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While executing page http://www.best.eu.org/courses/howToWriteAMotivationLetter.jsp The problem is related to SQL: SQLstate: 08003 ErrorCode: 0 Message: No operations allowed after connection closed.Connection was implicitly closed due to underlying exception/error: ** BEGIN NESTED EXCEPTION ** com.mysql.jdbc.exceptions.jdbc4.CommunicationsException MESSAGE: The last packet successfully received from the server was 173,183,615 milliseconds ago. The last packet sent successfully to the server was 173,183,615 milliseconds ago. 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. STACKTRACE: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: The last packet successfully received from the server was 173,183,615 milliseconds ago. The last packet sent successfully to the server was 173,183,615 milliseconds ago. 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(NativeConstructorAccessorImpl.java:62) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:423) 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:3291) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1938) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2107) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2648) at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:2086) at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:2237) at com.mchange.v2.c3p0.impl.NewProxyPreparedStatement.executeQuery(NewProxyPreparedStatement.java:76) at org.makumba.db.makumba.sql.Query.execute(Query.java:120) at org.makumba.db.makumba.DBConnection.executeQuery(DBConnection.java:179) at org.makumba.db.makumba.DBConnectionWrapper.executeQuery(DBConnectionWrapper.java:85) at org.makumba.db.makumba.DBConnection.executeQuery(DBConnection.java:195) at org.eu.best.johnny.dao.SeasonDAO.getMainInfo(Unknown Source) at org.eu.best.activities.ActivityDAOImpl.generateActivityFromDbRecord(Unknown Source) at org.eu.best.activities.ActivityDAOImpl.separateActivitiesForCreation(Unknown Source) at org.eu.best.activities.ActivityDAOImpl.retrieveActivitiesBySeason(Unknown Source) at org.eu.best.website.CoursesLogic.checkAttributes(Unknown Source) at sun.reflect.GeneratedMethodAccessor100.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.makumba.controller.Logic.doInit(Logic.java:671) at org.makumba.commons.attributes.RequestAttributes.<init>(RequestAttributes.java:145) at org.makumba.commons.attributes.RequestAttributes.<init>(RequestAttributes.java:128) at org.makumba.commons.attributes.RequestAttributes.getAttributes(RequestAttributes.java:82) at org.makumba.commons.attributes.AttributesControllerHandler.beforeFilter(AttributesControllerHandler.java:43) at org.makumba.controller.http.ControllerFilter.doFilter(ControllerFilter.java:100) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208) at org.eu.best.tools.ServletAttributeFilter.doFilter(Unknown Source) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208) at org.eu.best.tools.SessionDomainFilter.doFilter(Unknown Source) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208) at org.eu.best.tools.WelcomeFilter.doFilter(Unknown Source) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208) at org.eu.best.tools.PageBufferSizeFilter.doFilter(Unknown Source) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208) at org.eu.best.tools.UriRewriteFilter.doFilter(Unknown Source) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208) at org.eu.best.tools.VHostFilter.doFilter(Unknown Source) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:503) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:170) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103) at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:950) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:421) at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1070) at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:611) at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:314) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) at java.lang.Thread.run(http://java.sun.com/j2se/1.4.2/docs/api/java/lang/Thread.html" title="java.lang.Thread">Thread.java:750) Caused by: java.net.SocketException: Broken pipe (Write failed) at java.net.SocketOutputStream.socketWrite0(Native Method) at java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:111) at java.net.SocketOutputStream.write(SocketOutputStream.java:155) at java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:82) at java.io.BufferedOutputStream.flush(BufferedOutputStream.java:140) at com.mysql.jdbc.MysqlIO.send(MysqlIO.java:3272) ... 59 more ** END NESTED EXCEPTION ** Refer to your SQL server's documentation for error explanation. Please check the configuration of your webapp and SQL server. com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No operations allowed after connection closed.Connection was implicitly closed due to underlying exception/error: ** BEGIN NESTED EXCEPTION ** com.mysql.jdbc.exceptions.jdbc4.CommunicationsException MESSAGE: The last packet successfully received from the server was 173,183,615 milliseconds ago. The last packet sent successfully to the server was 173,183,615 milliseconds ago. 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. STACKTRACE: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: The last packet successfully received from the server was 173,183,615 milliseconds ago. The last packet sent successfully to the server was 173,183,615 milliseconds ago. 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.