MySQL错误：ERROR 1819 (HY000): Your password does not satisfy the current policy requirements

问题是在配置MySQL主从机时候，需要授权出现密码不满足当前政策要求（密码安全等级）。

我出现错误的时候是，grant授权的时候。

首先查看一下密码安全设置

SHOW VARIABLES LIKE 'validate_password%';

如果如下图，已经将等级全部调到最低了

如果不是最低权限，设置为最低权限

set global validate_password_policy=LOW;  \\等级set global validate_password_length=6;   \\长度

对从库授权：

 grant replication slave on *.* to 'duomu'@'192.168.102.135';

但是还是报错： ERROR 1819 (HY000): Your password does not satisfy the current policy requirements

原因是，我设置用户的时候，没有设置192.168.102.135的用户密码，这就相当于空密码。

查看用户信息

use mysqlselect host,user,authentication_string,plugin from user;

可以看到没有192.168.102.135的用户

创建用户

create user 'duomu'@'192.168.102.135' identified by '123456' password expire never;grant all privileges on duomu.* to 'duomu'@'192.168.102.135';

再次查看，可以看到添加了192.168.102.135用户

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