将mysql从5.5.25升级到8.0.12过程中遇到几个问题,记录如下: 将数据库安装好后,导入原来的数据,启动tomcat,报错unable to load authentication caching_sha2_plugin,解决办法如下: ALTER USER 'root'@'localhost' IDENTIFIED BY 'password' PASSWORD EXPIRE NEVER; #修改加密规则 ALTER USER 'root'@'localhost' IDENT…
MySQL 5.7安装.升级笔记分享: 卸载当前的 MySQL 查看当前 MySQL 版本: ? 1 2 [root@coderknock ~]# mysql -V mysql Ver 14.14 Distrib 5.1.73, for redhat-linux-gnu (i386) using readline 5.1 停止 MySQL 服务 ? 1 2 [root@coderknock ~]# service mysqld stop Stopping mysqld: [ OK ]…
CentOS6.5升级为CentOS7.0 CentOS6.5升级为CentOS7 升级前: [root@localhost ~]# cat /proc/version Linux version 2.6.32-431.el6.x86_64 (mockbuild@c6b8.bsys.dev.centos.org) (gcc version 4.4.7 20120313 (Red Hat 4.4.7-4) (GCC) ) #1 SMP Fri Nov 22 03:15:09 UTC 2013 …
mysql-connector-java升级到6.0以后启动tomcat报错 java.sql.SQLException: The server time zone value '�й���ʱ��' is unrecognized or represents more than one time zone. You must configure either the server or JDBC driver (via the serverTimezone configuration prop…