解决【oracle】 IO 异常：The Network Adapter could not establish the connection
2017-01-09 15:11
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按照之前网上别人写的，错误分为以下几种：
1.防火墙没关
2.监听服务没开
3.ip填写不正确，或者sid不正确
最后我都试了都不行。
可以试试如下：
打开oracle安装目录->product->继续->继续->进入NETWORK->admin->修改listener.ora和 tnsnames.ora
把里面的localhost换为本机的固定ip，重启oracle监听和服务。
1.防火墙没关
2.监听服务没开
3.ip填写不正确，或者sid不正确
最后我都试了都不行。
可以试试如下：
打开oracle安装目录->product->继续->继续->进入NETWORK->admin->修改listener.ora和 tnsnames.ora
把里面的localhost换为本机的固定ip，重启oracle监听和服务。
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