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JDBC Application Intermittent Connectivity Issue With RAC Database - ORA-12514 (Doc ID 2503289.1)

Last updated on OCTOBER 16, 2019

Applies to:

JDBC - Version 11.2.0.1.0 and later
Information in this document applies to any platform.

Symptoms

Applications face intermittent JDBC connectivity issue against a RAC database.
Sometimes connections succeed, and on other times they fail with the following error: 

ORA-12514, TNS:listener does not currently know of service requested in connect descriptor

The issue  began to occur when the database on node 1 had to be restarted ,

No errors observed in all the node listener logs or SCAN_Listener logs.
No errors observed in the alert logs.

Changes

 

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References


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