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. ASP.NET MVC ActionFilterAttribute用法

  2. .Net Core使用OpenXML导出，导入Excel

    导出Excel是程序很常用到的功能,.Net Core可以借助Open-XML-SDK来导出Excel. Open-XML-SDK open-xml-sdk是是微软开源的项目.Open XML SDK ...

  3. 一步一步教你如何制件 ZKEACMS 的扩展组件/插件

    前言 如果你还不知道ZKEACMS,不妨先了解一下. ASP.NET MVC 开源建站系统 ZKEACMS 推荐,从此网站“拼”起来 官方地址:http://www.zkea.net/zkeacms ...

  4. C#操作Json数据

    JSON是现今各语言实现数据交互应用最广泛的一种格式,在于Xml的比较中,由于 JSON 所使用的字符要比 XML 少得多,可以大大得节约传输数据所占用得带宽. 本文采用的是Newtonsoft.Js ...

  5. Flex + Bison: Scanning from memory buffer

    Found from StackOverflow: ========================================================================== ...

  6. 动态添加select的option [转载]

    动态给select标签添加option,结合前人经验以及自己经验,现在总结三种方法供大家参考,一起交流学习!首先是定义的select元素://根据ID获得select元素 var mySelect = ...

  7. leetcode 18 4Sum JAVA

    题目 给定一个包含 n 个整数的数组 nums 和一个目标值 target,判断 nums 中是否存在四个元素 a,b,c 和 d ,使得 a + b + c + d 的值与 target 相等?找出 ...

  8. Mysql数据操作《一》数据的增删改

    插入数据INSERT 1. 插入完整数据(顺序插入) 语法一: INSERT INTO 表名(字段1,字段2,字段3…字段n) VALUES(值1,值2,值3…值n); 语法二: INSERT INT ...

  9. fzu月赛(2015.11)（思维）

    Problem 2205 据说题目很水 Sunday最近对图论特别感兴趣,什么欧拉回路什么哈密顿回路,又是环又是树.在看完一本书后,他对自己特别有信心,便找到大牛牛犇犇,希望他出一题来考考自己. 在遥 ...

  10. screen新建窗口，环境变量跟原来不一致。

    昨天为了方便npm安装全局包,我把环境变量重新配置了. 然后,在项目中引用全局包没有出问题.但是后来我在screen里面引用全局包,报错说找不到. 使用#npm list -g命令 发现昨天的全局包都 ...