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连接MySQL时出现1449异常
mysql 1449 ： The user specified as a definer ('root'@'%') does not exist权限问题，授权 给 root 所有sql 权限；
mysql> grant all privileges on *.* to root@"%" identified by ".";SQLException: The user specified as a definer ('ebook'@'%') does not exist：解决办法：
grant all privileges on *.* to ebook@"%" identified by ".";Query OK, 0 rows affected (0.00 sec)
mysql> flush privileges;Query OK, 0 rows affected (0.00 sec)#Mysql
