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Request Mean time (ms)Max time (ms) Standard deviationMean cpu time (ms) % of system error
log  WARN: IJ030027: Destroying connection that is not valid, due to the following exception: %s -1 0 0   100.00

Stack-trace
com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure
The last packet successfully received from the server was 28,774,210 milliseconds ago. The last packet sent successfully to the server was 28,774,211 milliseconds ago.
      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:411)
      at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:1116)
      at com.mysql.jdbc.MysqlIO.send(MysqlIO.java:3364)
      at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1983)
      at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2163)
      at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2618)
      at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2568)
      at com.mysql.jdbc.StatementImpl.execute(StatementImpl.java:842)
      at com.mysql.jdbc.StatementImpl.execute(StatementImpl.java:681)
      at org.jboss.jca.adapters.jdbc.CheckValidConnectionSQL.isValidConnection(CheckValidConnectionSQL.java:74)
      at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnectionFactory.isValidConnection(BaseWrapperManagedConnectionFactory.java:1273)
      at org.jboss.jca.adapters.jdbc.BaseWrapperManagedConnectionFactory.getInvalidConnections(BaseWrapperManagedConnectionFactory.java:1086)
      at org.jboss.jca.core.connectionmanager.pool.mcp.SemaphoreConcurrentLinkedDequeManagedConnectionPool.getConnection(SemaphoreConcurrentLinkedDequeManagedConnectionPool.java:379)
      at org.jboss.jca.core.connectionmanager.pool.AbstractPool.getSimpleConnection(AbstractPool.java:632)
      at org.jboss.jca.core.connectionmanager.pool.AbstractPool.getConnection(AbstractPool.java:604)
      at org.jboss.jca.core.connectionmanager.AbstractConnectionManager.getManagedConnection(AbstractConnectionManager.java:624)
      at org.jboss.jca.core.connectionmanager.tx.TxConnectionManagerImpl.getManagedConnection(TxConnectionManagerImpl.java:430)
      at org.jboss.jca.core.connectionmanager.AbstractConnectionManager.allocateConnection(AbstractConnectionManager.java:789)
      at org.jboss.jca.adapters.jdbc.WrapperDataSource.getConnection(WrapperDataSource.java:138)
      at sun.reflect.GeneratedMethodAccessor182.invoke(Unknown Source)
      at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
      at java.lang.reflect.Method.invoke(Method.java:498)
      at net.bull.javamelody.JdbcWrapper$3.invoke(JdbcWrapper.java:804)
      at net.bull.javamelody.JdbcWrapper$DelegatingInvocationHandler.invoke(JdbcWrapper.java:300)
      at com.sun.proxy.$Proxy209.getConnection(Unknown Source)
      at org.jboss.as.connector.subsystems.datasources.WildFlyDataSource.getConnection(WildFlyDataSource.java:64)
      at net.bull.javamelody.internal.model.JavaInformations.buildDataBaseVersion(JavaInformations.java:426)
      at net.bull.javamelody.internal.model.JavaInformations.<init>(JavaInformations.java:200)
      at net.bull.javamelody.internal.web.MonitoringController.doActionIfNeededAndReport(MonitoringController.java:158)
      at net.bull.javamelody.MonitoringFilter.doMonitoring(MonitoringFilter.java:408)
      at net.bull.javamelody.MonitoringFilter.doFilter(MonitoringFilter.java:206)
      at io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:61)
      at io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:131)
      at io.undertow.servlet.handlers.FilterHandler.handleRequest(FilterHandler.java:84)
      at io.undertow.servlet.handlers.security.ServletSecurityRoleHandler.handleRequest(ServletSecurityRoleHandler.java:62)
      at io.undertow.servlet.handlers.ServletChain$1.handleRequest(ServletChain.java:67)
      at io.undertow.servlet.handlers.ServletDispatchingHandler.handleRequest(ServletDispatchingHandler.java:36)
      at org.wildfly.extension.undertow.security.SecurityContextAssociationHandler.handleRequest(SecurityContextAssociationHandler.java:78)
      at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
      at io.undertow.servlet.handlers.security.SSLInformationAssociationHandler.handleRequest(SSLInformationAssociationHandler.java:131)
      at io.undertow.servlet.handlers.security.ServletAuthenticationCallHandler.handleRequest(ServletAuthenticationCallHandler.java:57)
      at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
      at io.undertow.security.handlers.AuthenticationConstraintHandler.handleRequest(AuthenticationConstraintHandler.java:53)
      at io.undertow.security.handlers.AbstractConfidentialityHandler.handleRequest(AbstractConfidentialityHandler.java:46)
      at io.undertow.servlet.handlers.security.ServletConfidentialityConstraintHandler.handleRequest(ServletConfidentialityConstraintHandler.java:64)
      at io.undertow.servlet.handlers.security.ServletSecurityConstraintHandler.handleRequest(ServletSecurityConstraintHandler.java:59)
      at io.undertow.security.handlers.AuthenticationMechanismsHandler.handleRequest(AuthenticationMechanismsHandler.java:60)
      at io.undertow.servlet.handlers.security.CachedAuthenticatedSessionHandler.handleRequest(CachedAuthenticatedSessionHandler.java:77)
      at io.undertow.security.handlers.NotificationReceiverHandler.handleRequest(NotificationReceiverHandler.java:50)
      at io.undertow.security.handlers.AbstractSecurityContextAssociationHandler.handleRequest(AbstractSecurityContextAssociationHandler.java:43)
      at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
      at org.wildfly.extension.undertow.security.jacc.JACCContextIdHandler.handleRequest(JACCContextIdHandler.java:61)
      at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
      at org.wildfly.extension.undertow.deployment.GlobalRequestControllerHandler.handleRequest(GlobalRequestControllerHandler.java:68)
      at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
      at io.undertow.servlet.handlers.ServletInitialHandler.handleFirstRequest(ServletInitialHandler.java:292)
      at io.undertow.servlet.handlers.ServletInitialHandler.access$100(ServletInitialHandler.java:81)
      at io.undertow.servlet.handlers.ServletInitialHandler$2.call(ServletInitialHandler.java:138)
      at io.undertow.servlet.handlers.ServletInitialHandler$2.call(ServletInitialHandler.java:135)
      at io.undertow.servlet.core.ServletRequestContextThreadSetupAction$1.call(ServletRequestContextThreadSetupAction.java:48)
      at io.undertow.servlet.core.ContextClassLoaderSetupAction$1.call(ContextClassLoaderSetupAction.java:43)
      at org.wildfly.extension.undertow.security.SecurityContextThreadSetupAction.lambda$create$0(SecurityContextThreadSetupAction.java:105)
      at org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1526)
      at org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1526)
      at org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1526)
      at org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1526)
      at io.undertow.servlet.handlers.ServletInitialHandler.dispatchRequest(ServletInitialHandler.java:272)
      at io.undertow.servlet.handlers.ServletInitialHandler.access$000(ServletInitialHandler.java:81)
      at io.undertow.servlet.handlers.ServletInitialHandler$1.handleRequest(ServletInitialHandler.java:104)
      at io.undertow.server.Connectors.executeRootHandler(Connectors.java:360)
      at io.undertow.server.HttpServerExchange$1.run(HttpServerExchange.java:830)
      at org.jboss.threads.ContextClassLoaderSavingRunnable.run(ContextClassLoaderSavingRunnable.java:35)
      at org.jboss.threads.EnhancedQueueExecutor.safeRun(EnhancedQueueExecutor.java:1985)
      at org.jboss.threads.EnhancedQueueExecutor$ThreadBody.doRunTask(EnhancedQueueExecutor.java:1487)
      at org.jboss.threads.EnhancedQueueExecutor$ThreadBody.run(EnhancedQueueExecutor.java:1378)
      at java.lang.Thread.run(Thread.java:748)
Caused by: java.net.SocketException: Connection reset by peer: socket write error
      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:3345)
      ... 73 more
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