A fix is available
APAR status
Closed as program error.
Error description
CICS runaway detection unexpectedly triggers too soon for tasks running on a T8 TCB (where we multiply ICVR by 10).
Local fix
Increase ICVR value
Problem summary
**************************************************************** * USERS AFFECTED: All CICS users with UO05382, UO05383, * * UO05384, UO06688, UO06689 or UO07427 * * applied. * **************************************************************** * PROBLEM DESCRIPTION: A task running in a JVM server abends * * AICA. * **************************************************************** DFHKETIX incorrectly determines the amount of CPU consumed by a Java program executing under a T8 environment and abends the transaction AICA (runaway) despite the program not having consumed the limiting amount of CPU. Specifically, CICS runaway triggers prematurely if a task runs for greater than its CPU allowance in terms of wall clock time and uses more than 10% of its CPU allowance in that interval.
Problem conclusion
UO05382, UO05383, UO05384, UO06688, UO06689, UO07427 DFHKETIX has been changed to correct the runaway calculation.
Temporary fix
Comments
APAR Information
APAR number
PH71066
Reported component name
CICS TS Z/OS V6
Reported component ID
5655YA100
Reported release
500
Status
CLOSED PER
PE
YesPE
HIPER
NoHIPER
Special Attention
NoSpecatt / Xsystem
Submitted date
2026-04-27
Closed date
2026-07-07
Last modified date
2026-07-08
APAR is sysrouted FROM one or more of the following:
APAR is sysrouted TO one or more of the following:
PH71371 UO08510 UO08511 UO08512
Modules/Macros
DFHAPDM DFHASV DFHCRC DFHCRNP DFHCRSP DFHCSVC DFHCZTRI DFHDBCR DFHDBCT DFHDMDM DFHDMSVC DFHDSDM DFHDSDS3 DFHDSMT DFHDSTCB DFHDT64M DFHDTDA DFHDTDC DFHDTLI DFHDTLX DFHDTRC DFHDTRI DFHDTSS DFHDTST DFHDUDU DFHDUSR DFHDUSVC DFHEIQST DFHHPSVC DFHIEIE DFHIEXM DFHKEAR DFHKEDD DFHKEDS DFHKEGD DFHKEIN DFHKESTX DFHKETCB DFHKETIX DFHL2BS4 DFHL2CH4 DFHL2CHE DFHL2CHM DFHL2CHO DFHL2CHP DFHL2LB DFHL2SR5 DFHL2WF DFHLDDM DFHLDDMI DFHLDLB2 DFHLDLB3 DFHLDLD1 DFHLDLD2 DFHLDLD3 DFHLDSVC DFHLEPTD DFHLEPTI DFHMNDM DFHMNSU DFHMNSVC DFHMQIG DFHMQSVC DFHNCSVC DFHPITH DFHPSPSS DFHRXDM DFHRXSVC DFHRXUW DFHRZDM DFHRZIX DFHRZLN DFHRZNR2 DFHRZRG2 DFHRZRM DFHRZRS1 DFHRZSO DFHRZSO1 DFHRZTA DFHRZTCX DFHRZTR1 DFHRZTRI DFHRZXM DFHS2PP DFHSIB1 DFHSIF1 DFHSIJ1 DFHSJNDI DFHSJPTI DFHSKC DFHSMDM DFHSMPP DFHSMSU DFHSNTU DFHSOAD DFHSOCK DFHSOCKT DFHSODM DFHSODS DFHSODUF DFHSOES DFHSOHN DFHSOIS DFHSOL DFHSOLI DFHSOLS DFHSOLX DFHSOLX6 DFHSOM01 DFHSOM02 DFHSOM03 DFHSONT DFHSOPL DFHSORD DFHSORL DFHSORM DFHSOS00 DFHSOS01 DFHSOS02 DFHSOS03 DFHSOS04 DFHSOS05 DFHSOS06 DFHSOS07 DFHSOS08 DFHSOS09 DFHSOS10 DFHSOS11 DFHSOS12 DFHSOS13 DFHSOS14 DFHSOS15 DFHSOS16 DFHSOS17 DFHSOS18 DFHSOS19 DFHSOS20 DFHSOS21 DFHSOS22 DFHSOS23 DFHSOSE DFHSOSES DFHSOSM DFHSOST DFHSOSVC DFHSOTB DFHSOTI DFHSOTRI DFHSOUE DFHSOXM DFHSPEJB DFHSPEJC DFHSPEJE DFHSPISB DFHSPISC DFHSPISE DFHSPSOB DFHSPSOC DFHSPSOE DFHSPWBB DFHSPWBC DFHSPWBE DFHSTP DFHSTST DFHTCDUF DFHWBA DFHWBA1 DFHWBAP DFHWBAPF DFHWBBLI DFHWBCL DFHWBDUF DFHWBSO DFHWBSR DFHWBSV DFHWBXM DFHWBXN DFHWSSN2 DFHWSSR DFHWSTKV DFHWTI DFHXCDMP DFHXCGUR DFHXCSVC DFHXSAD DFHXSCT DFHXSDM DFHXSFL DFHXSIS DFHXSKR DFHXSLU DFHXSPW DFHXSRC DFHZDSP DFHZHPSR DFHZIS2 DFHZXSTS DFJ@H360
Fix information
Fixed component name
CICS TS Z/OS V6
Fixed component ID
5655YA100
Applicable component levels
R400 PSY UO08512
UP26/07/08 I 1000 {
R500 PSY UO08511
UP26/07/08 I 1000 {
R600 PSY UO08510
UP26/07/08 I 1000 {
Fix is available
Select the PTF appropriate for your component level. You will be required to sign in. Distribution on physical media is not available in all countries.
[{"Business Unit":{"code":"BU048","label":"IBM Software"},"Product":{"code":"SSGMGV","label":"CICS Transaction Server"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"6.2","Line of Business":{"code":"LOB70","label":"Z TPS"}}]
Document Information
Modified date:
08 July 2026