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lsnr configuration error use another port number how to do, for this problem, this article details the corresponding analysis and answer, hope to help more want to solve this problem of small partners to find a simpler and easier way.

Today, I often encounter when I configure the virtual machine oracle lsnr

the information provided for this listener is currently in use

Execute the following command line to verify that port 1521 is not occupied

netstat -an | grep 1521

All right, let's get started.

/etc/hosts、

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