原因
需要更新mysql
措施
sudo mysql_upgrade -u root -p –force
出现以下内容成功
Checking server version.
Running queries to upgrade MySQL server.
Checking system database.
…..
…..
Upgrade process completed successfully.
Checking if update is needed.
第二步重启服务
sudo /etc/init.d/mysql restart
再次登陆数据库一切正常。
