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Slow Connections and Intermittent ORA-12521 From WebLogic Application Using Oracle JDBC to Connection to a RAC Database (Doc ID 1999778.1)

Last updated on FEBRUARY 19, 2021

Applies to:

JDBC - Version 11.2.0.3.0 and later
Information in this document applies to any platform.

Symptoms

Oracle WebLogic 12.1.2 application is slow to connect to a 2-node RAC database, usually taking around 1 minute.
At the time of the issue,
the application reports intermittent ORA-12521 errors:

Changes

 

Cause

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In this Document
Symptoms
Changes
Cause
Solution


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