异常 The Network Adapter could not establish the connection 的解决办法
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Io 异常: The Network Adapter could not establish the connection
这个异常的出现一般与数据库和你的PC的设置有关
这种异常的出现大致上有下面几种:
1。IP错误。
在设置URL时错误,例如:jdbc:oracle:thin:@10.10.0.1:1521
数据库服务器不正确:ping 服务器IP是否正确。不正确,将URL更改为正确
端口号错误:一般不会错误。
进行一下操作:在DOS上键入sqlplus,检查oracle是否开启
一却正常,执行下面第2步。
2。防火墙
如果机器上安装有放火墙,可能是服务器端口号屏蔽而造成的。关闭防火墙后,尝试重新连接。
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