ORA-12516: TNS:listener could not find available handler with matching protocol stack

ORA-12516: TNS:listener could not find available handler with matching protocol stack
Cause: None of the known and available service handlers for the given SERVICE_NAME support the client's protocol stack: transport, session, and presentation protocols.
Action: Check to make sure that the service handlers (e.g. dispatchers) for the given SERVICE_NAME are registered with the listener, are accepting connections, and that they are properly configured to support the desired protocols.

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小智 2018-08-30 16:40

ORA-12516：TNS：侦听器找不到具有匹配协议栈的可用处理程序,
.原因：给定SERVICE_NAME的已知和可用的服务处理程序都不支持客户端的协议栈：传输，会话和显示协议。,
.操作：检查以确保给定SERVICE_NAME的服务处理程序（例如调度程序）已注册到侦听器，正在接受连接，并且它们已正确配置为支持所需的协议。,
.

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ORA-12516: TNS:listener could not find available handler with matching protocol stack

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