HTTP Status 500 - Request processing failed; nested exception is org.hibernate.exception.JDBCConnectionException: could not initialize a collection: [com.jeecms.cms.entity.main.Content.viewGroups#356]


type Exception report

message Request processing failed; nested exception is org.hibernate.exception.JDBCConnectionException: could not initialize a collection: [com.jeecms.cms.entity.main.Content.viewGroups#356]

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.Content.viewGroups#356]
	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:621)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
	org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:51)
	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.Content.viewGroups#356]
	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.Content.getViewGroupsExt(Content.java:321)
	com.jeecms.cms.action.front.DynamicPageAct.content(DynamicPageAct.java:137)
	com.jeecms.cms.action.front.DynamicPageAct.dynamic(DynamicPageAct.java:98)
	sun.reflect.GeneratedMethodAccessor339.invoke(Unknown Source)
	sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	java.lang.reflect.Method.invoke(Method.java:606)
	org.springframework.web.bind.annotation.support.HandlerMethodInvoker.invokeHandlerMethod(HandlerMethodInvoker.java:176)
	org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.invokeHandlerMethod(AnnotationMethodHandlerAdapter.java:426)
	org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.handle(AnnotationMethodHandlerAdapter.java:414)
	org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:790)
	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:621)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
	org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:51)
	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 193,601 milliseconds ago.  The last packet sent successfully to the server was 0 milliseconds ago.
	sun.reflect.GeneratedConstructorAccessor54.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: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.Content.getViewGroupsExt(Content.java:321)
	com.jeecms.cms.action.front.DynamicPageAct.content(DynamicPageAct.java:137)
	com.jeecms.cms.action.front.DynamicPageAct.dynamic(DynamicPageAct.java:98)
	sun.reflect.GeneratedMethodAccessor339.invoke(Unknown Source)
	sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	java.lang.reflect.Method.invoke(Method.java:606)
	org.springframework.web.bind.annotation.support.HandlerMethodInvoker.invokeHandlerMethod(HandlerMethodInvoker.java:176)
	org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.invokeHandlerMethod(AnnotationMethodHandlerAdapter.java:426)
	org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.handle(AnnotationMethodHandlerAdapter.java:414)
	org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:790)
	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:621)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
	org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:51)
	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.Content.getViewGroupsExt(Content.java:321)
	com.jeecms.cms.action.front.DynamicPageAct.content(DynamicPageAct.java:137)
	com.jeecms.cms.action.front.DynamicPageAct.dynamic(DynamicPageAct.java:98)
	sun.reflect.GeneratedMethodAccessor339.invoke(Unknown Source)
	sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	java.lang.reflect.Method.invoke(Method.java:606)
	org.springframework.web.bind.annotation.support.HandlerMethodInvoker.invokeHandlerMethod(HandlerMethodInvoker.java:176)
	org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.invokeHandlerMethod(AnnotationMethodHandlerAdapter.java:426)
	org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.handle(AnnotationMethodHandlerAdapter.java:414)
	org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:790)
	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:621)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
	org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:51)
	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/7.0.47 logs.


Apache Tomcat/7.0.47