ORA-09749: pws_look_up: port lookup failure

文档解释

ORA-09749: pws_look_up: port lookup failure

Cause: The pws_look_up could not find a port to (Oracle helper).

Action: Make sure the (Oracle helper) server has been started correctly by pws_look_up, and that the network name server is still running.

ORA-09749表示端口查找失败。这是一个ORACLE Server端的错误,指在调用内部查找函数 pws_look_up时发生的端口查找失败。

官方解释

ORA-09749: pws_look_up: port lookup failure

Cause: An internal function to look up for port failed.

Action: Check for valid port and set up the same.

常见案例

这个错误通常是由于您指定的端口号不正确或无效所引起的,或者Socket连接请求在网络上被对方拒绝(如果尝试发送数据到端口)。

正常处理方法及步骤

(1)检查指定的端口是否存在;

(2)检查网络是否可用,检查端口是否被其他程序占用;

(3)确认端口的正确性并设置端口。

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