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DB2 - Problembeschreibung

Problem IC94718 Status: Geschlossen

MEMORY OVERWRITE CAN HAPPEN WHEN ARRAYS WITH ELEMENTS OF LARGE SIZE ARE
USED.

Produkt:
DB2 FOR LUW / DB2FORLUW / 970 - DB2
Problembeschreibung:
Memory overwrite can happen when arrays with elements of large 
size are used (example: create type arrayCLOB as clob(2M) 
array[]) and  assignments to the same element in array either 
fluctuate greatly: 
 
set size large 
set size tiny 
set size large 
set size tiny 
etc.. 
 
or go up: 
 
set size large 
set size larger 
set size even larger 
set size even larger then before 
etc.. 
 
This can occur when calling MONREPORT.CURRENTSQL routine. 
 
The stack trace can be vary since this is memory corruption 
problem. Here is an example: 
 
pdLog 
diagnoseMemoryCorruptionAndCrash 
MemTreePreallocateAndInsert 
allocateMemoryBlock 
sqlogmblkEx 
allocateDyn 
setElement 
appendElement 
sqlriArrayAgg 
sqlriagg 
sqlriSectInvoke 
sqlrr_process_execute_request 
sqlrr_execute 
run 
pvm_entry 
sqloInvoke 
sqlriInvokerTrusted 
sqlriInvokeInvoke 
sqlricall 
 ...
Problem-Zusammenfassung:
**************************************************************** 
* USERS AFFECTED:                                              * 
* Users using array data types.                                * 
**************************************************************** 
* PROBLEM DESCRIPTION:                                         * 
* See Error Description                                        * 
**************************************************************** 
* RECOMMENDATION:                                              * 
* Upgrade to DB2 Version 9.7 Fix Pack 9.                       * 
****************************************************************
Local-Fix:
Not using array data types.
verfügbare FixPacks:
DB2 Version 9.7 Fix Pack 9 for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 9a for Linux, UNIX, and Windows

Lösung
First fixed in DB2 Version 9.7 Fix Pack 9.
Workaround
keiner bekannt / siehe Local-Fix
Weitere Daten
Datum - Problem gemeldet    :
Datum - Problem geschlossen :
Datum - der letzten Änderung:
07.08.2013
12.02.2014
12.02.2014
Problem behoben ab folgender Versionen (IBM BugInfos)
9.7.FP9
Problem behoben lt. FixList in der Version
9.7.0.9 FixList
9.7.0.9 FixList