Hello Ola, Thank you so much for helping to resolve this problem. I will follow up on the two links you provided and learn more about how to prevent the connection to MySQL database timing out on me. Many thanks. John.
John Ojo MD, FMCPH Consultant Public Health Physician Monitoring & Evaluation Specialist Abidjan-Lagos Corridor Organization 02 BP 2302 Cotonou - Benin Phone: +229 21 31 35 79/91 ~ Fax: +229 21 31 36 52 Mobile: +229 95 75 33 65 Email: j...@corridor-sida.org Site: http://www.corridor-sida.org ________________________________ From: Ola Hodne Titlestad <olati...@gmail.com> To: jn...@yahoo.com Sent: Mon, March 8, 2010 8:12:32 PM Subject: Re: [Bug 534567] [NEW] HTTP Error 500 Could not open Hibernate On 8 March 2010 19:45, john <jn...@yahoo.com> wrote: > Public bug reported: > Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: The > last packet successfully received from the server was40510 seconds ago.The > last packet sent successfully to the server was 40510 seconds ago, which is > longer than the server configured value of 'wait_timeout'. You should > consider either expiring and/or testing connection validity before use in > your application, increasing the server configured values for client > timeouts, or using the Connector/J connection property 'autoReconnect=true' > to avoid this problem. > > Please what is the cause of this error and what must I do to rectify it? > Thank you. > John. > > The message above indicates that the connection to your mysql server timed out. The default value for time out is 8 hours. More here: http://dev.mysql.com/doc/refman/5.0/en/gone-away.html http://dev.mysql.com/doc/refman/5.0/en/server-system-variables.html#sysvar_wait_timeout Ola ---------- -- HTTP Error 500 Could not open Hibernate https://bugs.launchpad.net/bugs/534567 You received this bug notification because you are a direct subscriber of the bug. Status in DHIS 2 - District Health Information Software: New Bug description: I currently have DHIS 2.0.3-SNAPSHOT installed on a system running Windows XP professional and hooked up to a MySQL database through a hibernate.properties file. The system works fine but I have observed that whenever the system has been idle for for some time (say after 4 to 6 hours) and I try to login into DHIS 2, I get the following error message: HTTP ERROR 500 Problem accessing /dhis-web-commons-security/login.action. Reason: Could not open Hibernate Session for transaction; nested exception is org.hibernate.TransactionException: JDBC begin failed: Caused by: org.springframework.transaction.CannotCreateTransactionException: Could not open Hibernate Session for transaction; nested exception is org.hibernate.TransactionException: JDBC begin failed: at org.springframework.orm.hibernate3.HibernateTransactionManager.doBegin(HibernateTransactionManager.java:599) at org.springframework.transaction.support.AbstractPlatformTransactionManager.getTransaction(AbstractPlatformTransactionManager.java:374) at org.springframework.transaction.interceptor.TransactionAspectSupport.createTransactionIfNecessary(TransactionAspectSupport.java:263) at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:101) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171) at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:204) at $Proxy63.loadUserByUsername(Unknown Source) at org.acegisecurity.providers.dao.DaoAuthenticationProvider.retrieveUser(DaoAuthenticationProvider.java:86) at org.acegisecurity.providers.dao.AbstractUserDetailsAuthenticationProvider.authenticate(AbstractUserDetailsAuthenticationProvider.java:115) at org.acegisecurity.providers.ProviderManager.doAuthentication(ProviderManager.java:188) at org.acegisecurity.AbstractAuthenticationManager.authenticate(AbstractAuthenticationManager.java:45) at org.acegisecurity.ui.webapp.AuthenticationProcessingFilter.attemptAuthentication(AuthenticationProcessingFilter.java:71) at org.acegisecurity.ui.AbstractProcessingFilter.doFilter(AbstractProcessingFilter.java:199) at org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:274) at org.acegisecurity.context.HttpSessionContextIntegrationFilter.doFilter(HttpSessionContextIntegrationFilter.java:193) at org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:274) at org.acegisecurity.util.FilterChainProxy.doFilter(FilterChainProxy.java:148) at org.acegisecurity.util.FilterToBeanProxy.doFilter(FilterToBeanProxy.java:98) at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1139) at org.springframework.orm.hibernate3.support.OpenSessionInViewFilter.doFilterInternal(OpenSessionInViewFilter.java:198) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76) at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1139) at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:378) at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216) at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:181) at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:765) at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:417) at org.mortbay.jetty.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:230) at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152) at org.mortbay.jetty.Server.handle(Server.java:324) at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:535) at org.mortbay.jetty.HttpConnection$RequestHandler.content(HttpConnection.java:880) at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:747) at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:218) at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404) at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:409) at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:520) Caused by: org.hibernate.TransactionException: JDBC begin failed: at org.hibernate.transaction.JDBCTransaction.begin(JDBCTransaction.java:68) at org.hibernate.impl.SessionImpl.beginTransaction(SessionImpl.java:1326) at org.springframework.orm.hibernate3.HibernateTransactionManager.doBegin(HibernateTransactionManager.java:558) ... 36 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: The last packet successfully received from the server was40510 seconds ago.The last packet sent successfully to the server was 40510 seconds ago, which is longer than the server configured value of 'wait_timeout'. You should consider either expiring and/or testing connection validity before use in your application, increasing the server configured values for client timeouts, or using the Connector/J connection property 'autoReconnect=true' to avoid this problem. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:406) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:1074) at com.mysql.jdbc.MysqlIO.send(MysqlIO.java:3246) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1917) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2060) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2536) at com.mysql.jdbc.ConnectionImpl.setAutoCommit(ConnectionImpl.java:4874) at com.mchange.v2.c3p0.impl.NewProxyConnection.setAutoCommit(NewProxyConnection.java:881) at org.hibernate.transaction.JDBCTransaction.begin(JDBCTransaction.java:63) ... 38 more Caused by: java.net.SocketException: Software caused connection abort: socket write error at java.net.SocketOutputStream.socketWrite0(Native Method) at java.net.SocketOutputStream.socketWrite(Unknown Source) at java.net.SocketOutputStream.write(Unknown Source) at java.io.BufferedOutputStream.flushBuffer(Unknown Source) at java.io.BufferedOutputStream.flush(Unknown Source) at com.mysql.jdbc.MysqlIO.send(MysqlIO.java:3227) ... 44 more Please what is the cause of this error and what must I do to rectify it? Thank you. John. To unsubscribe from this bug, go to: https://bugs.launchpad.net/dhis2/+bug/534567/+subscribe -- HTTP Error 500 Could not open Hibernate https://bugs.launchpad.net/bugs/534567 You received this bug notification because you are a member of DHIS 2 developers, which is subscribed to DHIS. Status in DHIS 2 - District Health Information Software: New Bug description: I currently have DHIS 2.0.3-SNAPSHOT installed on a system running Windows XP professional and hooked up to a MySQL database through a hibernate.properties file. The system works fine but I have observed that whenever the system has been idle for for some time (say after 4 to 6 hours) and I try to login into DHIS 2, I get the following error message: HTTP ERROR 500 Problem accessing /dhis-web-commons-security/login.action. Reason: Could not open Hibernate Session for transaction; nested exception is org.hibernate.TransactionException: JDBC begin failed: Caused by: org.springframework.transaction.CannotCreateTransactionException: Could not open Hibernate Session for transaction; nested exception is org.hibernate.TransactionException: JDBC begin failed: at org.springframework.orm.hibernate3.HibernateTransactionManager.doBegin(HibernateTransactionManager.java:599) at org.springframework.transaction.support.AbstractPlatformTransactionManager.getTransaction(AbstractPlatformTransactionManager.java:374) at org.springframework.transaction.interceptor.TransactionAspectSupport.createTransactionIfNecessary(TransactionAspectSupport.java:263) at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:101) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171) at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:204) at $Proxy63.loadUserByUsername(Unknown Source) at org.acegisecurity.providers.dao.DaoAuthenticationProvider.retrieveUser(DaoAuthenticationProvider.java:86) at org.acegisecurity.providers.dao.AbstractUserDetailsAuthenticationProvider.authenticate(AbstractUserDetailsAuthenticationProvider.java:115) at org.acegisecurity.providers.ProviderManager.doAuthentication(ProviderManager.java:188) at org.acegisecurity.AbstractAuthenticationManager.authenticate(AbstractAuthenticationManager.java:45) at org.acegisecurity.ui.webapp.AuthenticationProcessingFilter.attemptAuthentication(AuthenticationProcessingFilter.java:71) at org.acegisecurity.ui.AbstractProcessingFilter.doFilter(AbstractProcessingFilter.java:199) at org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:274) at org.acegisecurity.context.HttpSessionContextIntegrationFilter.doFilter(HttpSessionContextIntegrationFilter.java:193) at org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:274) at org.acegisecurity.util.FilterChainProxy.doFilter(FilterChainProxy.java:148) at org.acegisecurity.util.FilterToBeanProxy.doFilter(FilterToBeanProxy.java:98) at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1139) at org.springframework.orm.hibernate3.support.OpenSessionInViewFilter.doFilterInternal(OpenSessionInViewFilter.java:198) at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76) at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1139) at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:378) at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216) at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:181) at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:765) at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:417) at org.mortbay.jetty.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:230) at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152) at org.mortbay.jetty.Server.handle(Server.java:324) at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:535) at org.mortbay.jetty.HttpConnection$RequestHandler.content(HttpConnection.java:880) at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:747) at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:218) at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404) at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:409) at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:520) Caused by: org.hibernate.TransactionException: JDBC begin failed: at org.hibernate.transaction.JDBCTransaction.begin(JDBCTransaction.java:68) at org.hibernate.impl.SessionImpl.beginTransaction(SessionImpl.java:1326) at org.springframework.orm.hibernate3.HibernateTransactionManager.doBegin(HibernateTransactionManager.java:558) ... 36 more Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: The last packet successfully received from the server was40510 seconds ago.The last packet sent successfully to the server was 40510 seconds ago, which is longer than the server configured value of 'wait_timeout'. You should consider either expiring and/or testing connection validity before use in your application, increasing the server configured values for client timeouts, or using the Connector/J connection property 'autoReconnect=true' to avoid this problem. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at com.mysql.jdbc.Util.handleNewInstance(Util.java:406) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:1074) at com.mysql.jdbc.MysqlIO.send(MysqlIO.java:3246) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1917) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2060) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2536) at com.mysql.jdbc.ConnectionImpl.setAutoCommit(ConnectionImpl.java:4874) at com.mchange.v2.c3p0.impl.NewProxyConnection.setAutoCommit(NewProxyConnection.java:881) at org.hibernate.transaction.JDBCTransaction.begin(JDBCTransaction.java:63) ... 38 more Caused by: java.net.SocketException: Software caused connection abort: socket write error at java.net.SocketOutputStream.socketWrite0(Native Method) at java.net.SocketOutputStream.socketWrite(Unknown Source) at java.net.SocketOutputStream.write(Unknown Source) at java.io.BufferedOutputStream.flushBuffer(Unknown Source) at java.io.BufferedOutputStream.flush(Unknown Source) at com.mysql.jdbc.MysqlIO.send(MysqlIO.java:3227) ... 44 more Please what is the cause of this error and what must I do to rectify it? Thank you. John. _______________________________________________ Mailing list: https://launchpad.net/~dhis2-devs Post to : dhis2-devs@lists.launchpad.net Unsubscribe : https://launchpad.net/~dhis2-devs More help : https://help.launchpad.net/ListHelp
