Frequent Ora-02051 Error In The Alert.Log After Migration To 11.2.0.1

(Doc ID 1244404.1)

Last updated on SEPTEMBER 04, 2015

Applies to:

Oracle Database - Enterprise Edition - Version 11.2.0.1 and later
Information in this document applies to any platform.
***Checked for relevance on 06-Feb-2013***

Symptoms


After migration to 11.2.0.1,  RAC database has been getting ORA-02051 error frequently. Alert log shows


ORA-02051: another session or branch in same transaction failed or finalized
Error 2051 trapped in 2PC on transaction 9.29.1563855. Cleaning up.



These are recovered by RECO and there are no transactions in DBA_2PC_PENDING or x$ktuxe .


Cause

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