ORA-12523: TNS:listener could not find instance appropriate for the client connection

ORA-12523: TNS:listener could not find instance appropriate for the client connection
Cause: The listener could not find any available (database) instances, that are appropriate for the client connection.
Action: Run "lsnrctl services" to ensure that the instance(s) are registered with the listener, and have status READY.

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小智 2018-08-30 16:40

ORA-12523：TNS：listener找不到适合客户端连接的实例,
.原因：侦听器找不到任何适用于客户端连接的可用（数据库）实例。,
.操作：运行“lsnrctl services”以确保实例已向侦听器注册，并且状态为READY。,
.

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ORA-12523: TNS:listener could not find instance appropriate for the client connection

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