.web.struts.DelegatingActionProxy.execute(DelegatingActionProxy.java:110)at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:431)at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:236)at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196)at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:414)at javax.servlet.http.HttpServlet.service(HttpServlet.java:617)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 edu.xjtu.filter.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:27)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:128)at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:568)at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286)at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:845)at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)at java.lang.Thread.run(Thread.java:619)** END NESTED EXCEPTION **STACKTRACE:java.sql.SQLException: Communication link failure: java.io.EOFException, underlying cause: null** BEGIN NESTED EXCEPTION ** java.io.EOFExceptionSTACKTRACE:java.io.EOFExceptionat com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:1388)at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:1532)at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:1923)at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1163)at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1272)at com.mysql.jdbc.Connection.execSQL(Connection.java:2236)at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1555)at org.hibernate.jdbc.AbstractBatcher.getResultSet(AbstractBatcher.java:139)at org.hibernate.loader.Loader.getResultSet(Loader.java:1669)at org.hibernate.loader.Loader.doQuery(Loader.java:662)at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:224)at org.hibernate.loader.Loader.doList(Loader.java:2145)at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2029)at org.hibernate.loader.Loader.list(Loader.java:2024)at org.hibernate.loader.criteria.CriteriaLoader.list(CriteriaLoader.java:94)at org.hibernate.impl.SessionImpl.list(SessionImpl.java:1533)at org.hibernate.impl.CriteriaImpl.list(CriteriaImpl.java:283)at org.springframework.orm.hibernate3.HibernateTemplate$37.doInHibernate(HibernateTemplate.java:988)at org.springframework.orm.hibernate3.HibernateTemplate.execute(HibernateTemplate.java:366)at org.springframework.orm.hibernate3.HibernateTemplate.findByCriteria(HibernateTemplate.java:978)at edu.xjtu.impl.DaoHibernateImpl.findByCriteria(DaoHibernateImpl.java:108)at edu.xjtu.struts.action.Index2Action.left(Index2Action.java:276)at edu.xjtu.struts.action.Index2Action.detail(Index2Action.java:291)at sun.reflect.GeneratedMethodAccessor162.invoke(Unknown Source)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:270)at org.apache.struts.actions.DispatchAction.execute(DispatchAction.java:187)at org.springframework.web.struts.DelegatingActionProxy.execute(DelegatingActionProxy.java:110)at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:431)at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:236)at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196)at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:414)at javax.servlet.http.HttpServlet.service(HttpServlet.java:617)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 edu.xjtu.filter.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:27)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:128)at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:568)at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286)at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:845)at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)at java.lang.Thread.run(Thread.java:619)** END NESTED EXCEPTION **at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:1707)at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:1923)at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1163)at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1272)at com.mysql.jdbc.Connection.execSQL(Connection.java:2236)at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1555)at org.hibernate.jdbc.AbstractBatcher.getResultSet(AbstractBatcher.java:139)at org.hibernate.loader.Loader.getResultSet(Loader.java:1669)at org.hibernate.loader.Loader.doQuery(Loader.java:662)at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:224)at org.hibernate.loader.Loader.doList(Loader.java:2145)at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2029)at org.hibernate.loader.Loader.list(Loader.java:2024)at org.hibernate.loader.criteria.CriteriaLoader.list(CriteriaLoader.java:94)at org.hibernate.impl.SessionImpl.list(SessionImpl.java:1533)at org.hibernate.impl.CriteriaImpl.list(CriteriaImpl.java:283)at org.springframework.orm.hibernate3.HibernateTemplate$37.doInHibernate(HibernateTemplate.java:988)at org.springframework.orm.hibernate3.HibernateTemplate.execute(HibernateTemplate.java:366)at org.springframework.orm.hibernate3.HibernateTemplate.findByCriteria(HibernateTemplate.java:978)at edu.xjtu.impl.DaoHibernateImpl.findByCriteria(DaoHibernateImpl.java:108)at edu.xjtu.struts.action.Index2Action.left(Index2Action.java:276)at edu.xjtu.struts.action.Index2Action.detail(Index2Action.java:291)at sun.reflect.GeneratedMethodAccessor162.invoke(Unknown Source)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:270)at org.apache.struts.actions.DispatchAction.execute(DispatchAction.java:187)at org.springframework.web.struts.DelegatingActionProxy.execute(DelegatingActionProxy.java:110)at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:431)at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:236)at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196)at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:414)at javax.servlet.http.HttpServlet.service(HttpServlet.java:617)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 edu.xjtu.filter.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:27)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:128)at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:568)at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286)at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:845)at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)at java.lang.Thread.run(Thread.java:619)** END NESTED EXCEPTION **; nested exception is java.sql.SQLException: No operations allowed after connection closed.Connection was closed due to the following exception:** BEGIN NESTED EXCEPTION ** java.sql.SQLExceptionMESSAGE: Communication link failure: java.io.EOFException, underlying cause: null** BEGIN NESTED EXCEPTION ** java.io.EOFExceptionSTACKTRACE:java.io.EOFExceptionat com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:1388)at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:1532)at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:1923)at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1163)at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1272)at com.mysql.jdbc.Connection.execSQL(Connection.java:2236)at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1555)at org.hibernate.jdbc.AbstractBatcher.getResultSet(AbstractBatcher.java:139)at org.hibernate.loader.Loader.getResultSet(Loader.java:1669)at org.hibernate.loader.Loader.doQuery(Loader.java:662)at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:224)at org.hibernate.loader.Loader.doList(Loader.java:2145)at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2029)at org.hibernate.loader.Loader.list(Loader.java:2024)at org.hibernate.loader.criteria.CriteriaLoader.list(CriteriaLoader.java:94)at org.hibernate.impl.SessionImpl.list(SessionImpl.java:1533)at org.hibernate.impl.CriteriaImpl.list(CriteriaImpl.java:283)at org.springframework.orm.hibernate3.HibernateTemplate$37.doInHibernate(HibernateTemplate.java:988)at org.springframework.orm.hibernate3.HibernateTemplate.execute(HibernateTemplate.java:366)at org.springframework.orm.hibernate3.HibernateTemplate.findByCriteria(HibernateTemplate.java:978)at edu.xjtu.impl.DaoHibernateImpl.findByCriteria(DaoHibernateImpl.java:108)at edu.xjtu.struts.action.Index2Action.left(Index2Action.java:276)at edu.xjtu.struts.action.Index2Action.detail(Index2Action.java:291)at sun.reflect.GeneratedMethodAccessor162.invoke(Unknown Source)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:270)at org.apache.struts.actions.DispatchAction.execute(DispatchAction.java:187)at org.springframework.web.struts.DelegatingActionProxy.execute(DelegatingActionProxy.java:110)at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:431)at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:236)at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196)at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:414)at javax.servlet.http.HttpServlet.service(HttpServlet.java:617)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 edu.xjtu.filter.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:27)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:128)at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:568)at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286)at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:845)at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)at java.lang.Thread.run(Thread.java:619)** END NESTED EXCEPTION **STACKTRACE:java.sql.SQLException: Communication link failure: java.io.EOFException, underlying cause: null** BEGIN NESTED EXCEPTION ** java.io.EOFExceptionSTACKTRACE:java.io.EOFExceptionat com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:1388)at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:1532)at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:1923)at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1163)at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1272)at com.mysql.jdbc.Connection.execSQL(Connection.java:2236)at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1555)at org.hibernate.jdbc.AbstractBatcher.getResultSet(AbstractBatcher.java:139)at org.hibernate.loader.Loader.getResultSet(Loader.java:1669)at org.hibernate.loader.Loader.doQuery(Loader.java:662)at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:224)at org.hibernate.loader.Loader.doList(Loader.java:2145)at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2029)at org.hibernate.loader.Loader.list(Loader.java:2024)at org.hibernate.loader.criteria.CriteriaLoader.list(CriteriaLoader.java:94)at org.hibernate.impl.SessionImpl.list(SessionImpl.java:1533)at org.hibernate.impl.CriteriaImpl.list(CriteriaImpl.java:283)at org.springframework.orm.hibernate3.HibernateTemplate$37.doInHibernate(HibernateTemplate.java:988)at org.springframework.orm.hibernate3.HibernateTemplate.execute(HibernateTemplate.java:366)at org.springframework.orm.hibernate3.HibernateTemplate.findByCriteria(HibernateTemplate.java:978)at edu.xjtu.impl.DaoHibernateImpl.findByCriteria(DaoHibernateImpl.java:108)at edu.xjtu.struts.action.Index2Action.left(Index2Action.java:276)at edu.xjtu.struts.action.Index2Action.detail(Index2Action.java:291)at sun.reflect.GeneratedMethodAccessor162.invoke(Unknown Source)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:270)at org.apache.struts.actions.DispatchAction.execute(DispatchAction.java:187)at org.springframework.web.struts.DelegatingActionProxy.execute(DelegatingActionProxy.java:110)at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:431)at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:236)at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196)at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:414)at javax.servlet.http.HttpServlet.service(HttpServlet.java:617)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 edu.xjtu.filter.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:27)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:128)at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:568)at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286)at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:845)at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)at java.lang.Thread.run(Thread.java:619)** END NESTED EXCEPTION **at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:1707)at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:1923)at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1163)at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1272)at com.mysql.jdbc.Connection.execSQL(Connection.java:2236)at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1555)at org.hibernate.jdbc.AbstractBatcher.getResultSet(AbstractBatcher.java:139)at org.hibernate.loader.Loader.getResultSet(Loader.java:1669)at org.hibernate.loader.Loader.doQuery(Loader.java:662)at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:224)at org.hibernate.loader.Loader.doList(Loader.java:2145)at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2029)at org.hibernate.loader.Loader.list(Loader.java:2024)at org.hibernate.loader.criteria.CriteriaLoader.list(CriteriaLoader.java:94)at org.hibernate.impl.SessionImpl.list(SessionImpl.java:1533)at org.hibernate.impl.CriteriaImpl.list(CriteriaImpl.java:283)at org.springframework.orm.hibernate3.HibernateTemplate$37.doInHibernate(HibernateTemplate.java:988)at org.springframework.orm.hibernate3.HibernateTemplate.execute(HibernateTemplate.java:366)at org.springframework.orm.hibernate3.HibernateTemplate.findByCriteria(HibernateTemplate.java:978)at edu.xjtu.impl.DaoHibernateImpl.findByCriteria(DaoHibernateImpl.java:108)at edu.xjtu.struts.action.Index2Action.left(Index2Action.java:276)at edu.xjtu.struts.action.Index2Action.detail(Index2Action.java:291)at sun.reflect.GeneratedMethodAccessor162.invoke(Unknown Source)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:270)at org.apache.struts.actions.DispatchAction.execute(DispatchAction.java:187)at org.springframework.web.struts.DelegatingActionProxy.execute(DelegatingActionProxy.java:110)at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:431)at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:236)at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196)at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:414)at javax.servlet.http.HttpServlet.service(HttpServlet.java:617)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 edu.xjtu.filter.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:27)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:128)at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:568)at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286)at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:845)at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)at java.lang.Thread.run(Thread.java:619)** END NESTED EXCEPTION **org.springframework.jdbc.support.SQLStateSQLExceptionTranslator.translate(SQLStateSQLExceptionTranslator.java:113)org.springframework.orm.hibernate3.HibernateAccessor.convertJdbcAccessException(HibernateAccessor.java:424)org.springframework.orm.hibernate3.HibernateAccessor.convertHibernateAccessException(HibernateAccessor.java:411)org.springframework.orm.hibernate3.HibernateTemplate.execute(HibernateTemplate.java:371)org.springframework.orm.hibernate3.HibernateTemplate.find(HibernateTemplate.java:844)org.springframework.orm.hibernate3.HibernateTemplate.find(HibernateTemplate.java:836)edu.xjtu.impl.DaoHibernateImpl.find(DaoHibernateImpl.java:82)edu.xjtu.struts.action.Index2Action.Navigate(Index2Action.java:100)edu.xjtu.struts.action.Index2Action.list(Index2Action.java:194)sun.reflect.GeneratedMethodAccessor160.invoke(Unknown Source)sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)java.lang.reflect.Method.invoke(Method.java:597)org.apache.struts.actions.DispatchAction.dispatchMethod(DispatchAction.java:270)org.apache.struts.actions.DispatchAction.execute(DispatchAction.java:187)org.springframework.web.struts.DelegatingActionProxy.execute(DelegatingActionProxy.java:110)org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:431)org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:236)org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196)org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:414)javax.servlet.http.HttpServlet.service(HttpServlet.java:617)javax.servlet.http.HttpServlet.service(HttpServlet.java:717)edu.xjtu.filter.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:27)root causejava.sql.SQLException: No operations allowed after connection closed.Connection was closed due to the following exception:** BEGIN NESTED EXCEPTION ** java.sql.SQLExceptionMESSAGE: Communication link failure: java.io.EOFException, underlying cause: null** BEGIN NESTED EXCEPTION ** java.io.EOFExceptionSTACKTRACE:java.io.EOFExceptionat com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:1388)at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:1532)at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:1923)at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1163)at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1272)at com.mysql.jdbc.Connection.execSQL(Connection.java:2236)at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1555)at org.hibernate.jdbc.AbstractBatcher.getResultSet(AbstractBatcher.java:139)at org.hibernate.loader.Loader.getResultSet(Loader.java:1669)at org.hibernate.loader.Loader.doQuery(Loader.java:662)at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:224)at org.hibernate.loader.Loader.doList(Loader.java:2145)at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2029)at org.hibernate.loader.Loader.list(Loader.java:2024)at org.hibernate.loader.criteria.CriteriaLoader.list(CriteriaLoader.java:94)at org.hibernate.impl.SessionImpl.list(SessionImpl.java:1533)at org.hibernate.impl.CriteriaImpl.list(CriteriaImpl.java:283)at org.springframework.orm.hibernate3.HibernateTemplate$37.doInHibernate(HibernateTemplate.java:988)at org.springframework.orm.hibernate3.HibernateTemplate.execute(HibernateTemplate.java:366)at org.springframework.orm.hibernate3.HibernateTemplate.findByCriteria(HibernateTemplate.java:978)at edu.xjtu.impl.DaoHibernateImpl.findByCriteria(DaoHibernateImpl.java:108)at edu.xjtu.struts.action.Index2Action.left(Index2Action.java:276)at edu.xjtu.struts.action.Index2Action.detail(Index2Action.java:291)at sun.reflect.GeneratedMethodAccessor162.invoke(Unknown Source)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:270)at org.apache.struts.actions.DispatchAction.execute(DispatchAction.java:187)at org.springframework.web.struts.DelegatingActionProxy.execute(DelegatingActionProxy.java:110)at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:431)at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:236)at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196)at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:414)at javax.servlet.http.HttpServlet.service(HttpServlet.java:617)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 edu.xjtu.filter.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:27)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:128)at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:568)at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286)at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:845)at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)at java.lang.Thread.run(Thread.java:619)** END NESTED EXCEPTION **STACKTRACE:java.sql.SQLException: Communication link failure: java.io.EOFException, underlying cause: null** BEGIN NESTED EXCEPTION ** java.io.EOFExceptionSTACKTRACE:java.io.EOFExceptionat com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:1388)at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:1532)at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:1923)at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1163)at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1272)at com.mysql.jdbc.Connection.execSQL(Connection.java:2236)at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1555)at org.hibernate.jdbc.AbstractBatcher.getResultSet(AbstractBatcher.java:139)at org.hibernate.loader.Loader.getResultSet(Loader.java:1669)at org.hibernate.loader.Loader.doQuery(Loader.java:662)at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:224)at org.hibernate.loader.Loader.doList(Loader.java:2145)at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2029)at org.hibernate.loader.Loader.list(Loader.java:2024)at org.hibernate.loader.criteria.CriteriaLoader.list(CriteriaLoader.java:94)at org.hibernate.impl.SessionImpl.list(SessionImpl.java:1533)at org.hibernate.impl.CriteriaImpl.list(CriteriaImpl.java:283)at org.springframework.orm.hibernate3.HibernateTemplate$37.doInHibernate(HibernateTemplate.java:988)at org.springframework.orm.hibernate3.HibernateTemplate.execute(HibernateTemplate.java:366)at org.springframework.orm.hibernate3.HibernateTemplate.findByCriteria(HibernateTemplate.java:978)at edu.xjtu.impl.DaoHibernateImpl.findByCriteria(DaoHibernateImpl.java:108)at edu.xjtu.struts.action.Index2Action.left(Index2Action.java:276)at edu.xjtu.struts.action.Index2Action.detail(Index2Action.java:291)at sun.reflect.GeneratedMethodAccessor162.invoke(Unknown Source)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:270)at org.apache.struts.actions.DispatchAction.execute(DispatchAction.java:187)at org.springframework.web.struts.DelegatingActionProxy.execute(DelegatingActionProxy.java:110)at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:431)at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:236)at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196)at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:414)at javax.servlet.http.HttpServlet.service(HttpServlet.java:617)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 edu.xjtu.filter.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:27)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:128)at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:568)at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286)at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:845)at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)at java.lang.Thread.run(Thread.java:619)** END NESTED EXCEPTION **at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:1707)at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:1923)at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1163)at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1272)at com.mysql.jdbc.Connection.execSQL(Connection.java:2236)at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1555)at org.hibernate.jdbc.AbstractBatcher.getResultSet(AbstractBatcher.java:139)at org.hibernate.loader.Loader.getResultSet(Loader.java:1669)at org.hibernate.loader.Loader.doQuery(Loader.java:662)at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:224)at org.hibernate.loader.Loader.doList(Loader.java:2145)at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2029)at org.hibernate.loader.Loader.list(Loader.java:2024)at org.hibernate.loader.criteria.CriteriaLoader.list(CriteriaLoader.java:94)at org.hibernate.impl.SessionImpl.list(SessionImpl.java:1533)at org.hibernate.impl.CriteriaImpl.list(CriteriaImpl.java:283)at org.springframework.orm.hibernate3.HibernateTemplate$37.doInHibernate(HibernateTemplate.java:988)at org.springframework.orm.hibernate3.HibernateTemplate.execute(HibernateTemplate.java:366)at org.springframework.orm.hibernate3.HibernateTemplate.findByCriteria(HibernateTemplate.java:978)at edu.xjtu.impl.DaoHibernateImpl.findByCriteria(DaoHibernateImpl.java:108)at edu.xjtu.struts.action.Index2Action.left(Index2Action.java:276)at edu.xjtu.struts.action.Index2Action.detail(Index2Action.java:291)at sun.reflect.GeneratedMethodAccessor162.invoke(Unknown Source)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:270)at org.apache.struts.actions.DispatchAction.execute(DispatchAction.java:187)at org.springframework.web.struts.DelegatingActionProxy.execute(DelegatingActionProxy.java:110)at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:431)at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:236)at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196)at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:414)at javax.servlet.http.HttpServlet.service(HttpServlet.java:617)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 edu.xjtu.filter.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:27)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:128)at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:568)at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286)at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:845)at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)at java.lang.Thread.run(Thread.java:619)** END NESTED EXCEPTION **com.mysql.jdbc.Connection.checkClosed(Connection.java:2459)com.mysql.jdbc.Connection.prepareStatement(Connection.java:1356)com.mysql.jdbc.Connection.prepareStatement(Connection.java:1336)org.hibernate.jdbc.AbstractBatcher.getPreparedStatement(AbstractBatcher.java:442)org.hibernate.jdbc.AbstractBatcher.getPreparedStatement(AbstractBatcher.java:368)org.hibernate.jdbc.AbstractBatcher.prepareQueryStatement(AbstractBatcher.java:105)org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1561)org.hibernate.loader.Loader.doQuery(Loader.java:661)org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:224)org.hibernate.loader.Loader.doList(Loader.java:2145)org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2029)org.hibernate.loader.Loader.list(Loader.java:2024)org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:375)org.hibernate.hql.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:308)org.hibernate.engine.query.HQLQueryPlan.performList(HQLQueryPlan.java:153)org.hibernate.impl.SessionImpl.list(SessionImpl.java:1106)org.hibernate.impl.QueryImpl.list(QueryImpl.java:79)org.springframework.orm.hibernate3.HibernateTemplate$31.doInHibernate(HibernateTemplate.java:853)org.springframework.orm.hibernate3.HibernateTemplate.execute(HibernateTemplate.java:366)org.springframework.orm.hibernate3.HibernateTemplate.find(HibernateTemplate.java:844)org.springframework.orm.hibernate3.HibernateTemplate.find(HibernateTemplate.java:836)edu.xjtu.impl.DaoHibernateImpl.find(DaoHibernateImpl.java:82)edu.xjtu.struts.action.Index2Action.Navigate(Index2Action.java:100)edu.xjtu.struts.action.Index2Action.list(Index2Action.java:194)sun.reflect.GeneratedMethodAccessor160.invoke(Unknown Source)sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)java.lang.reflect.Method.invoke(Method.java:597)org.apache.struts.actions.DispatchAction.dispatchMethod(DispatchAction.java:270)org.apache.struts.actions.DispatchAction.execute(DispatchAction.java:187)org.springframework.web.struts.DelegatingActionProxy.execute(DelegatingActionProxy.java:110)org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:431)org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:236)org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196)org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:414)javax.servlet.http.HttpServlet.service(HttpServlet.java:617)javax.servlet.http.HttpServlet.service(HttpServlet.java:717)edu.xjtu.filter.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:27)note The full stack trace of the root cause is available in the Apache Tomcat/6.0.18 logs.Apache Tomcat/6.0.18
