Can’t connect to local MySQL server through socket ‘/var/lib/mysql/mysql.sock’ (111)

问题背景:版本

mysql:8.0.20
JDK:1.8.0_141

问题原因:集群断电,mysql启动不起来

Can‘t connect to local MySQL server through socket ‘/var/lib/mysql/mysql.sock‘ (111)

解决办法:三步骤

删掉mysql.sock
cd /var/lib/mysql
rm -rf mysql.sock
Can‘t connect to local MySQL server through socket ‘/var/lib/mysql/mysql.sock‘ (111)
给mysql添加权限
chown -R mysql:mysql /var/lib/mysql
启动mysql
/etc/init.d/mysqld start
Can‘t connect to local MySQL server through socket ‘/var/lib/mysql/mysql.sock‘ (111)
成功:
Can‘t connect to local MySQL server through socket ‘/var/lib/mysql/mysql.sock‘ (111)

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