How to fix the Oracle error TNS-02404: Service string contains no local handlers?

In this post, you’ll learn more about the Oracle ErrorTNS-02404: Service string contains no local handlers with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

TNS-02404: Service string contains no local handlers

Reason for the Error TNS-02404: Service string contains no local handlers

Cause: The listener found no suitable handler to redirect to.

How to fix the Error TNS-02404: Service string contains no local handlers ?

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

Action: Make sure that there is at least one handler for this node.