Idea 访问数据库报错求教大神

Intelligent idea 启动项目,然后点击左侧菜单栏,有几个菜单栏不能点,一点就报错,java.sql.SQLException: Listener refused the connection with the following error:
ORA-12505, TNS:listener does not currently know of SID given in connect descriptor
The Connection descriptor used by the client was: ,但是直接访问数据库不不报错,其他菜单也可以访问,请教大神!

sid不对,http://fengqx.iteye.com/blog/419412

http://blog.csdn.net/mr_pang/article/details/44942989