A fix is available
APAR status
Closed as program error.
Error description
When a %BEFORE expression referencing a VARCHAR column is selected for one of the source columns, the internal UTF-8 validation may, in rare cases, incorrectly flag a character as invalid. This results in message CHC0974E, followed by CHC0321W, and causes replication to stop.
Local fix
Problem summary
**************************************************************** * USERS AFFECTED: Users of IIDR CDC for DB2 for z/OS who are * * using source column expressions for * * character data. * **************************************************************** * PROBLEM DESCRIPTION: When a %BEFORE expression is used for * * data in a tablespace with CCSID UNICODE * * the UTF-8 validation of the data is * * improperly flagging a CHAR field as * * invalid. CHC0974E and CHC0321W messages * * are seen and the subscription is * * terminated. * **************************************************************** UTF-8 validation for a CHAR field fails while processing column expression for a data in a tablespace with CCSID UNICODE.
Problem conclusion
The UTF-8 validation logic has been updated to correctly handle variable length CHAR fields.
Temporary fix
Comments
APAR Information
APAR number
PH69380
Reported component name
INFO SRVR CDC Z
Reported component ID
5655U7600
Reported release
A21
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt / Xsystem
Submitted date
2025-12-12
Closed date
2026-03-11
Last modified date
2026-04-02
APAR is sysrouted FROM one or more of the following:
APAR is sysrouted TO one or more of the following:
UO06992
Modules/Macros
CHCMBARA CHCMBCHS CHCMBCHT CHCMBDAN CHCMBDES CHCMBDEU CHCMBELL CHCMBENG CHCMBENP CHCMBENU CHCMBESP CHCMBFIN CHCMBFRA CHCMBFRB CHCMBFRC CHCMBFRS CHCMBHEB CHCMBISL CHCMBITA CHCMBITS CHCMBJPN CHCMBKOR CHCMBNLB CHCMBNLD CHCMBNOR CHCMBPTB CHCMBPTG CHCMBRMS CHCMBRUS CHCMBSVE CHCMBTHA CHCMBTRK CHCPALPF CHCPALRP CHCSDTUT
Fix information
Fixed component name
INFO SRVR CDC Z
Fixed component ID
5655U7600
Applicable component levels
RA21 PSY UO06992
UP26/03/12 P F603
Fix is available
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[{"Business Unit":{"code":"BU048","label":"IBM Software"},"Product":{"code":"SSTVMA","label":"InfoSphere Data Replication for DB2 for z\/OS"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"10.2.1","Line of Business":{"code":"LOB76","label":"Data Platform"}}]
Document Information
Modified date:
02 April 2026