How to fix the Oracle error TNS-01151: Missing listener name, string, in LISTENER.ORA?

In this post, you’ll learn more about the Oracle ErrorTNS-01151: Missing listener name, string, in LISTENER.ORA with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

TNS-01151: Missing listener name, string, in LISTENER.ORA

Reason for the Error TNS-01151: Missing listener name, string, in LISTENER.ORA

Cause: The listener could not find the listener name specified.

How to fix the Error TNS-01151: Missing listener name, string, in LISTENER.ORA ?

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

Action: Make sure valid addresses on which to listen are specified for the listener name in LISTENER.ORA.