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Deadlock Not Detected, Then Session Errors With ORA-04021 Timeout After 15 Minutes (Doc ID 2956342.1)

Last updated on OCTOBER 06, 2023

Applies to:

Oracle Database - Enterprise Edition - Version 12.2.0.1 and later
Information in this document applies to any platform.

Symptoms

The following error is encountered in single instance after few sec, while in RAC it's encountered after 15 minutes:

Changes

 None

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References


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