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

Last updated on DECEMBER 05, 2008

Applies to:

Oracle Net Services - Version: 10.1.0.2.0 to 10.2.0.1.0
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.

Service "ORCL" has 1 instance(s).
Instance "ORCL1", status READY, has 0 handler(s) for this service...



Cause

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