类型 异常报告
消息 Request processing failed; nested exception is org.hibernate.exception.GenericJDBCException: Cannot open connection
描述 服务器遇到一个意外的情况,阻止它完成请求。
例外情况
org.springframework.web.util.NestedServletException: Request processing failed; nested exception is org.hibernate.exception.GenericJDBCException: Cannot open connection 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:529) javax.servlet.http.HttpServlet.service(HttpServlet.java:623) 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)
根本原因。
org.hibernate.exception.GenericJDBCException: Cannot open connection org.hibernate.exception.SQLStateConverter.handledNonSpecificException(SQLStateConverter.java:126) org.hibernate.exception.SQLStateConverter.convert(SQLStateConverter.java:114) org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:66) org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:52) org.hibernate.jdbc.ConnectionManager.openConnection(ConnectionManager.java:449) org.hibernate.jdbc.ConnectionManager.getConnection(ConnectionManager.java:167) org.hibernate.jdbc.AbstractBatcher.prepareQueryStatement(AbstractBatcher.java:161) org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1577) org.hibernate.loader.Loader.doQuery(Loader.java:696) 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.PersistentList.size(PersistentList.java:114) com.jeecms.cms.entity.main.Content.getPageCount(Content.java:474) com.jeecms.cms.action.front.DynamicPageAct.content(DynamicPageAct.java:163) com.jeecms.cms.action.front.DynamicPageAct.dynamic(DynamicPageAct.java:98) sun.reflect.GeneratedMethodAccessor554.invoke(Unknown Source) sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) java.lang.reflect.Method.invoke(Method.java:498) 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:529) javax.servlet.http.HttpServlet.service(HttpServlet.java:623) 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)
根本原因。
java.sql.SQLException: An attempt by a client to checkout a Connection has timed out. com.mchange.v2.sql.SqlUtils.toSQLException(SqlUtils.java:106) com.mchange.v2.sql.SqlUtils.toSQLException(SqlUtils.java:65) com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool.checkoutPooledConnection(C3P0PooledConnectionPool.java:527) com.mchange.v2.c3p0.impl.AbstractPoolBackedDataSource.getConnection(AbstractPoolBackedDataSource.java:128) org.springframework.orm.hibernate3.LocalDataSourceConnectionProvider.getConnection(LocalDataSourceConnectionProvider.java:81) org.hibernate.jdbc.ConnectionManager.openConnection(ConnectionManager.java:446) org.hibernate.jdbc.ConnectionManager.getConnection(ConnectionManager.java:167) org.hibernate.jdbc.AbstractBatcher.prepareQueryStatement(AbstractBatcher.java:161) org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1577) org.hibernate.loader.Loader.doQuery(Loader.java:696) 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.PersistentList.size(PersistentList.java:114) com.jeecms.cms.entity.main.Content.getPageCount(Content.java:474) com.jeecms.cms.action.front.DynamicPageAct.content(DynamicPageAct.java:163) com.jeecms.cms.action.front.DynamicPageAct.dynamic(DynamicPageAct.java:98) sun.reflect.GeneratedMethodAccessor554.invoke(Unknown Source) sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) java.lang.reflect.Method.invoke(Method.java:498) 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:529) javax.servlet.http.HttpServlet.service(HttpServlet.java:623) 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)
根本原因。
com.mchange.v2.resourcepool.TimeoutException: A client timed out while waiting to acquire a resource from com.mchange.v2.resourcepool.BasicResourcePool@39c4ed23 -- timeout at awaitAvailable() com.mchange.v2.resourcepool.BasicResourcePool.awaitAvailable(BasicResourcePool.java:1317) com.mchange.v2.resourcepool.BasicResourcePool.prelimCheckoutResource(BasicResourcePool.java:557) com.mchange.v2.resourcepool.BasicResourcePool.checkoutResource(BasicResourcePool.java:477) com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool.checkoutPooledConnection(C3P0PooledConnectionPool.java:525) com.mchange.v2.c3p0.impl.AbstractPoolBackedDataSource.getConnection(AbstractPoolBackedDataSource.java:128) org.springframework.orm.hibernate3.LocalDataSourceConnectionProvider.getConnection(LocalDataSourceConnectionProvider.java:81) org.hibernate.jdbc.ConnectionManager.openConnection(ConnectionManager.java:446) org.hibernate.jdbc.ConnectionManager.getConnection(ConnectionManager.java:167) org.hibernate.jdbc.AbstractBatcher.prepareQueryStatement(AbstractBatcher.java:161) org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1577) org.hibernate.loader.Loader.doQuery(Loader.java:696) 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.PersistentList.size(PersistentList.java:114) com.jeecms.cms.entity.main.Content.getPageCount(Content.java:474) com.jeecms.cms.action.front.DynamicPageAct.content(DynamicPageAct.java:163) com.jeecms.cms.action.front.DynamicPageAct.dynamic(DynamicPageAct.java:98) sun.reflect.GeneratedMethodAccessor554.invoke(Unknown Source) sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) java.lang.reflect.Method.invoke(Method.java:498) 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:529) javax.servlet.http.HttpServlet.service(HttpServlet.java:623) 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)
):注意 主要问题的全部 stack 信息可以在 server logs 里查看