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RAC: LSNRCTL Instance Status Shows Ready Zero Handlers For The Service (Doc ID 419824.1)

Last updated on JANUARY 20, 2025

Applies to:

Oracle Net Services - Version 10.1.0.2.0 and later
Oracle Database - Enterprise Edition - Version 10.2.0.5 and later
Gen 2 Exadata Cloud at Customer - Version N/A and later
Gen 1 Exadata Cloud at Customer (Oracle Exadata Database Cloud Machine) - Version N/A and later
Oracle Cloud Infrastructure - Exadata Cloud Service - Version N/A and later
Information in this document applies to any platform.
This problem can occur on any platform.
TNS-12516

Symptoms

Connections to RAC database fail with error TNS-12516 TNS:listener could not find instance with matching protocol stack.

Listener services shows service is registered and instance is ready but 0 handles.



Cause

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In this Document
Symptoms
Cause
Solution


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