discard connection

com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure

The last packet successfully received from the server was 1,210,878 milliseconds ago.  The last packet sent successfully to the server was 0 milliseconds ago.

    at sun.reflect.GeneratedConstructorAccessor172.newInstance(Unknown Source) ~[?:?]

    at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) ~[?:1.8.0_131]

    at java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[?:1.8.0_131]

    at com.mysql.jdbc.Util.handleNewInstance(Util.java:404) ~[mysql-connector-java-5.1.37.jar!/:5.1.37]

    at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:983) ~[mysql-connector-java-5.1.37.jar!/:5.1.37]

    at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3457) ~[mysql-connector-java-5.1.37.jar!/:5.1.37]

    at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3357) ~[mysql-connector-java-5.1.37.jar!/:5.1.37]

    at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3797) ~[mysql-connector-java-5.1.37.jar!/:5.1.37]

    at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2470) ~[mysql-connector-java-5.1.37.jar!/:5.1.37]

    at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2617) ~[mysql-connector-java-5.1.37.jar!/:5.1.37]

    at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2546) ~[mysql-connector-java-5.1.37.jar!/:5.1.37]

    at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2504) ~[mysql-connector-java-5.1.37.jar!/:5.1.37]

    at com.mysql.jdbc.StatementImpl.executeQuery(StatementImpl.java:1370) ~[mysql-connector-java-5.1.37.jar!/:5.1.37]

    at com.alibaba.druid.pool.DruidPooledStatement.executeQuery(DruidPooledStatement.java:138) [druid-1.0.24.jar!/:1.0.24]

    at org.springframework.jdbc.core.JdbcTemplate$1QueryStatementCallback.doInStatement(JdbcTemplate.java:458) [spring-jdbc-4.3.9.RELEASE.jar!/:4.3.9.RELEASE]

    at org.springframework.jdbc.core.JdbcTemplate.execute(JdbcTemplate.java:408) [spring-jdbc-4.3.9.RELEASE.jar!/:4.3.9.RELEASE]

    at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:474) [spring-jdbc-4.3.9.RELEASE.jar!/:4.3.9.RELEASE]

    at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:484) [spring-jdbc-4.3.9.RELEASE.jar!/:4.3.9.RELEASE]

    at org.springframework.boot.actuate.health.DataSourceHealthIndicator.doDataSourceHealthCheck(DataSourceHealthIndicator.java:111) [spring-boot-actuator-1.4.7.RELEASE.jar!/:1.4.7.RELEASE]

    at org.springframework.boot.actuate.health.DataSourceHealthIndicator.doHealthCheck(DataSourceHealthIndicator.java:100) [spring-boot-actuator-1.4.7.RELEASE.jar!/:1.4.7.RELEASE]

    at org.springframework.boot.actuate.health.AbstractHealthIndicator.health(AbstractHealthIndicator.java:38) [spring-boot-actuator-1.4.7.RELEASE.jar!/:1.4.7.RELEASE]

      ...

    at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204) [spring-core-4.3.9.RELEASE.jar!/:4.3.9.RELEASE]

    at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:738) [spring-aop-4.3.9.RELEASE.jar!/:4.3.9.RELEASE]

    at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157) [spring-aop-4.3.9.RELEASE.jar!/:4.3.9.RELEASE]

    at org.springframework.aop.framework.adapter.MethodBeforeAdviceInterceptor.invoke(MethodBeforeAdviceInterceptor.java:52) [spring-aop-4.3.9.RELEASE.jar!/:4.3.9.RELEASE]

    at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:168) [spring-aop-4.3.9.RELEASE.jar!/:4.3.9.RELEASE]

    at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:92) [spring-aop-4.3.9.RELEASE.jar!/:4.3.9.RELEASE]

    at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) [spring-aop-4.3.9.RELEASE.jar!/:4.3.9.RELEASE]

    at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:673) [spring-aop-4.3.9.RELEASE.jar!/:4.3.9.RELEASE]

    ...

    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_131]

    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_131]

    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_131]

    at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_131]

    at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:205) [spring-web-4.3.9.RELEASE.jar!/:4.3.9.RELEASE]

    at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:133) [spring-web-4.3.9.RELEASE.jar!/:4.3.9.RELEASE]

    at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:97) [spring-webmvc-4.3.9.RELEASE.jar!/:4.3.9.RELEASE]

    at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:827) [spring-webmvc-4.3.9.RELEASE.jar!/:4.3.9.RELEASE]

    at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:738) [spring-webmvc-4.3.9.RELEASE.jar!/:4.3.9.RELEASE]

    at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85) [spring-webmvc-4.3.9.RELEASE.jar!/:4.3.9.RELEASE]

    at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:967) [spring-webmvc-4.3.9.RELEASE.jar!/:4.3.9.RELEASE]

    at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:901) [spring-webmvc-4.3.9.RELEASE.jar!/:4.3.9.RELEASE]

    at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:970) [spring-webmvc-4.3.9.RELEASE.jar!/:4.3.9.RELEASE]

    at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:861) [spring-webmvc-4.3.9.RELEASE.jar!/:4.3.9.RELEASE]

    at javax.servlet.http.HttpServlet.service(HttpServlet.java:687) [javax.servlet-api-3.1.0.jar!/:3.1.0]

    at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:846) [spring-webmvc-4.3.9.RELEASE.jar!/:4.3.9.RELEASE]

    at javax.servlet.http.HttpServlet.service(HttpServlet.java:790) [javax.servlet-api-3.1.0.jar!/:3.1.0]

    at io.undertow.servlet.handlers.ServletHandler.handleRequest(ServletHandler.java:85) [undertow-servlet-1.3.28.Final.jar!/:1.3.28.Final]

    at io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:129) [undertow-servlet-1.3.28.Final.jar!/:1.3.28.Final]

    at org.springframework.boot.web.filter.ApplicationContextHeaderFilter.doFilterInternal(ApplicationContextHeaderFilter.java:55) [spring-boot-1.4.7.RELEASE.jar!/:1.4.7.RELEASE]

    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-4.3.9.RELEASE.jar!/:4.3.9.RELEASE]

    at io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:61) [undertow-servlet-1.3.28.Final.jar!/:1.3.28.Final]

    at io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:131) [undertow-servlet-1.3.28.Final.jar!/:1.3.28.Final]

    ...

    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-4.3.9.RELEASE.jar!/:4.3.9.RELEASE]

    at io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:61) [undertow-servlet-1.3.28.Final.jar!/:1.3.28.Final]

    at io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:131) [undertow-servlet-1.3.28.Final.jar!/:1.3.28.Final]

    ...

    at io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:61) [undertow-servlet-1.3.28.Final.jar!/:1.3.28.Final]

    at io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:131) [undertow-servlet-1.3.28.Final.jar!/:1.3.28.Final]

    at com.alibaba.druid.support.http.WebStatFilter.doFilter(WebStatFilter.java:83) [druid-1.0.24.jar!/:1.0.24]

    at io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:61) [undertow-servlet-1.3.28.Final.jar!/:1.3.28.Final]

    at io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:131) [undertow-servlet-1.3.28.Final.jar!/:1.3.28.Final]

    at org.springframework.boot.actuate.trace.WebRequestTraceFilter.doFilterInternal(WebRequestTraceFilter.java:105) [spring-boot-actuator-1.4.7.RELEASE.jar!/:1.4.7.RELEASE]

    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-4.3.9.RELEASE.jar!/:4.3.9.RELEASE]

    at io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:61) [undertow-servlet-1.3.28.Final.jar!/:1.3.28.Final]

    at io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:131) [undertow-servlet-1.3.28.Final.jar!/:1.3.28.Final]

    at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:99) [spring-web-4.3.9.RELEASE.jar!/:4.3.9.RELEASE]

    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-4.3.9.RELEASE.jar!/:4.3.9.RELEASE]

    at io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:61) [undertow-servlet-1.3.28.Final.jar!/:1.3.28.Final]

    at io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:131) [undertow-servlet-1.3.28.Final.jar!/:1.3.28.Final]

    at org.springframework.web.filter.HiddenHttpMethodFilter.doFilterInternal(HiddenHttpMethodFilter.java:81) [spring-web-4.3.9.RELEASE.jar!/:4.3.9.RELEASE]

    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-4.3.9.RELEASE.jar!/:4.3.9.RELEASE]

    at io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:61) [undertow-servlet-1.3.28.Final.jar!/:1.3.28.Final]

    at io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:131) [undertow-servlet-1.3.28.Final.jar!/:1.3.28.Final]

    at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:197) [spring-web-4.3.9.RELEASE.jar!/:4.3.9.RELEASE]

    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-4.3.9.RELEASE.jar!/:4.3.9.RELEASE]

    at io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:61) [undertow-servlet-1.3.28.Final.jar!/:1.3.28.Final]

    at io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:131) [undertow-servlet-1.3.28.Final.jar!/:1.3.28.Final]

    at org.springframework.boot.actuate.autoconfigure.MetricsFilter.doFilterInternal(MetricsFilter.java:106) [spring-boot-actuator-1.4.7.RELEASE.jar!/:1.4.7.RELEASE]

    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) [spring-web-4.3.9.RELEASE.jar!/:4.3.9.RELEASE]

    at io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:61) [undertow-servlet-1.3.28.Final.jar!/:1.3.28.Final]

    at io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:131) [undertow-servlet-1.3.28.Final.jar!/:1.3.28.Final]

    at io.undertow.servlet.handlers.FilterHandler.handleRequest(FilterHandler.java:84) [undertow-servlet-1.3.28.Final.jar!/:1.3.28.Final]

    at io.undertow.servlet.handlers.security.ServletSecurityRoleHandler.handleRequest(ServletSecurityRoleHandler.java:62) [undertow-servlet-1.3.28.Final.jar!/:1.3.28.Final]

    at io.undertow.servlet.handlers.ServletDispatchingHandler.handleRequest(ServletDispatchingHandler.java:36) [undertow-servlet-1.3.28.Final.jar!/:1.3.28.Final]

    at io.undertow.servlet.handlers.security.SSLInformationAssociationHandler.handleRequest(SSLInformationAssociationHandler.java:131) [undertow-servlet-1.3.28.Final.jar!/:1.3.28.Final]

    at io.undertow.servlet.handlers.security.ServletAuthenticationCallHandler.handleRequest(ServletAuthenticationCallHandler.java:57) [undertow-servlet-1.3.28.Final.jar!/:1.3.28.Final]

    at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43) [undertow-core-1.3.28.Final.jar!/:1.3.28.Final]

    at io.undertow.security.handlers.AbstractConfidentialityHandler.handleRequest(AbstractConfidentialityHandler.java:46) [undertow-core-1.3.28.Final.jar!/:1.3.28.Final]

    at io.undertow.servlet.handlers.security.ServletConfidentialityConstraintHandler.handleRequest(ServletConfidentialityConstraintHandler.java:64) [undertow-servlet-1.3.28.Final.jar!/:1.3.28.Final]

    at io.undertow.security.handlers.AuthenticationMechanismsHandler.handleRequest(AuthenticationMechanismsHandler.java:60) [undertow-core-1.3.28.Final.jar!/:1.3.28.Final]

    at io.undertow.servlet.handlers.security.CachedAuthenticatedSessionHandler.handleRequest(CachedAuthenticatedSessionHandler.java:77) [undertow-servlet-1.3.28.Final.jar!/:1.3.28.Final]

    at io.undertow.security.handlers.AbstractSecurityContextAssociationHandler.handleRequest(AbstractSecurityContextAssociationHandler.java:43) [undertow-core-1.3.28.Final.jar!/:1.3.28.Final]

    at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43) [undertow-core-1.3.28.Final.jar!/:1.3.28.Final]

    at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43) [undertow-core-1.3.28.Final.jar!/:1.3.28.Final]

    at io.undertow.servlet.handlers.ServletInitialHandler.handleFirstRequest(ServletInitialHandler.java:285) [undertow-servlet-1.3.28.Final.jar!/:1.3.28.Final]

    at io.undertow.servlet.handlers.ServletInitialHandler.dispatchRequest(ServletInitialHandler.java:264) [undertow-servlet-1.3.28.Final.jar!/:1.3.28.Final]

    at io.undertow.servlet.handlers.ServletInitialHandler.access$000(ServletInitialHandler.java:81) [undertow-servlet-1.3.28.Final.jar!/:1.3.28.Final]

    at io.undertow.servlet.handlers.ServletInitialHandler$1.handleRequest(ServletInitialHandler.java:175) [undertow-servlet-1.3.28.Final.jar!/:1.3.28.Final]

    at io.undertow.server.Connectors.executeRootHandler(Connectors.java:209) [undertow-core-1.3.28.Final.jar!/:1.3.28.Final]

    at io.undertow.server.HttpServerExchange$1.run(HttpServerExchange.java:802) [undertow-core-1.3.28.Final.jar!/:1.3.28.Final]

    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [?:1.8.0_131]

    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [?:1.8.0_131]

    at java.lang.Thread.run(Thread.java:748) [?:1.8.0_131]

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

    at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2949) ~[mysql-connector-java-5.1.37.jar!/:5.1.37]

    at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3367) ~[mysql-connector-java-5.1.37.jar!/:5.1.37]

    ... 104 more

https://blog.csdn.net/zhangbiaobiaobiao/article/details/17077601

MySQL wait_timeout参数设置与网上常见错误小纠的更多相关文章

  1. 关于mysql的wait_timeout参数 设置不生效的问题【转】

    关于wait_timeout 有一次去online set wait_timeout 的时候发现改了不生效,如下: mysql> show variables like 'wait_timeou ...

  2. MySQL wait_timeout参数修改

    MySQL wait_timeout参数修改问题,可能经常会有DBA遇到过,下面就试验一下并看看会有什么现象. wait_timeout分为global级及session级别,如未进行配置,默认值为2 ...

  3. SpringMVC接受JSON参数详解及常见错误总结我改

    SpringMVC接受JSON参数详解及常见错误总结 最近一段时间不想使用Session了,想感受一下Token这样比较安全,稳健的方式,顺便写一个统一的接口给浏览器还有APP.所以把一个练手项目的前 ...

  4. SpringMVC接受JSON参数详解及常见错误总结

    SpringMVC接受JSON参数详解及常见错误总结 SpringMVC接受JSON参数详解及常见错误总结 最近一段时间不想使用Session了,想感受一下Token这样比较安全,稳健的方式,顺便写一 ...

  5. 基于ELK搭建MySQL日志平台的要点和常见错误

    第一部分 概括 ELK是集分布式数据存储.可视化查询和日志解析于一体的日志分析平台.ELK=elasticsearch+Logstash+kibana,三者各司其职,相互配合,共同完成日志的数据处理工 ...

  6. 关于mysql的wait_timeout参数 设置不生效的问题

    关于wait_timeout 有一次去online set wait_timeout 的时候发现改了不生效,如下: mysql> show variables like 'wait_timeou ...

  7. mysql配置参数设置和进程管理

    # For advice on how to change settings please see # http://dev.mysql.com/doc/refman/5.7/en/server-co ...

  8. mysql binlog参数设置

    1.mysql有许多系统变量,可以设置,系统变量设置不同,不同的系统将导致执行状态. 故mysql提供两组命令,分别查看系统设置和执行状态. 1.系统设置: SHOW [GLOBAL | SESSIO ...

  9. 生产环境mysql的参数设置不一样，好好的程序，又出错

    一.概述 报错信息如下: org.springframework.jdbc.BadSqlGrammarException: ### Error querying database.  Cause: c ...

随机推荐

  1. elasticsearch（0.90.10）安装配置+超多插件!!

    一)安装elasticsearch 1)下载elasticsearch-0.90.10,解压,运行\bin\elasticsearch.bat (windwos) 2)进入http://localho ...

  2. mysql 命令备份还原

    备份 mysqldump -h localhost -uroot -p123456 springbootdb > e:/springbootdb.sql 还原 mysql -h localhos ...

  3. jquery源码解析：jQuery延迟对象Deferred（工具方法）详解1

    请先看上一课的回调对象.Deferred是通过extend添加到jQuery中的工具方法.如下所示: jQuery.extend({ Deferred: function( func ) { }, w ...

  4. [Objective-C语言教程]程序结构（3）

    1. Objective-C Hello World示例 Objective-C程序基本上由以下部分组成 - 预处理程序命令 接口 实现 方法 变量 声明和表达 注释 下面来看一下打印“Hello W ...

  5. UIViewController读书笔记

    当一个VC把另一个VC作为子view加到自己的view时,一定要先调用addChildViewController(_:)方法. 因为一个VC的root view,也就是VC的view只能被这个VC持 ...

  6. Saiku2.6 配置数据源

    把连接字符串和Schema文件放这里.

  7. Mondrian Schema Workbench 概念及常用参数

    Schema Schema 定义了一个多维数据库.包含了一个逻辑模型,而这个逻辑模型的目的是为了书写 MDX 语言的查询语句.这个逻辑模型实际上提供了这几个概念: Cubes (立方体).维度( Di ...

  8. tomcat下各个文件夹的作用

    1.bin目录:这个文件夹包含的是启动/关闭tomcat的脚本,里面有startup.sh(Linux环境下启动tomcat脚本)和startup.bat(Windows环境下启动tomcat脚本), ...

  9. CF1012B Chemical table 题解【二分图】【构造】

    有意思的网格图转化.CF Div.1 还是挺有难度的. 注:由于本题有较完美的中文题面,所以不贴英文题面. 英文题面 题目描述 Innopolis 大学的教授正努力研究元素周期表.他们知道,有 \(n ...

  10. 洛谷 P5249 [LnOI2019]加特林轮盘赌 题解【概率期望】【DP】

    很有意思的题目. 题目背景 加特林轮盘赌是一个养生游戏. 题目描述 与俄罗斯轮盘赌等手枪的赌博不同的是,加特林轮盘赌的赌具是加特林. 加特林轮盘赌的规则很简单:在加特林的部分弹夹中填充子弹.游戏的参加 ...