Distributed Transaction Fails with ORA-03150 ORA-02055, alert log shows ORA-07445: [qsmmixGetIdxKeyStats()+231]
(Doc ID 1909692.1)
Last updated on AUGUST 04, 2018
Applies to:Oracle Database - Enterprise Edition - Version 184.108.40.206 and later
Information in this document applies to any platform.
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] 
Upgraded source database to 220.127.116.11 and remote database still remains lower to 18.104.22.168
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