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73.17. Authentication plugin 'caching_sha2_password' cannot be loaded: /usr/lib64/mysql/plugin/caching_sha2_password.so: cannot open shared object file: No such fileor directory

这个故障出现在 MySQL 8.0 上,用户使用 mysql client 5.7 链接 MySQL 8.0 提示如下

		
[root@netkiller ~]# mysql -h 193.112.95.53 -uroot -p
Enter password:
ERROR 2059 (HY000): Authentication plugin 'caching_sha2_password' cannot be loaded: /usr/lib64/mysql/plugin/caching_sha2_password.so: cannot open shared object file: No such fileor directory
		
		

解决方案,创建用户使用 mysql_native_password密码

		
mysql> CREATE USER 'root'@'%' IDENTIFIED WITH mysql_native_password BY 'pMQiEge1ikst7S_6tlXzBOmt_4b';
Query OK, 0 rows affected (0.08 sec)

mysql> grant all on *.* to 'root'@'%';
Query OK, 0 rows affected (0.08 sec)
		
		

重新链接

		
[root@netkiller ~]# mysql -h 193.112.95.53 -uneo -p
Enter password:
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 24
Server version: 8.0.11 MySQL Community Server - GPL

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Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.

Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.

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