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sql developer 连接出现The Network Adapter could not establish the connection
都是默认没有更改什么其他设置。监听的服务也起来了。 用win7 sql developer 连接 oracle的时候出现连接不上的问题问题,地址换成了win8 机器的ip,端口和SID 不变。 在网上找来N多答案,都行不通,改dnsnames.ora listener.ora host地址默认是localhost换成127.0.0.1也不行。
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