Distributed Transaction Fails with ORA-03150 ORA-02055, alert log shows ORA-07445: [qsmmixGetIdxKeyStats()+231] (Doc ID 1909692.1)

Last updated on FEBRUARY 06, 2017

Applies to:

Oracle Database - Enterprise Edition - Version 11.2.0.4 and later
Information in this document applies to any platform.

Symptoms

Distributed transaction failed with:

ERROR at line 1:
ORA-03150: end-of-file on communication channel for database link
ORA-02055: distributed update operation failed; rollback required
ORA-02063: preceding lines from SLACTUNLTODEVTEST

However from the remote database the error returned is
ORA-07445: exception encountered: core dump [qsmmixGetIdxKeyStats()+231] [SIGSEGV] [ADDR:0x8] [PC:0x58AE44F] [Address not mapped to object] []


Changes

Upgraded source database to 11.2.0.4 and remote database still remains lower to 11.2.0.4

Cause

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