阿里云文档 2025-03-26

Quick BI链接MySQL报错Host 'XXX' is blocked because of many connection errors; unblock with 'mysqladmin flush-hosts'

问题描述用户使用MySQL数据源,从Quick BI添加MySQL数据源时,账号密码错误导致重试次数比较多,最终报错“Host 'XXX' is blocked because of many connection errors; unblock with 'mysqladmin flush-hos...

阿里云文档 2022-10-18

Dataphin执行该管道任务报错ERRORDBUtil-getconnectionerrorcom.mysql.jdbc.exceptions.jdbc4.CommunicationsException:Communicationslinkfailure的解决方案

问题描述Dataphin管道任务配置页面可以显示表字段,数据库连接测试也正常,但是执行该管道任务报错“ERROR DBUtil - get connection error com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Commun...

阿里云文档 2022-01-21

使用DTS同步或迁移自建MySQL数据库时报错manyconnectionerrors

问题描述在使用阿里云数据传输服务DTS对自建MySQL数据库进行数据同步或数据迁移时,提示“many connection errors”错误,详细报错如下:"Host '[$IP_Address]' is blocked because of many connection errors说明:[$...

问答 2017-07-20 来自:开发者社区

Lost connection to MySQL server atreading initial communication packetsystem error111

:Lost connection to MySQL server at 'reading initial communication packet', system error: 111

问答 2016-11-22 来自:开发者社区

Lost connection to MySQL server at 'reading initial communication packet', system error: 111

Lost connection to MySQL server at 'reading initial communication packet', system error: 111

文章 2015-12-02 来自:开发者社区

lost connection to mysql server at "reading initial communication packet",system error:2

查看您的ECS没有100.64.0.0/10网段的路由。 Linux 相关的OS添加方法参考: 注:下文的 gateway_ip 请根据实际情况替换 1)查看GATEWAY IP cat /etc/sysconfig/network |grep GATEWAY 下面的gateway_ip需要替换成上面查询得到的网关地址 2)手动添加静态路由规则,实时生效: ip route add 100.64....

lost connection to mysql server at
文章 2015-11-05 来自:开发者社区

lost connection to mysql server reading initial communication packet

 

lost connection to mysql server reading initial communication packet
文章 2014-03-20 来自:开发者社区

ERROR 2013 (HY000): Lost connection to MySQL server at 'waiting for initial communication packet', system error: 2

ERROR 2013 (HY000): Lost connection to MySQL server at 'waiting for initial communication packet', system error: 2在/etc/my.cnf[mysqld]中加skip-name-resolve  

文章 2009-10-12 来自:开发者社区

Lost connection to MySQL server at ‘reading initial communication packet

Debian下Mysql服务器远程连接时会出现:Lost connection to MySQL server at 'reading initial communication packet'的错误,用户权限已设置为允许任意主机连接。其实问题出在Mysql的配置上,在my.cnf里,有一条是bind-address=127.0.0.1,其含义是仅监听本地连接,将该条注释后重启Mysql服务即可....

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