黑色笔记

0.root账户查看user系统权限表(权限表要使用名为mysql的系统数据库)select host,user,password from user;1.添加删除用户CREATE USER 'itpro'@'%' IDENTIFIED BY '123';DROP USER 'itpro'@'%';2.用户授权 所有数据库所有权限给itpro其它机器连接 ...

[color=red]org.springframework.transaction.CannotCreateTransactionException: Could not open Hibernate Session for transaction; nested exception is org.hibernate.TransactionException: JDBC begin failed...