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

(Doc ID 1078537.1)

Last updated on FEBRUARY 07, 2014

Applies to:

Oracle Database - Enterprise Edition - Version 11.1.0.7 and later
Information in this document applies to any platform.
.
.
Environment:

DB2 Information:
DB2 UDB for AS/400
05.04.0000 V5R4m0

Linux ODBC information:
unixODBC-2.2.11-7.1
unixODBC-devel-2.2.11-7.1

ODBC Driver Version:
iSeriesAccess-6.1.0-1.0


Symptoms

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 <some.table@some.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 ....

Changes

Upgraded  from 10.2.0.4 to 11.1.0.7

Cause

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