How to fix the Oracle error CLSS-02201: endpoint already in use: string?

In this post, you’ll learn more about the Oracle ErrorCLSS-02201: endpoint already in use: string with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

CLSS-02201: endpoint already in use: string

Reason for the Error CLSS-02201: endpoint already in use: string

Cause: The specified endpoint is already in use. Another process is using the endpoint.

How to fix the Error CLSS-02201: endpoint already in use: string ?

You can fix this error in Oracle by following the below steps

Action: Shut down the other process, and retry the startup attempt.