我去网上看有人说  给配置文件加jdbc url 增加 autoReconnect=true，是哪个配置文件，在哪里

回复第2楼  
我加的就是这个  但是还是出现这种错误  

出现什么错误？能把详细的错误信息发下吗

回复第4楼   好的   。 有人说是数据库断掉，但是服务器中的其他项目没问题。就是刚发布的这个有问题


type Exception report

message

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

exception

org.springframework.web.util.NestedServletException: Request processing failed; nested exception is org.springframework.transaction.CannotCreateTransactionException: Could not open Hibernate Session for transaction; nested exception is org.hibernate.TransactionException: JDBC begin failed: 
org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:656)
org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:549)
javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
org.springframework.orm.hibernate3.support.OpenSessionInViewFilter.doFilterInternal(OpenSessionInViewFilter.java:198)
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)
org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88)
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)
com.jeecms.common.web.ProcessTimeFilter.doFilter(ProcessTimeFilter.java:35)
root cause

org.springframework.transaction.CannotCreateTransactionException: Could not open Hibernate Session for transaction; nested exception is org.hibernate.TransactionException: JDBC begin failed: 
org.springframework.orm.hibernate3.HibernateTransactionManager.doBegin(HibernateTransactionManager.java:596)
org.springframework.transaction.support.AbstractPlatformTransactionManager.getTransaction(AbstractPlatformTransactionManager.java:371)
org.springframework.transaction.interceptor.TransactionAspectSupport.createTransactionIfNecessary(TransactionAspectSupport.java:335)
org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:105)
org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:202)
com.sun.proxy.$Proxy85.getListFromCache(Unknown Source)
com.jeecms.cms.web.FrontContextInterceptor.preHandle(FrontContextInterceptor.java:32)
org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:781)
org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:719)
org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:644)
org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:549)
javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
org.springframework.orm.hibernate3.support.OpenSessionInViewFilter.doFilterInternal(OpenSessionInViewFilter.java:198)
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)
org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88)
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)
com.jeecms.common.web.ProcessTimeFilter.doFilter(ProcessTimeFilter.java:35)
root cause

org.hibernate.TransactionException: JDBC begin failed: 
org.hibernate.transaction.JDBCTransaction.begin(JDBCTransaction.java:96)
org.hibernate.impl.SessionImpl.beginTransaction(SessionImpl.java:1354)
org.springframework.orm.hibernate3.HibernateTransactionManager.doBegin(HibernateTransactionManager.java:555)
org.springframework.transaction.support.AbstractPlatformTransactionManager.getTransaction(AbstractPlatformTransactionManager.java:371)
org.springframework.transaction.interceptor.TransactionAspectSupport.createTransactionIfNecessary(TransactionAspectSupport.java:335)
org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:105)
org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:202)
com.sun.proxy.$Proxy85.getListFromCache(Unknown Source)
com.jeecms.cms.web.FrontContextInterceptor.preHandle(FrontContextInterceptor.java:32)
org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:781)
org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:719)
org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:644)
org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:549)
javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
org.springframework.orm.hibernate3.support.OpenSessionInViewFilter.doFilterInternal(OpenSessionInViewFilter.java:198)
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)
org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88)
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)
com.jeecms.common.web.ProcessTimeFilter.doFilter(ProcessTimeFilter.java:35)
root cause

com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure

The last packet successfully received from the server was 35,780 milliseconds ago.  The last packet sent successfully to the server was 1 milliseconds ago.
sun.reflect.GeneratedConstructorAccessor103.newInstance(Unknown Source)
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
java.lang.reflect.Constructor.newInstance(Constructor.java:526)
com.mysql.jdbc.Util.handleNewInstance(Util.java:406)
com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:1074)
com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3030)
com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:2916)
com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3459)
com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1957)
com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2107)
com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2642)
com.mysql.jdbc.ConnectionImpl.setAutoCommit(ConnectionImpl.java:5036)
com.mchange.v2.c3p0.impl.NewProxyConnection.setAutoCommit(NewProxyConnection.java:881)
org.hibernate.transaction.JDBCTransaction.begin(JDBCTransaction.java:91)
org.hibernate.impl.SessionImpl.beginTransaction(SessionImpl.java:1354)
org.springframework.orm.hibernate3.HibernateTransactionManager.doBegin(HibernateTransactionManager.java:555)
org.springframework.transaction.support.AbstractPlatformTransactionManager.getTransaction(AbstractPlatformTransactionManager.java:371)
org.springframework.transaction.interceptor.TransactionAspectSupport.createTransactionIfNecessary(TransactionAspectSupport.java:335)
org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:105)
org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:202)
com.sun.proxy.$Proxy85.getListFromCache(Unknown Source)
com.jeecms.cms.web.FrontContextInterceptor.preHandle(FrontContextInterceptor.java:32)
org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:781)
org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:719)
org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:644)
org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:549)
javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
org.springframework.orm.hibernate3.support.OpenSessionInViewFilter.doFilterInternal(OpenSessionInViewFilter.java:198)
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)
org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88)
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)
com.jeecms.common.web.ProcessTimeFilter.doFilter(ProcessTimeFilter.java:35)
root cause

java.io.EOFException: Can not read response from server. Expected to read 4 bytes, read 0 bytes before connection was unexpectedly lost.
com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2475)
com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:2927)
com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:2916)
com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3459)
com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1957)
com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2107)
com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2642)
com.mysql.jdbc.ConnectionImpl.setAutoCommit(ConnectionImpl.java:5036)
com.mchange.v2.c3p0.impl.NewProxyConnection.setAutoCommit(NewProxyConnection.java:881)
org.hibernate.transaction.JDBCTransaction.begin(JDBCTransaction.java:91)
org.hibernate.impl.SessionImpl.beginTransaction(SessionImpl.java:1354)
org.springframework.orm.hibernate3.HibernateTransactionManager.doBegin(HibernateTransactionManager.java:555)
org.springframework.transaction.support.AbstractPlatformTransactionManager.getTransaction(AbstractPlatformTransactionManager.java:371)
org.springframework.transaction.interceptor.TransactionAspectSupport.createTransactionIfNecessary(TransactionAspectSupport.java:335)
org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:105)
org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:202)
com.sun.proxy.$Proxy85.getListFromCache(Unknown Source)
com.jeecms.cms.web.FrontContextInterceptor.preHandle(FrontContextInterceptor.java:32)
org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:781)
org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:719)
org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:644)
org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:549)
javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
org.springframework.orm.hibernate3.support.OpenSessionInViewFilter.doFilterInternal(OpenSessionInViewFilter.java:198)
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)
org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88)
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)
com.jeecms.common.web.ProcessTimeFilter.doFilter(ProcessTimeFilter.java:35)
note The full stack trace of the root cause is available in the Apache Tomcat/6.0.29 logs.

这你刷新能够连接成功？？

回复第6楼  是的

回复第6楼   本来在本地 没问题的    放到服务器上测试就这样了

那就是您服务器上数据库有问题吧？

回复第9楼 数据库问文件只有250k  ,导入应该不会有问题吧  。 我把数据库删了  重新导入试试