产生的原因:应用方的数据库连接有效期时间,大于数据库自己设置的有效期. 解决方案: 一.修改druid配置(如果使用druid的话) spring.datasource.druid.validationQuery=select 1 spring.datasource.druid.testWhileIdle=true spring.datasource.druid.testOnBorrow=true spring.datasource.druid.testOnReturn=true PS.此方案对…

调试一个程序, 调试到一半, 下班回家, 程序卡在了某一行, 第二天早上回来一看, 发现了异常: Wed Sep :: GMT+: WARN: Establishing SSL connection without server's identity verification is not recommended. According to MySQL 5.5.45+, 5.6.26+ and 5.7.6+ requirements SSL connection must be establis…

本地升级了下MySQL的版本,从5.6升为5.7,数据文件直接拷贝的,项目查询数据库报错: Could not retrieve transation read-only status server The last packet successfully received from the server was 20,519 milliseconds ago.  The last packet sent successfully to the server was 0 milliseconds…

场景:一个上传接口,需要上传几十M的文件,文件中包含10几W的数据,然后对10+W的数据进行同步批量插入,每次批量插入1W.最后返回结果. 项目上线一段时间后,上传接口出现问题,数据库用的MySQL5.7.21,报了如下错误: 2018-07-16 01:30:03.497 ERROR com.alibaba.druid.pool.DruidDataSource Line:1594 - discard connection com.mysql.jdbc.exceptions.jdbc4.Comm…

Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: The last packet successfully received from the server was 2,926,157 milliseconds ago. The last packet sent successfully to the server was 2,926,158 milliseconds ago. is longer than t…

今天访问已经架上服务器的网站,报错: Cause: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: The last packet successfully received from the server was 78,050,512 milliseconds ago. The last packet sent successfully to the server was 78,050,512 milliseconds ago.…

使用Connector/J连接MySQL数据库,程序运行较长时间后就会报以下错误: Communications link failure,The last packet successfully received from the server was * **millisecond ago. The last packet successfully sent to the server was * **millisecond ago. 其中错误还会提示你修改wait_timeout或是使用C…

1 详细异常 ser class threw exception: java.sql.SQLException: The last packet successfully received from the server was 39,444 milliseconds ago. The last packet sent successfully to the server was 39,444 milliseconds ago. is longer than the server configu…

1,之前用Mysql或者mycat的时候都没有这个问题.后来改为haproxy+keepalived+mycat后出现这个问题 2,网上查了很多说法,我按照网上说的改了 datasource: url: jdbc:mysql://192.168.0.206:8067/NOVADB?useUnicode=true&characterEncoding=utf8&serverTimezone=CTT&autoReconnect=true&failOverReadOnly=fals…

解决连接:https://blog.csdn.net/pandajava/article/details/41946251…

原文地址:http://nkcoder.github.io/blog/20140712/mysql-reconnect-packet-lost/ 1.1 错误信息: Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: The last packet successfully received from the server was 20,820,001 milliseconds ago. The last pac…

<bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close"> <property name="driverClassName" value="${jdbc.driverClassName}" /> <property name="url&quo…

最近在使用spring-jdbc数据库连接管理时,出现一个奇怪问题,当天部署运行没问题,第二天再试就报以下异常问题 org.springframework.dao.RecoverableDataAccessException: PreparedStatementCallback; SQL []; The last packet successfully received from the server was 56,799,849 milliseconds ago. The last packe…

# #错误日志 2016-11-10 16:19:20,834 ERROR [org.quartz.core.JobRunShell] - Job DEFAULT.jobtask threw an unhandled Exception: org.springframework.scheduling.quartz.JobMethodInvocationFailedException: Invocation of method 'execute' on target class [class co…

mysql 8小时问题的解决方法 转发: 别看是英文 ,写的很好 ,才转 Use Hibernate + MYSQL database development, link timeout problem: com.mysql.jdbc.CommunicationsException: The last packet successfully received from the server was58129 seconds ago.The last packet sent successfull…

今天项目中报了如下错误 The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. 查了下网上,都是说是mysql默认8小时关闭不用的连接.用数据库连接池导致的.可是项目中这个功能是用来导数据的,是动态连接,直接java jdbc 获取connection的,用完之后就关闭了.最后运维的人员查出来是i…

Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure::The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. 解决方案: mysql数据库url中添加了aut…

今天在使用JDBC操作mysql时遇到下面的异常信息: 引用 The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server. at com.tomymap.galaxy.virgo.util.DbService.getConnection(DbService.java:66) at com.tomymap…

出现异常"The last packet sent successfully to the server was 0 milliseconds ago."的大部分原因是由于数据库回收了连接,而系统的缓冲池不知道,继续使用被回收的连接所致的. 以mysql为例: 第一种解决办法,就是将mysql回收空闲连接的时间变长,mysql默认回收时间是8小时,可以在mysql目录下的my.ini中增加下面配置,将时间改为1天. 单位是秒,最大好像是24天: [mysqld] wait_timeou…

搜索连接bi库超时 数据库连接超时 go away go away和连接超时之间的关系是什么? 写一个例子测试一下. 如何检测数据库的最大连接数…

出现异常”The last packet sent successfully to the server was 0 milliseconds ago.“的大部分原因是由于数据库回收了连接,而系统的缓冲池不知道,继续使用被回收的连接所致的. 以mysql为例: 第一种解决办法,就是将mysql回收空闲连接的时间变长,mysql默认回收时间是8小时,可以在mysql目录下的my.ini中增加下面配置,将时间改为1天. 单位是秒,最大好像是24天: [mysqld] wait_timeout=864…

The last packet sent successfully to the server was 0 milliseconds ago. 今日遇到了这个坑,看似平白无奇. 首先,我定位到是数据库的问题. 做了如下处理: 仔细查看代码中数据库url的配置问题. 查看数据库的权限问题. 去tomcat的container ping了一下. 发现都没问题. 我他么.. 卡了一天.. 灵机一动,重启了一下mysql这个container,好使了. 总结一下就是: 在container做了修改后,必…

参考: 系统太慢,实在搞不清是哪里的问题,祭出重装大法 需要安装的工具还真多,先装主要的吧.VS2013, SQL SERVER 2012,搞定.. 连个数据库试试,出错了: A connection was successfully established with the server, but then an error occurred during the login process. (provider: SSL Provider, error: 0 - The message re…

c# 使用MS SqlServer,连接成功,但是还报异常A connection was successfully established with the server, but then an error occurred during the login process. (provider: SSL Provider, error: 0.... 操作系统安装了net framework 4.5.1,出现上述情况 解决方案:安装net framework 4.5.2以上框架…

昨天在自己的远程服务器上玩,把系统重装了.新装了MySQL,在本地用navicat连接的时候出了几个小问题. 问题一:SSH: expected key exchange group packet from server 这个问题在网上查了查说是navicat自己的问题,升级版本就好了.没管那么多,在SSH选项卡里把使用ssh通道取消了,使用常规连接. 问题二:2003 - Can't connect to MySQL server on 'XXX' (10038) 第一个问题刚解决,但是第二个…

情况:WCF服务在浏览器中可以正常浏览,但是通过程序调用提示: HTTP request is unauthorized with client authentication scheme 'Anonymous'. The authentication header received from the server was 'NTLM'. 详细错误信息: System.ServiceModel.Security.MessageSecurityException: The HTTP request…

The last packet sent successfully to the server was milliseconds ago. The driver has not received any packets from the server. 今天操作数据库较大数据库访问量的时候出现问题,大致是数据库连接缓冲池的问题,弄了半天的mysql (ubuntu). 解决办法: (1)使用JDBC URL中使用autoReconnect属性,url添加 &autoReconnect=true&a…

1 详细异常信息 The last packet sent successfully to the server was milliseconds ago. The driver has not received any packets from the server. at sun.reflect.GeneratedConstructorAccessor35.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAcce…

关于Oracle数据库的连接失败问题,有N种情况都会导致,这次遇到的是一般开发或者运维人员难以发现的 场景: 有一台机A能够正常连接数据库并正常运行,机器B连接失败 32位WebService程序基于.Net4.0开发,部署在IIS上,通过Oracle Client链接数据库 问题排查: IIS启用32应用程序池 应用程序池启用4.0版本 B机器NetManeger配置的数据库实例名.IP.数据库端口均与A服务器一致 测试B至数据库服务器IP网络通畅  ping 服务器IP 测试端口通畅 tel…

Environment Red Hat JBoss Enterprise Application Platform (EAP) 6.x 7.x Issue Server throws following error while start up : Raw 12:21:13,956 ERROR [org.jboss.as.controller.management-operation] (Controller Boot Thread) JBAS013412: Timeout after [300…