The user specified as a definer ('root'@'%') does not exist

今天在使用mysql存储过程时，tomcat控制台报了一个错误

The user specified as a definer ('root'@'%') does not exist

百度了一下，发现是权限问题

授权 给 root  所有sql 权限

mysql> grant all privileges on *.* to root@"%" identified by ".";
Query OK, 0 rows affected (0.00 sec)