Mysql报错：Exception in thread "main" java.sql.SQLException: null, message from server: "Host 'LAPTOP-

将数据写入到mysql中，若是选择将写好的程序提交到 spark集群上运行时，出现Exception in thread "main" java.sql.SQLException: null, message from server: "Host 'LAPTOP-的错误。

解决办法：进入cmd，登陆mysql后，

输入：GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' IDENTIFIED BY '密码' WITH GRANT OPTION;以**远程登陆