Oracle SQL Developer新建连接测试失败是怎么回事?求好心人解答~

问题如图:
2025-03-07 03:59:40
推荐回答(2个)
回答1:

视频教学 解决Oracle初学者常见问题IO Error The Network Adapter Could Not Establish The Connection IO 异常 :the network adapter could not establish the connection
http://www.tudou.com/programs/view/XR5mifSpPQg/

回答2:

我也出现一样问题了,然后我把listener服务开了 就好使了,你可以试试