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Encountering ORA-00054 Resource Busy And Acquire With NOWAIT Specified Or Timeout Expired after going to 11gR2 from 10gR2 (Doc ID 1559416.1)

Last updated on MARCH 03, 2019

Applies to:

Oracle Database Cloud Exadata Service - Version N/A and later
Oracle Database Backup Service - Version N/A and later
Oracle Database Cloud Service - Version N/A and later
Oracle Database - Enterprise Edition - Version 11.2.0.3 and later
Oracle Database Cloud Schema Service - Version N/A and later
Information in this document applies to any platform.

Symptoms

After upgrading from 10g to 11g (Same scenario below works on 10g)


Cause:
ORA-00054: resource busy and acquire with NOWAIT specified or timeout expired

Scenario: Testcase

From Session 1:

 

Session 1

 Session 2  ^

 

 



Changes

 upgraded to 11g from 10g

Cause

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