Io 异常: The Network Adapter could not establish the connection
来源：互联网 发布：淘宝咸鱼电话 编辑：程序博客网 时间：2024/06/16 08:26
oracle sqldeveloper连接出错，连接了很多遍，试过百度上的几页方法，还是不成功，最后看到一个贴提到防火墙，机智的我随即关了防火墙，连上了！
注意连接数据，主机名端口，sid这些都是安装时的默认配置，可以到%ORACLE_PATH%\product\11.2.0\dbhome_1\NETWORK\ADMIN\下的listener.ora文件中找到，默认如图，注意关闭防火墙就可以了，还要启动各种服务，最后两个和监听服务
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- Io 异常: The Network Adapter could not establish the connection
- Io 异常: The Network Adapter could not establish the connection
- Io 异常: The Network Adapter could not establish the connection
- Io 异常: The Network Adapter could not establish the connection
- Io 异常: The Network Adapter could not establish the connection
- Io 异常: The Network Adapter could not establish the connection
- Io 异常: The Network Adapter could not establish the connection
- Io 异常: The Network Adapter could not establish the connection
- Io 异常: The Network Adapter could not establish the connection
- Io 异常: The Network Adapter could not establish the connection
- Io 异常: The Network Adapter could not establish the connection
- Io 异常: The Network Adapter could not establish the connection
- Io 异常: The Network Adapter could not establish the connection
- Io 异常: The Network Adapter could not establish the connection
- Io 异常: The Network Adapter could not establish the connection
- Io 异常: The Network Adapter could not establish the connection
- Io 异常: The Network Adapter could not establish the connection
- Io 异常: The Network Adapter could not establish the connection
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