登录后台，偶尔出现以下错误信息：
HTTP Status 500 -
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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.hibernate.exception.JDBCConnectionException: could not initialize a collection: [com.jeecms.cms.entity.main.CmsUser.userSites#1]
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:38)
root cause
org.hibernate.exception.JDBCConnectionException: could not initialize a collection: [com.jeecms.cms.entity.main.CmsUser.userSites#1]
org.hibernate.exception.SQLStateConverter.convert(SQLStateConverter.java:97)
org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:66)
org.hibernate.loader.Loader.loadCollection(Loader.java:2026)
org.hibernate.loader.collection.CollectionLoader.initialize(CollectionLoader.java:59)
org.hibernate.persister.collection.AbstractCollectionPersister.initialize(AbstractCollectionPersister.java:587)
org.hibernate.event.def.DefaultInitializeCollectionEventListener.onInitializeCollection(DefaultInitializeCollectionEventListener.java:83)
org.hibernate.impl.SessionImpl.initializeCollection(SessionImpl.java:1744)
org.hibernate.collection.AbstractPersistentCollection.initialize(AbstractPersistentCollection.java:366)
org.hibernate.collection.AbstractPersistentCollection.read(AbstractPersistentCollection.java:108)
org.hibernate.collection.AbstractPersistentCollection.readSize(AbstractPersistentCollection.java:131)
org.hibernate.collection.PersistentSet.size(PersistentSet.java:162)
com.jeecms.cms.entity.main.CmsUser.getSites(CmsUser.java:229)
com.jeecms.cms.web.AdminContextInterceptor.preHandle(AdminContextInterceptor.java:94)
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:38)
root cause
com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure
The last packet successfully received from the server was 125,734 milliseconds ago. The last packet sent successfully to the server was 0 milliseconds ago.
sun.reflect.GeneratedConstructorAccessor146.newInstance(Unknown Source)
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
java.lang.reflect.Constructor.newInstance(Constructor.java:513)
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:2648)
com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:2086)
com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:2237)
com.mchange.v2.c3p0.impl.NewProxyPreparedStatement.executeQuery(NewProxyPreparedStatement.java:76)
org.hibernate.jdbc.AbstractBatcher.getResultSet(AbstractBatcher.java:208)
org.hibernate.loader.Loader.getResultSet(Loader.java:1812)
org.hibernate.loader.Loader.doQuery(Loader.java:697)
org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:259)
org.hibernate.loader.Loader.loadCollection(Loader.java:2019)
org.hibernate.loader.collection.CollectionLoader.initialize(CollectionLoader.java:59)
org.hibernate.persister.collection.AbstractCollectionPersister.initialize(AbstractCollectionPersister.java:587)
org.hibernate.event.def.DefaultInitializeCollectionEventListener.onInitializeCollection(DefaultInitializeCollectionEventListener.java:83)
org.hibernate.impl.SessionImpl.initializeCollection(SessionImpl.java:1744)
org.hibernate.collection.AbstractPersistentCollection.initialize(AbstractPersistentCollection.java:366)
org.hibernate.collection.AbstractPersistentCollection.read(AbstractPersistentCollection.java:108)
org.hibernate.collection.AbstractPersistentCollection.readSize(AbstractPersistentCollection.java:131)
org.hibernate.collection.PersistentSet.size(PersistentSet.java:162)
com.jeecms.cms.entity.main.CmsUser.getSites(CmsUser.java:229)
com.jeecms.cms.web.AdminContextInterceptor.preHandle(AdminContextInterceptor.java:94)
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:38)
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:2648)
com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:2086)
com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:2237)
com.mchange.v2.c3p0.impl.NewProxyPreparedStatement.executeQuery(NewProxyPreparedStatement.java:76)
org.hibernate.jdbc.AbstractBatcher.getResultSet(AbstractBatcher.java:208)
org.hibernate.loader.Loader.getResultSet(Loader.java:1812)
org.hibernate.loader.Loader.doQuery(Loader.java:697)
org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:259)
org.hibernate.loader.Loader.loadCollection(Loader.java:2019)
org.hibernate.loader.collection.CollectionLoader.initialize(CollectionLoader.java:59)
org.hibernate.persister.collection.AbstractCollectionPersister.initialize(AbstractCollectionPersister.java:587)
org.hibernate.event.def.DefaultInitializeCollectionEventListener.onInitializeCollection(DefaultInitializeCollectionEventListener.java:83)
org.hibernate.impl.SessionImpl.initializeCollection(SessionImpl.java:1744)
org.hibernate.collection.AbstractPersistentCollection.initialize(AbstractPersistentCollection.java:366)
org.hibernate.collection.AbstractPersistentCollection.read(AbstractPersistentCollection.java:108)
org.hibernate.collection.AbstractPersistentCollection.readSize(AbstractPersistentCollection.java:131)
org.hibernate.collection.PersistentSet.size(PersistentSet.java:162)
com.jeecms.cms.entity.main.CmsUser.getSites(CmsUser.java:229)
com.jeecms.cms.web.AdminContextInterceptor.preHandle(AdminContextInterceptor.java:94)
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:38)
note The full stack trace of the root cause is available in the Apache Tomcat/6.0.35 logs.
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Apache Tomcat/6.0.35 |
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