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西安交通大学的错误日志

发表于: 2011-12-14   作者:asialee   来源:转载   浏览次数:
摘要: 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 report message description The server encountered an internal error () that prevented it from fulfilling this request. exce
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 report

message

description The server encountered an internal error () that prevented it from fulfilling this request.

exception

javax.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.SQLException
MESSAGE: Communication link failure: java.io.EOFException, underlying cause: null

** BEGIN NESTED EXCEPTION ** 

java.io.EOFException

STACKTRACE:

java.io.EOFException
	at 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.EOFException

STACKTRACE:

java.io.EOFException
	at 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.SQLException
MESSAGE: Communication link failure: java.io.EOFException, underlying cause: null

** BEGIN NESTED EXCEPTION ** 

java.io.EOFException

STACKTRACE:

java.io.EOFException
	at 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.EOFException

STACKTRACE:

java.io.EOFException
	at 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 cause

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.SQLException
MESSAGE: Communication link failure: java.io.EOFException, underlying cause: null

** BEGIN NESTED EXCEPTION ** 

java.io.EOFException

STACKTRACE:

java.io.EOFException
	at 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.EOFException

STACKTRACE:

java.io.EOFException
	at 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.SQLException
MESSAGE: Communication link failure: java.io.EOFException, underlying cause: null

** BEGIN NESTED EXCEPTION ** 

java.io.EOFException

STACKTRACE:

java.io.EOFException
	at 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.EOFException

STACKTRACE:

java.io.EOFException
	at 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 cause

java.sql.SQLException: No operations allowed after connection closed.

Connection was closed due to the following exception:

** BEGIN NESTED EXCEPTION ** 

java.sql.SQLException
MESSAGE: Communication link failure: java.io.EOFException, underlying cause: null

** BEGIN NESTED EXCEPTION ** 

java.io.EOFException

STACKTRACE:

java.io.EOFException
	at 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.EOFException

STACKTRACE:

java.io.EOFException
	at 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

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【将错误记录到系统日志中】 在 php.ini 中将 error_log 设置为: error_log = syslog 或者在运行时
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