TNS-12203: TNS:unable to connect to destination

TNS-12203: TNS:unable to connect to destination
Cause: Invalid address specified or destination is not listening. This error can also occur because of underlying network or network transport problems.
Action: Verify that the net service name you entered was correct. Verify that the ADDRESS portion of the connect descriptor which corresponds to the net service name is correct. Ensure that the destination process (for example the listener) is running at the remote node.

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小智 2018-08-30 19:01

TNS-12203：TNS：无法连接到目的地,
.原因：指定的地址无效或目的地未收听。由于底层网络或网络传输问题，也可能会发生此错误。,
.操作：验证您输入的网络服务名称是否正确。验证与网络服务名称对应的连接描述符的ADDRESS部分是否正确。确保目标进程（例如侦听器）在远程节点上运行。,
.

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TNS-12203: TNS:unable to connect to destination

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