1251 - Client does not support authentication protocol
原因:mysql 8.0 默认使用 caching_sha2_password 身份验证机制;客户端不支持新的加密方式。
解决方案:
修改用户(root)的加密方式
步骤:
1、进入mysql容器内部
docker exec -it mysql01 bash ## mysql01是容器的别名,这里也可以用容器的id代替
2、登录mysql
mysql -u root -p
3、设置用户配置项
1)、查看用户信息
mysql> select host,user,plugin,authentication_string from mysql.user;
+-----------+------------------+-----------------------+------------------------------------------------------------------------+
| host | user | plugin | authentication_string |
+-----------+------------------+-----------------------+------------------------------------------------------------------------+
| % | root | caching_sha2_password | $A$005$HF7;krfwhkKHp5fPenQm4J2dm/RJtbbyjtCUVdDCcboXQw3ALxsif/sS1 |
| localhost | mysql.infoschema | caching_sha2_password | $A$005$THISISACOMBINATIONOFINVALIDSALTANDPASSWORDTHATMUSTNEVERBRBEUSED |
| localhost | mysql.session | caching_sha2_password | $A$005$THISISACOMBINATIONOFINVALIDSALTANDPASSWORDTHATMUSTNEVERBRBEUSED |
| localhost | mysql.sys | caching_sha2_password | $A$005$THISISACOMBINATIONOFINVALIDSALTANDPASSWORDTHATMUSTNEVERBRBEUSED |
| localhost | root | mysql_native_password | *6BB4837EB74329105EE4568DDA7DC67ED2CA2AD9 |
+-----------+------------------+-----------------------+------------------------------------------------------------------------+
备注:host为 % 表示不限制ip localhost表示本机使用 plugin非mysql_native_password 则需要修改密码
2)、修改加密方式
ALTER USER 'root'@'%' IDENTIFIED WITH mysql_native_password BY '123456'; ### 123456 mysql的登录密码
flush privileges;