ORA-04021 "timeout occurred while waiting to lock object" is Raised, and the Blocking Session is in "virtual circuit next request" Wait.

(Doc ID 2054798.1)

Last updated on SEPTEMBER 14, 2015

Applies to:

Oracle Database - Standard Edition - Version 12.1.0.1 and later
Oracle Database - Enterprise Edition - Version 12.1.0.1 and later
Information in this document applies to any platform.

Symptoms

Changes

Enterprise Manager Express (EM Express) is configured on this system.

 

Cause

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