2020年4月

Other-经验分享

ERROR 2003 (HY000): Can't connect to MySQL server on 'localhost' (10061)

执行命令查看输出log

mysqld --console
D:\Program Files\mysql-8.0.19-winx64>mysqld --console
2020-04-03T03:29:17.907577Z 0 [System] [MY-010116] [Server] D:\Program Files\mysql-8.0.19-winx64\bin\mysqld.exe (mysqld 8.0.19) starting as process 4772
2020-04-03T03:29:17.909125Z 0 [Warning] [MY-013242] [Server] --character-set-server: 'utf8' is currently an alias for the character set UTF8MB3, but will be an alias for UTF8MB4 in a future release. Please consider using UTF8MB4 in order to be unambiguous.
2020-04-03T03:29:19.799340Z 0 [Warning] [MY-010068] [Server] CA certificate ca.pem is self signed.
2020-04-03T03:29:19.819720Z 0 [System] [MY-010931] [Server] D:\Program Files\mysql-8.0.19-winx64\bin\mysqld.exe: ready for connections. Version: '8.0.19'  socket: ''  port: 0  MySQL Community Server - GPL.
2020-04-03T03:29:19.822756Z 0 [ERROR] [MY-010131] [Server] TCP/IP, --shared-memory, or --named-pipe should be configured on NT OS
2020-04-03T03:29:19.825137Z 0 [ERROR] [MY-010119] [Server] Aborting
2020-04-03T03:29:19.878167Z 0 [Warning] [MY-011311] [Server] Plugin mysqlx reported: 'All I/O interfaces are disabled, X Protocol won't be accessible'
2020-04-03T03:29:20.525948Z 0 [System] [MY-010910] [Server] D:\Program Files\mysql-8.0.19-winx64\bin\mysqld.exe: Shutdown complete (mysqld 8.0.19)  MySQL Community Server - GPL.

关键错误

TCP/IP, --shared-memory, or --named-pipe should be configured on NT OS

解决方案

修改my.ini,添加shared-memory

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2020-04-03 0 条评论
Other-经验分享

2059 – 身份验证插件’caching_sha2_password’-navicat连接异常

这个问题是由于我的MySQL的的的更新至8版本以上了，在安装的时候我并没有指定用户登入密码加密方式，所以默认被设置为caching_sha2_password
解决方法：

mysql> show variables like 'default_authentication_plugin';
Variable_name Value
default_authentication_plugin caching_sha2_password

查看本地mysql用户的信息

mysql> select host,user,plugin from mysql.user;
host user plugin
localhost mysql.infoschema caching_sha2_password
localhost mysql.session caching_sha2_password
localhost mysql.sys caching_sha2_password
localhost root caching_sha2_password

注意 caching_sha2_password， 只修改root的密码加密方式就可以了

mysql> ALTER USER 'root'@'localhost' IDENTIFIED WITH mysql_native_password BY '123456';
mysql> select host,user,plugin from mysql.user;
host user plugin
localhost mysql.infoschema caching_sha2_password
localhost mysql.session caching_sha2_password
localhost mysql.sys caching_sha2_password
localhost root mysql_native_password
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2020-04-02 0 条评论