APAR status
Closed as program error.
Error description
A CICS system dump is formatted using the CICS dump formatter with the SO=1 option specified. After printing the list of sockets in the first socket pool the output ends with: ** DFHPD0123 A program check has occurred while processing keyword SO This is also applicable with option SO or SO=3.
Local fix
Problem summary
**************************************************************** * USERS AFFECTED: All CICS users. * **************************************************************** * PROBLEM DESCRIPTION: A CICS system dump is formatted using * * the CICS dump formatter with the S0=1, * * SO=3 or SO option specified. After * * printing the list of sockets in the * * first socket pool the output ends with: * * * * ** DFHPD0123 A program check has * * occurred while processing keyword SO * **************************************************************** When a CICS system dump is formatted using the CICS dump formatter with the SO=1, SO=3 or SO option, and one or more socket pools contain active sockets, the formatter prints the socket pool summary table correctly but fails when attempting to print the individual sockets within each pool. The failure is recorded as message "** DFHPD0123 A program check has occurred while processing keyword SO", after which the remaining socket detail output is not produced. The problem occurs in CICS dumps where socket pooling is active and sockets are retained in a pool rather than closed immediately.
Problem conclusion
The module DFHSOCO has been corrected to resolve the issue.
Temporary fix
Comments
APAR Information
APAR number
PH71948
Reported component name
CICS TS Z/OS V6
Reported component ID
5655YA100
Reported release
600
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt / Xsystem
Submitted date
2026-06-25
Closed date
2026-09-04
Last modified date
2026-09-04
APAR is sysrouted FROM one or more of the following:
APAR is sysrouted TO one or more of the following:
UO09290 UO09291
Modules/Macros
DFHSODUF
Fix information
Fixed component name
CICS TS Z/OS V6
Fixed component ID
5655YA100
Applicable component levels
R500 PSY UP
C
R600 PSY UP
C
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Document Information
Modified date:
04 September 2026