[大数据]MySQL：ERROR 1819 (HY000): Your password does not satisfy the current policy requirements

环境

mysql> select version();
+-----------+
| version() |
+-----------+
| 8.0.16    |
+-----------+

报错

创建用户的时候报错

create user 'user1'@'%' identified by '123456';
ERROR 1819 (HY000): Your password does not satisfy the current policy requirements

原因

密码设置的过于简单

解决：

修改密码的验证策略

-- 查看密码的验证策略
mysql> SHOW VARIABLES LIKE 'validate_password%';
+--------------------------------------+--------+
| Variable_name                        | Value  |
+--------------------------------------+--------+
| validate_password.check_user_name    | ON     |
| validate_password.dictionary_file    |        |
| validate_password.length             | 8      |
| validate_password.mixed_case_count   | 1      |
| validate_password.number_count       | 1      |
| validate_password.policy             | MEDIUM |
| validate_password.special_char_count | 1      |
+--------------------------------------+--------+
7 rows in set (0.03 sec)

-- 修改密码的验证策略 MEDIUM(中等)修改为LOW(低)
mysql> set global validate_password.policy = 0;
-- 修改密码的长度
mysql> set global validate_password.length = 4;

-- 再次查看，确认设置已经修改
mysql> SHOW VARIABLES LIKE 'validate_password%';
+--------------------------------------+-------+
| Variable_name                        | Value |
+--------------------------------------+-------+
| validate_password.check_user_name    | ON    |
| validate_password.dictionary_file    |       |
| validate_password.length             | 4     |
| validate_password.mixed_case_count   | 1     |
| validate_password.number_count       | 1     |
| validate_password.policy             | LOW   |
| validate_password.special_char_count | 1     |
+--------------------------------------+-------+

成功

-- 可以创建成功了
mysql> create user 'user1'@'%' identified by '123456';
Query OK, 0 rows affected (0.01 sec)

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

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