IO 错误: The Network Adapter could not establish the connection

IO 错误: The Network Adapter could not establish the connection

问题出在oracle的tnsnames.ora文件和listener.ora文件。tnsnames.ora配置文件:

IO 错误: The Network Adapter could not establish the connection_第1张图片

listener.ora配置文件:

IO 错误: The Network Adapter could not establish the connection_第2张图片

改完后重启Oracle服务即可。

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