oracle jdbc 遇到的问题 ORA-12505, TNS:listener does not currently know of SID
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:
192.168.1.100:1521:ractest

[解决办法]
ractest
这个是实例名还是服务名
[解决办法]