Struts Problem Report

Stacktraces

org.hibernate.exception.JDBCConnectionException: Unable to acquire JDBC Connection

    org.hibernate.exception.internal.SQLStateConversionDelegate.convert(SQLStateConversionDelegate.java:115)
    org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:42)
    org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:113)
    org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:99)
    org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.acquireConnectionIfNeeded(LogicalConnectionManagedImpl.java:109)
    org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.getPhysicalConnection(LogicalConnectionManagedImpl.java:136)
    org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.getConnectionForTransactionManagement(LogicalConnectionManagedImpl.java:254)
    org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.begin(LogicalConnectionManagedImpl.java:262)
    org.hibernate.resource.transaction.backend.jdbc.internal.JdbcResourceLocalTransactionCoordinatorImpl$TransactionDriverControlImpl.begin(JdbcResourceLocalTransactionCoordinatorImpl.java:236)
    org.hibernate.engine.transaction.internal.TransactionImpl.begin(TransactionImpl.java:86)
    org.hibernate.internal.AbstractSharedSessionContract.beginTransaction(AbstractSharedSessionContract.java:452)
    java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
    java.base/java.lang.reflect.Method.invoke(Method.java:580)
    org.hibernate.context.internal.ThreadLocalSessionContext$TransactionProtectionWrapper.invoke(ThreadLocalSessionContext.java:350)
    jdk.proxy3/jdk.proxy3.$Proxy147.beginTransaction(Unknown Source)
    nl.delphinity.slidehub.interceptor.HibernateSessionInterceptor.intercept(HibernateSessionInterceptor.java:31)
    com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)
    org.apache.struts2.factory.StrutsActionProxy.execute(StrutsActionProxy.java:48)
    org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:574)
    org.apache.struts2.dispatcher.ExecuteOperations.executeAction(ExecuteOperations.java:79)
    org.apache.struts2.dispatcher.filter.StrutsPrepareAndExecuteFilter.doFilter(StrutsPrepareAndExecuteFilter.java:141)
    org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:168)
    org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:144)
    org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:168)
    org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:90)
    org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:482)
    org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:130)
    org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:93)
    org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:660)
    org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74)
    org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:346)
    org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:383)
    org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:63)
    org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:937)
    org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1791)
    org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:52)
    org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1190)
    org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:659)
    org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:63)
    java.base/java.lang.Thread.run(Thread.java:1583)

com.mysql.cj.jdbc.exceptions.CommunicationsException: The last packet successfully received from the server was 29,323,878 milliseconds ago. The last packet sent successfully to the server was 29,323,879 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:174)
    com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:64)
    com.mysql.cj.jdbc.ConnectionImpl.setAutoCommit(ConnectionImpl.java:2056)
    org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl$PooledConnections.poll(DriverManagerConnectionProviderImpl.java:282)
    org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl$PoolState.getConnection(DriverManagerConnectionProviderImpl.java:430)
    org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl.getConnection(DriverManagerConnectionProviderImpl.java:171)
    org.hibernate.internal.NonContextualJdbcConnectionAccess.obtainConnection(NonContextualJdbcConnectionAccess.java:35)
    org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.acquireConnectionIfNeeded(LogicalConnectionManagedImpl.java:106)
    org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.getPhysicalConnection(LogicalConnectionManagedImpl.java:136)
    org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.getConnectionForTransactionManagement(LogicalConnectionManagedImpl.java:254)
    org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.begin(LogicalConnectionManagedImpl.java:262)
    org.hibernate.resource.transaction.backend.jdbc.internal.JdbcResourceLocalTransactionCoordinatorImpl$TransactionDriverControlImpl.begin(JdbcResourceLocalTransactionCoordinatorImpl.java:236)
    org.hibernate.engine.transaction.internal.TransactionImpl.begin(TransactionImpl.java:86)
    org.hibernate.internal.AbstractSharedSessionContract.beginTransaction(AbstractSharedSessionContract.java:452)
    java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
    java.base/java.lang.reflect.Method.invoke(Method.java:580)
    org.hibernate.context.internal.ThreadLocalSessionContext$TransactionProtectionWrapper.invoke(ThreadLocalSessionContext.java:350)
    jdk.proxy3/jdk.proxy3.$Proxy147.beginTransaction(Unknown Source)
    nl.delphinity.slidehub.interceptor.HibernateSessionInterceptor.intercept(HibernateSessionInterceptor.java:31)
    com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)
    org.apache.struts2.factory.StrutsActionProxy.execute(StrutsActionProxy.java:48)
    org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:574)
    org.apache.struts2.dispatcher.ExecuteOperations.executeAction(ExecuteOperations.java:79)
    org.apache.struts2.dispatcher.filter.StrutsPrepareAndExecuteFilter.doFilter(StrutsPrepareAndExecuteFilter.java:141)
    org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:168)
    org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:144)
    org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:168)
    org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:90)
    org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:482)
    org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:130)
    org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:93)
    org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:660)
    org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74)
    org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:346)
    org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:383)
    org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:63)
    org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:937)
    org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1791)
    org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:52)
    org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1190)
    org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:659)
    org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:63)
    java.base/java.lang.Thread.run(Thread.java:1583)

com.mysql.cj.exceptions.CJCommunicationsException: The last packet successfully received from the server was 29,323,878 milliseconds ago. The last packet sent successfully to the server was 29,323,879 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.

    java.base/jdk.internal.reflect.DirectConstructorHandleAccessor.newInstance(DirectConstructorHandleAccessor.java:62)
    java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:502)
    java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:486)
    com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:61)
    com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105)
    com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:151)
    com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:167)
    com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:538)
    com.mysql.cj.protocol.a.NativeProtocol.checkErrorMessage(NativeProtocol.java:702)
    com.mysql.cj.protocol.a.NativeProtocol.sendCommand(NativeProtocol.java:641)
    com.mysql.cj.protocol.a.NativeProtocol.sendQueryPacket(NativeProtocol.java:940)
    com.mysql.cj.protocol.a.NativeProtocol.sendQueryString(NativeProtocol.java:886)
    com.mysql.cj.NativeSession.execSQL(NativeSession.java:1073)
    com.mysql.cj.jdbc.ConnectionImpl.setAutoCommit(ConnectionImpl.java:2046)
    org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl$PooledConnections.poll(DriverManagerConnectionProviderImpl.java:282)
    org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl$PoolState.getConnection(DriverManagerConnectionProviderImpl.java:430)
    org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl.getConnection(DriverManagerConnectionProviderImpl.java:171)
    org.hibernate.internal.NonContextualJdbcConnectionAccess.obtainConnection(NonContextualJdbcConnectionAccess.java:35)
    org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.acquireConnectionIfNeeded(LogicalConnectionManagedImpl.java:106)
    org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.getPhysicalConnection(LogicalConnectionManagedImpl.java:136)
    org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.getConnectionForTransactionManagement(LogicalConnectionManagedImpl.java:254)
    org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.begin(LogicalConnectionManagedImpl.java:262)
    org.hibernate.resource.transaction.backend.jdbc.internal.JdbcResourceLocalTransactionCoordinatorImpl$TransactionDriverControlImpl.begin(JdbcResourceLocalTransactionCoordinatorImpl.java:236)
    org.hibernate.engine.transaction.internal.TransactionImpl.begin(TransactionImpl.java:86)
    org.hibernate.internal.AbstractSharedSessionContract.beginTransaction(AbstractSharedSessionContract.java:452)
    java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
    java.base/java.lang.reflect.Method.invoke(Method.java:580)
    org.hibernate.context.internal.ThreadLocalSessionContext$TransactionProtectionWrapper.invoke(ThreadLocalSessionContext.java:350)
    jdk.proxy3/jdk.proxy3.$Proxy147.beginTransaction(Unknown Source)
    nl.delphinity.slidehub.interceptor.HibernateSessionInterceptor.intercept(HibernateSessionInterceptor.java:31)
    com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)
    org.apache.struts2.factory.StrutsActionProxy.execute(StrutsActionProxy.java:48)
    org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:574)
    org.apache.struts2.dispatcher.ExecuteOperations.executeAction(ExecuteOperations.java:79)
    org.apache.struts2.dispatcher.filter.StrutsPrepareAndExecuteFilter.doFilter(StrutsPrepareAndExecuteFilter.java:141)
    org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:168)
    org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:144)
    org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:168)
    org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:90)
    org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:482)
    org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:130)
    org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:93)
    org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:660)
    org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74)
    org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:346)
    org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:383)
    org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:63)
    org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:937)
    org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1791)
    org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:52)
    org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1190)
    org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:659)
    org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:63)
    java.base/java.lang.Thread.run(Thread.java:1583)

java.io.EOFException: Can not read response from server. Expected to read 4 bytes, read 0 bytes before connection was unexpectedly lost.

    com.mysql.cj.protocol.FullReadInputStream.readFully(FullReadInputStream.java:67)
    com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:63)
    com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:45)
    com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:52)
    com.mysql.cj.protocol.a.TimeTrackingPacketReader.readHeader(TimeTrackingPacketReader.java:41)
    com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:54)
    com.mysql.cj.protocol.a.MultiPacketReader.readHeader(MultiPacketReader.java:44)
    com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:532)
    com.mysql.cj.protocol.a.NativeProtocol.checkErrorMessage(NativeProtocol.java:702)
    com.mysql.cj.protocol.a.NativeProtocol.sendCommand(NativeProtocol.java:641)
    com.mysql.cj.protocol.a.NativeProtocol.sendQueryPacket(NativeProtocol.java:940)
    com.mysql.cj.protocol.a.NativeProtocol.sendQueryString(NativeProtocol.java:886)
    com.mysql.cj.NativeSession.execSQL(NativeSession.java:1073)
    com.mysql.cj.jdbc.ConnectionImpl.setAutoCommit(ConnectionImpl.java:2046)
    org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl$PooledConnections.poll(DriverManagerConnectionProviderImpl.java:282)
    org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl$PoolState.getConnection(DriverManagerConnectionProviderImpl.java:430)
    org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl.getConnection(DriverManagerConnectionProviderImpl.java:171)
    org.hibernate.internal.NonContextualJdbcConnectionAccess.obtainConnection(NonContextualJdbcConnectionAccess.java:35)
    org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.acquireConnectionIfNeeded(LogicalConnectionManagedImpl.java:106)
    org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.getPhysicalConnection(LogicalConnectionManagedImpl.java:136)
    org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.getConnectionForTransactionManagement(LogicalConnectionManagedImpl.java:254)
    org.hibernate.resource.jdbc.internal.LogicalConnectionManagedImpl.begin(LogicalConnectionManagedImpl.java:262)
    org.hibernate.resource.transaction.backend.jdbc.internal.JdbcResourceLocalTransactionCoordinatorImpl$TransactionDriverControlImpl.begin(JdbcResourceLocalTransactionCoordinatorImpl.java:236)
    org.hibernate.engine.transaction.internal.TransactionImpl.begin(TransactionImpl.java:86)
    org.hibernate.internal.AbstractSharedSessionContract.beginTransaction(AbstractSharedSessionContract.java:452)
    java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
    java.base/java.lang.reflect.Method.invoke(Method.java:580)
    org.hibernate.context.internal.ThreadLocalSessionContext$TransactionProtectionWrapper.invoke(ThreadLocalSessionContext.java:350)
    jdk.proxy3/jdk.proxy3.$Proxy147.beginTransaction(Unknown Source)
    nl.delphinity.slidehub.interceptor.HibernateSessionInterceptor.intercept(HibernateSessionInterceptor.java:31)
    com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)
    org.apache.struts2.factory.StrutsActionProxy.execute(StrutsActionProxy.java:48)
    org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:574)
    org.apache.struts2.dispatcher.ExecuteOperations.executeAction(ExecuteOperations.java:79)
    org.apache.struts2.dispatcher.filter.StrutsPrepareAndExecuteFilter.doFilter(StrutsPrepareAndExecuteFilter.java:141)
    org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:168)
    org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:144)
    org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:168)
    org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:90)
    org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:482)
    org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:130)
    org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:93)
    org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:660)
    org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74)
    org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:346)
    org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:383)
    org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:63)
    org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:937)
    org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1791)
    org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:52)
    org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1190)
    org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:659)
    org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:63)
    java.base/java.lang.Thread.run(Thread.java:1583)

Messages:	Can not read response from server. Expected to read 4 bytes, read 0 bytes before connection was unexpectedly lost. The last packet successfully received from the server was 29,323,878 milliseconds ago. The last packet sent successfully to the server was 29,323,879 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. The last packet successfully received from the server was 29,323,878 milliseconds ago. The last packet sent successfully to the server was 29,323,879 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. Unable to acquire JDBC Connection
File:	com/mysql/cj/protocol/FullReadInputStream.java
Line number:	67