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 FEBRUARY 14, 2019
Applies to:Oracle Database - Standard Edition - Version 126.96.36.199 and later
Oracle Database - Enterprise Edition - Version 188.8.131.52 and later
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Information in this document applies to any platform.
- ORA-4021 was raised while running spcreate.sql from sqlplus. which looks like a query executed from EM Express.
Enterprise Manager Express (EM Express) is configured on this system.
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