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ORA-7445 [QKSHTSTATGETCOLUMNSTATS()+20] During MVIEW Refresh (Doc ID 1078537.1)

Last updated on OCTOBER 03, 2019

Applies to:

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


A refresh of a materialized views fails with the following error:
ORA-07445: exception encountered: core dump [qkshtStatGetColumnStats()+20] [SIGSEGV] [ADDR:0x168] [PC:0x8DDC7B2] [Address not mapped to object] []

Failing Query:
Select * from <TABLE>@<DBLINK>;

----- PL/SQL Stack -----
----- PL/SQL Call Stack -----
object line object
handle number name
0x32208004 84 package body SYS.DBMS_SNAPSHOT
0x32208004 1808 package body SYS.DBMS_SNAPSHOT
0x32208004 2506 package body SYS.DBMS_SNAPSHOT
0x32208004 2751 package body SYS.DBMS_SNAPSHOT
0x32208004 2720 package body SYS.DBMS_SNAPSHOT
0x321c038c 1 anonymous block

You find come or all of the following function codes in the 'Call Stack' section of the incident trace file:

qkshtStatGetColumnStats kkehrd qsmmixGetIdxKeyStats qsmmixGenFakeIdxStats ddfdsii ddfdsiis
k2udio ddfnetCFull ddfnet3Share kksarm kksauc kkscscid_auc_eval kkscsCheckCriteria kkscsCheckCursor  kksSearchChildList ....


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