Type Exception Report
Message javax.servlet.ServletException: com.mysql.cj.jdbc.exceptions.CommunicationsException: The last packet successfully received from the server was 48,287,005 milliseconds ago. The last packet sent successfully to the server was 48,287,006 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.
Description The server encountered an unexpected condition that prevented it from fulfilling the request.
Exception
javax.servlet.ServletException: javax.servlet.ServletException: com.mysql.cj.jdbc.exceptions.CommunicationsException: The last packet successfully received from the server was 48,287,005 milliseconds ago. The last packet sent successfully to the server was 48,287,006 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. ktvapp.KtvServlet.getApplicationContext(KtvServlet.java:96) ktvapp.KtvServlet.getApplicationContext(KtvServlet.java:15) pvgoran.servlet.subjectdriven.SubjectDrivenServletBase.service(SubjectDrivenServletBase.java:89) javax.servlet.http.HttpServlet.service(HttpServlet.java:623) org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:51)
Root Cause
javax.servlet.ServletException: com.mysql.cj.jdbc.exceptions.CommunicationsException: The last packet successfully received from the server was 48,287,005 milliseconds ago. The last packet sent successfully to the server was 48,287,006 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. ktvapp.KtvApplicationContext.<init>(KtvApplicationContext.java:128) ktvapp.KtvServlet.getApplicationContext(KtvServlet.java:94) ktvapp.KtvServlet.getApplicationContext(KtvServlet.java:15) pvgoran.servlet.subjectdriven.SubjectDrivenServletBase.service(SubjectDrivenServletBase.java:89) javax.servlet.http.HttpServlet.service(HttpServlet.java:623) org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:51)
Root Cause
com.mysql.cj.jdbc.exceptions.CommunicationsException: The last packet successfully received from the server was 48,287,005 milliseconds ago. The last packet sent successfully to the server was 48,287,006 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. com.mysql.cj.jdbc.exceptions.SQLError.createCommunicationsException(SQLError.java:175) com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64) com.mysql.cj.jdbc.ClientPreparedStatement.executeInternal(ClientPreparedStatement.java:916) com.mysql.cj.jdbc.ClientPreparedStatement.executeQuery(ClientPreparedStatement.java:972) sun.reflect.GeneratedMethodAccessor52.invoke(Unknown Source) sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) java.lang.reflect.Method.invoke(Method.java:498) org.apache.tomcat.jdbc.pool.StatementFacade$StatementProxy.invoke(StatementFacade.java:118) com.sun.proxy.$Proxy14.executeQuery(Unknown Source) pvgoran.dataaccess.InstancefulDAO.executeSelectGetString(InstancefulDAO.java:850) logic.dao.UserDAO.getRolePermissions(UserDAO.java:81) ktvapp.KtvApplicationContext.<init>(KtvApplicationContext.java:124) ktvapp.KtvServlet.getApplicationContext(KtvServlet.java:94) ktvapp.KtvServlet.getApplicationContext(KtvServlet.java:15) pvgoran.servlet.subjectdriven.SubjectDrivenServletBase.service(SubjectDrivenServletBase.java:89) javax.servlet.http.HttpServlet.service(HttpServlet.java:623) org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:51)
Root Cause
com.mysql.cj.exceptions.CJCommunicationsException: The last packet successfully received from the server was 48,287,005 milliseconds ago. The last packet sent successfully to the server was 48,287,006 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. sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) java.lang.reflect.Constructor.newInstance(Constructor.java:423) com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:62) com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:150) com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:166) com.mysql.cj.protocol.a.NativeProtocol.send(NativeProtocol.java:629) com.mysql.cj.protocol.a.NativeProtocol.sendCommand(NativeProtocol.java:684) com.mysql.cj.protocol.a.NativeProtocol.sendQueryPacket(NativeProtocol.java:1052) com.mysql.cj.NativeSession.execSQL(NativeSession.java:657) com.mysql.cj.jdbc.ClientPreparedStatement.executeInternal(ClientPreparedStatement.java:893) com.mysql.cj.jdbc.ClientPreparedStatement.executeQuery(ClientPreparedStatement.java:972) sun.reflect.GeneratedMethodAccessor52.invoke(Unknown Source) sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) java.lang.reflect.Method.invoke(Method.java:498) org.apache.tomcat.jdbc.pool.StatementFacade$StatementProxy.invoke(StatementFacade.java:118) com.sun.proxy.$Proxy14.executeQuery(Unknown Source) pvgoran.dataaccess.InstancefulDAO.executeSelectGetString(InstancefulDAO.java:850) logic.dao.UserDAO.getRolePermissions(UserDAO.java:81) ktvapp.KtvApplicationContext.<init>(KtvApplicationContext.java:124) ktvapp.KtvServlet.getApplicationContext(KtvServlet.java:94) ktvapp.KtvServlet.getApplicationContext(KtvServlet.java:15) pvgoran.servlet.subjectdriven.SubjectDrivenServletBase.service(SubjectDrivenServletBase.java:89) javax.servlet.http.HttpServlet.service(HttpServlet.java:623) org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:51)
Root Cause
java.net.SocketException: Connection reset java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:115) java.net.SocketOutputStream.write(SocketOutputStream.java:155) java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:82) java.io.BufferedOutputStream.flush(BufferedOutputStream.java:140) com.mysql.cj.protocol.a.SimplePacketSender.send(SimplePacketSender.java:55) com.mysql.cj.protocol.a.TimeTrackingPacketSender.send(TimeTrackingPacketSender.java:50) com.mysql.cj.protocol.a.NativeProtocol.send(NativeProtocol.java:620) com.mysql.cj.protocol.a.NativeProtocol.sendCommand(NativeProtocol.java:684) com.mysql.cj.protocol.a.NativeProtocol.sendQueryPacket(NativeProtocol.java:1052) com.mysql.cj.NativeSession.execSQL(NativeSession.java:657) com.mysql.cj.jdbc.ClientPreparedStatement.executeInternal(ClientPreparedStatement.java:893) com.mysql.cj.jdbc.ClientPreparedStatement.executeQuery(ClientPreparedStatement.java:972) sun.reflect.GeneratedMethodAccessor52.invoke(Unknown Source) sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) java.lang.reflect.Method.invoke(Method.java:498) org.apache.tomcat.jdbc.pool.StatementFacade$StatementProxy.invoke(StatementFacade.java:118) com.sun.proxy.$Proxy14.executeQuery(Unknown Source) pvgoran.dataaccess.InstancefulDAO.executeSelectGetString(InstancefulDAO.java:850) logic.dao.UserDAO.getRolePermissions(UserDAO.java:81) ktvapp.KtvApplicationContext.<init>(KtvApplicationContext.java:124) ktvapp.KtvServlet.getApplicationContext(KtvServlet.java:94) ktvapp.KtvServlet.getApplicationContext(KtvServlet.java:15) pvgoran.servlet.subjectdriven.SubjectDrivenServletBase.service(SubjectDrivenServletBase.java:89) javax.servlet.http.HttpServlet.service(HttpServlet.java:623) org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:51)
Note The full stack trace of the root cause is available in the server logs.