Bug #103870 mysql server can't start
Submitted: 1 Jun 2021 1:37 Modified: 1 Jun 2021 2:42
Reporter: 35135 51313 Email Updates:
Status: Closed Impact on me:
None 
Category:MySQL Server Severity:S2 (Serious)
Version:mysql Ver 14.14 Distrib 5.7.34, for Lin OS:CentOS (CentOS Linux release 7.9.2009 (Core))
Assigned to: CPU Architecture:x86 (Intel(R) Core(TM) i7-10700 CPU @ 2.90GHz)

[1 Jun 2021 1:37] 35135 51313 
Description:
see mysqld.log

How to repeat:
yum install mysql-community-server

systemctl start mysqld
[1 Jun 2021 2:42] 35135 51313 
i fixed this bug by rm -rf /var/lib/mysql, before install mysql 5.7 i installed mysql8.0 and uninstalled