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I've a knowage (6.1.1) installation on an ubuntu machine (18.4.1). It runs on mysql 5.7. Every morning, as I try to log-in the browser gives out this error:

An error has occurred. Retry later. If the problems persists, contact the system administrator.

This is today knowage.log:

! [http-bio-8080-exec-9] 23 May 2018 07:01:44,515 ERROR org.hibernate.transaction.JDBCTransaction.begin:91 - JDBC begin failed com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: The last packet successfully received from the server was 83,533,832 milliseconds ago. The last packet sent successfully to the server was 83,533,832 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:377) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:1036) at com.mysql.jdbc.MysqlIO.send(MysqlIO.java:3661) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2417) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2582) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2526) at com.mysql.jdbc.ConnectionImpl.setAutoCommit(ConnectionImpl.java:4842) at org.apache.tomcat.dbcp.dbcp.DelegatingConnection.setAutoCommit(DelegatingConnection.java:371) at org.apache.tomcat.dbcp.dbcp.PoolingDataSource$PoolGuardConnectionWrapper.setAutoCommit(PoolingDataSource.java:328) at org.hibernate.transaction.JDBCTransaction.begin(JDBCTransaction.java:87) at org.hibernate.impl.SessionImpl.beginTransaction(SessionImpl.java:1473) at it.eng.spagobi.wapp.dao.MenuDAOImpl.loadMenuByID(MenuDAOImpl.java:173) at it.eng.spagobi.wapp.dao.MenuRolesDAOImpl.loadMenuByRoleId(MenuRolesDAOImpl.java:84) at it.eng.spagobi.wapp.util.MenuUtilities.getMenuItems(MenuUtilities.java:204) at it.eng.spagobi.commons.services.LoginModule.service(LoginModule.java:454) at it.eng.spago.dispatching.module.DefaultPage.invokeServiceBusiness(DefaultPage.java:352) at it.eng.spago.dispatching.module.DefaultPage.nextStep(DefaultPage.java:302) at it.eng.spago.dispatching.module.DefaultPage.service(DefaultPage.java:202) at it.eng.spago.dispatching.module.ModuleCoordinator.service(ModuleCoordinator.java:102) at it.eng.spago.dispatching.httpchannel.AdapterHTTP.service(AdapterHTTP.java:436) at javax.servlet.http.HttpServlet.service(HttpServlet.java:728) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210) at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210) at it.eng.spagobi.utilities.filters.AntiInjectionFilter.doFilter(AntiInjectionFilter.java:45) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210) at it.eng.spagobi.commons.filters.ProfileFilter.doFilter(ProfileFilter.java:148) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210) at it.eng.spagobi.commons.filters.SpagoBICoreCheckSessionFilter.doFilter(SpagoBICoreCheckSessionFilter.java:94) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210) at it.eng.spagobi.utilities.filters.EncodingFilter.doFilter(EncodingFilter.java:54) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:502) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:100) at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:953) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:409) at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1044) at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:607) at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:315) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 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:3643) ... 49 more [http-bio-8080-exec-9] 23 May 2018 07:01:44,515 ERROR org.hibernate.transaction.JDBCTransaction.begin:91 - JDBC begin failed com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: The last packet successfully received from the server was 83,533,832 milliseconds ago. The last packet sent successfully to the server was 83,533,832 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:377) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:1036) at com.mysql.jdbc.MysqlIO.send(MysqlIO.java:3661) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2417) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2582) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2526) at com.mysql.jdbc.ConnectionImpl.setAutoCommit(ConnectionImpl.java:4842) at org.apache.tomcat.dbcp.dbcp.DelegatingConnection.setAutoCommit(DelegatingConnection.java:371) at org.apache.tomcat.dbcp.dbcp.PoolingDataSource$PoolGuardConnectionWrapper.setAutoCommit(PoolingDataSource.java:328) at org.hibernate.transaction.JDBCTransaction.begin(JDBCTransaction.java:87) at org.hibernate.impl.SessionImpl.beginTransaction(SessionImpl.java:1473) at it.eng.spagobi.wapp.dao.MenuDAOImpl.loadMenuByID(MenuDAOImpl.java:173) at it.eng.spagobi.wapp.dao.MenuRolesDAOImpl.loadMenuByRoleId(MenuRolesDAOImpl.java:84) at it.eng.spagobi.wapp.util.MenuUtilities.getMenuItems(MenuUtilities.java:204) at it.eng.spagobi.commons.services.LoginModule.service(LoginModule.java:454) at it.eng.spago.dispatching.module.DefaultPage.invokeServiceBusiness(DefaultPage.java:352) at it.eng.spago.dispatching.module.DefaultPage.nextStep(DefaultPage.java:302) at it.eng.spago.dispatching.module.DefaultPage.service(DefaultPage.java:202) at it.eng.spago.dispatching.module.ModuleCoordinator.service(ModuleCoordinator.java:102) at it.eng.spago.dispatching.httpchannel.AdapterHTTP.service(AdapterHTTP.java:436) at javax.servlet.http.HttpServlet.service(HttpServlet.java:728) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210) at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210) at it.eng.spagobi.utilities.filters.AntiInjectionFilter.doFilter(AntiInjectionFilter.java:45) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210) at it.eng.spagobi.commons.filters.ProfileFilter.doFilter(ProfileFilter.java:148) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210) at it.eng.spagobi.commons.filters.SpagoBICoreCheckSessionFilter.doFilter(SpagoBICoreCheckSessionFilter.java:94) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210) at it.eng.spagobi.utilities.filters.EncodingFilter.doFilter(EncodingFilter.java:54) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:502) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:100) at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:953) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:409) at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1044) at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:607) at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:315) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) 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:3643) ... 49 more [http-bio-8080-exec-9] 23 May 2018 07:01:44,528 ERROR it.eng.spagobi.commons.dao.AbstractHibernateDAO.logException:254 - org.hibernate.TransactionException JDBC begin failed: org.hibernate.TransactionException: JDBC begin failed: at org.hibernate.transaction.JDBCTransaction.begin(JDBCTransaction.java:92) at org.hibernate.impl.SessionImpl.beginTransaction(SessionImpl.java:1473) at it.eng.spagobi.wapp.dao.MenuDAOImpl.loadMenuByID(MenuDAOImpl.java:173) at it.eng.spagobi.wapp.dao.MenuRolesDAOImpl.loadMenuByRoleId(MenuRolesDAOImpl.java:84) at it.eng.spagobi.wapp.util.MenuUtilities.getMenuItems(MenuUtilities.java:204) at it.eng.spagobi.commons.services.LoginModule.service(LoginModule.java:454) at it.eng.spago.dispatching.module.DefaultPage.invokeServiceBusiness(DefaultPage.java:352) at it.eng.spago.dispatching.module.DefaultPage.nextStep(DefaultPage.java:302) at it.eng.spago.dispatching.module.DefaultPage.service(DefaultPage.java:202) at it.eng.spago.dispatching.module.ModuleCoordinator.service(ModuleCoordinator.java:102) at it.eng.spago.dispatching.httpchannel.AdapterHTTP.service(AdapterHTTP.java:436) at javax.servlet.http.HttpServlet.service(HttpServlet.java:728) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210) at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210) at it.eng.spagobi.utilities.filters.AntiInjectionFilter.doFilter(AntiInjectionFilter.java:45) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210) at it.eng.spagobi.commons.filters.ProfileFilter.doFilter(ProfileFilter.java:148) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210) at it.eng.spagobi.commons.filters.SpagoBICoreCheckSessionFilter.doFilter(SpagoBICoreCheckSessionFilter.java:94) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210) at it.eng.spagobi.utilities.filters.EncodingFilter.doFilter(EncodingFilter.java:54) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:502) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:100) at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:953) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:409) at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1044) at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:607) at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:315) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: The last packet successfully received from the server was 83,533,832 milliseconds ago. The last packet sent successfully to the server was 83,533,832 milliseconds ago. is longer than the server configured value of 'wait_timeout'. You should consider either expiring and/or testing connection validity before use in your application, increasing the server configured values for client timeouts, or using the Connector/J connection property 'autoReconnect=true' to avoid this problem. at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:423) at com.mysql.jdbc.Util.handleNewInstance(Util.java:377) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:1036) at com.mysql.jdbc.MysqlIO.send(MysqlIO.java:3661) at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2417) at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2582) at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2526) at com.mysql.jdbc.ConnectionImpl.setAutoCommit(ConnectionImpl.java:4842) at org.apache.tomcat.dbcp.dbcp.DelegatingConnection.setAutoCommit(DelegatingConnection.java:371) at org.apache.tomcat.dbcp.dbcp.PoolingDataSource$PoolGuardConnectionWrapper.setAutoCommit(PoolingDataSource.java:328) at org.hibernate.transaction.JDBCTransaction.begin(JDBCTransaction.java:87) ... 42 more 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:3643) ... 49 more [http-bio-8080-exec-9] 23 May 2018 07:01:44,536 ERROR org.hibernate.util.JDBCExceptionReporter.logExceptions:234 - Already closed. [http-bio-8080-exec-9] 23 May 2018 07:01:44,536 ERROR org.hibernate.util.JDBCExceptionReporter.logExceptions:234 - Already closed. [http-bio-8080-exec-9] 23 May 2018 07:01:44,536 ERROR it.eng.spagobi.wapp.dao.MenuRolesDAOImpl.loadMenuByRoleId:92 - HibernateException org.hibernate.exception.GenericJDBCException: Cannot release connection at org.hibernate.exception.SQLStateConverter.handledNonSpecificException(SQLStateConverter.java:140) at org.hibernate.exception.SQLStateConverter.convert(SQLStateConverter.java:128) at org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:66) at org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:52) at org.hibernate.jdbc.ConnectionManager.closeConnection(ConnectionManager.java:478) at org.hibernate.jdbc.ConnectionManager.cleanup(ConnectionManager.java:408) at org.hibernate.jdbc.ConnectionManager.close(ConnectionManager.java:347) at org.hibernate.impl.SessionImpl.close(SessionImpl.java:343) at it.eng.spagobi.wapp.dao.MenuDAOImpl.loadMenuByID(MenuDAOImpl.java:197) at it.eng.spagobi.wapp.dao.MenuRolesDAOImpl.loadMenuByRoleId(MenuRolesDAOImpl.java:84) at it.eng.spagobi.wapp.util.MenuUtilities.getMenuItems(MenuUtilities.java:204) at it.eng.spagobi.commons.services.LoginModule.service(LoginModule.java:454) at it.eng.spago.dispatching.module.DefaultPage.invokeServiceBusiness(DefaultPage.java:352) at it.eng.spago.dispatching.module.DefaultPage.nextStep(DefaultPage.java:302) at it.eng.spago.dispatching.module.DefaultPage.service(DefaultPage.java:202) at it.eng.spago.dispatching.module.ModuleCoordinator.service(ModuleCoordinator.java:102) at it.eng.spago.dispatching.httpchannel.AdapterHTTP.service(AdapterHTTP.java:436) at javax.servlet.http.HttpServlet.service(HttpServlet.java:728) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210) at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210) at it.eng.spagobi.utilities.filters.AntiInjectionFilter.doFilter(AntiInjectionFilter.java:45) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210) at it.eng.spagobi.commons.filters.ProfileFilter.doFilter(ProfileFilter.java:148) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210) at it.eng.spagobi.commons.filters.SpagoBICoreCheckSessionFilter.doFilter(SpagoBICoreCheckSessionFilter.java:94) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210) at it.eng.spagobi.utilities.filters.EncodingFilter.doFilter(EncodingFilter.java:54) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:502) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:100) at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:953) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:409) at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1044) at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:607) at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:315) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Caused by: java.sql.SQLException: Already closed. at org.apache.tomcat.dbcp.dbcp.PoolableConnection.close(PoolableConnection.java:114) at org.apache.tomcat.dbcp.dbcp.PoolingDataSource$PoolGuardConnectionWrapper.close(PoolingDataSource.java:191) at org.hibernate.connection.DatasourceConnectionProvider.closeConnection(DatasourceConnectionProvider.java:97) at org.hibernate.jdbc.ConnectionManager.closeConnection(ConnectionManager.java:474) ... 44 more [http-bio-8080-exec-9] 23 May 2018 07:01:44,545 ERROR it.eng.spagobi.wapp.util.MenuUtilities.getMenuItems:232 - Cannot fill response containerseverity [ERROR] description [Generic Error]

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