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PH71201: HALOAD JOB MAY HANG ON PARTITIONED TABLES, CAUSING THE HEALTH MONITOR TO TIME OUT WITH NO LOAD ACTIVITY DETECTED AND CANCEL IT

A fix is available

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APAR status

  • Closed as program error.

Error description

  • The HALOAD job may hang when loading a partitioned object. In
    this scenario, the HALOAD job waits indefinitely for one or more
    partitions to complete during the postload phase. Because the
    load activity never completes, the health monitor detects a
    condition of no load activity detected and allows its timer to
    fully expire. When the countdown completes, the health monitor
    issues messages and cancels the HALOAD job.
    
    The following messages may be issued when the health monitor
    timeout expires:
    HLOU5931I <day of year> <time> No load activity detected.
    Timeout expired nn seconds. Timeout remaining 0     seconds
    
    HLOU4004I <day of year> <time> Task: 01, Load completed for
    table: <table name>, partition: xx
    After the job is canceled by health monitor, the following
    messages may also be generated:
    
    HLOU5935E <day of year> <time> ACCEL_LOAD_TABLES on accelerator
    <accelerator>   canceled by ........  Reason code nn
    
    HLOU5738I <day of year> <time> ACCEL_LOAD_TABLES stored
    procedure ended on <accelerator>, RC=0007
    Note: The value of Reason Code 'nn' may be 2 or 3
    
    
    As a result of the health monitor canceling the HALOAD job, the
    job output may also include additional messages indicating that
    internal subtasks were terminated and that the ACCEL_LOAD_TABLES
    stored procedure ended. The following messages may appear after
    the cancellation:
    HLOU5022E <day of year> <time> Subtask HLOUHLTP terminated
    unexpectedly. SYS=0000, USR=000C
    HLOU5022E <day of year> <time> Subtask HLOUHTMG terminated
    unexpectedly. SYS=0000, USR=000C
    HLOU5064I <day of year> <time> WLM ASIDS: <wlm asid>
    HLOU5738I <day of year> <time> ACCEL_LOAD_TABLES stored
    procedure ended on <accelerator>, RC=0014
    

Local fix

  • na
    

Problem summary

  • ****************************************************************
    * USERS AFFECTED: All Users                                    *
    ****************************************************************
    HALOAD job may hang on partitioned tables, causing the
    health monitor to time out with no load activity detected
    and cancel the job
    

Problem conclusion

  • HALOAD job may hang on partitioned tables, causing the
    health monitor to time out with no load activity detected
    and cancel the job
    

Temporary fix

Comments

APAR Information

  • APAR number

    PH71201

  • Reported component name

    IDAA LOADER ZOS

  • Reported component ID

    5639OLA00

  • Reported release

    310

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2026-05-06

  • Closed date

    2026-06-18

  • Last modified date

    2026-06-20

  • APAR is sysrouted FROM one or more of the following:

  • APAR is sysrouted TO one or more of the following:

    UO08311

Modules/Macros

  • HLO#VERS HLO#WRIT HLOCLBK1 HLOCLBK2 HLOMSGEN HLOPIPE  HLOPIPEA
    HLOPIPEG HLOPOSRV HLOPSTPR HLORBKU1 HLORDELD HLORERD  HLORUSQL
    HLOSINIT HLOSTCMD HLOSUSQL HLOUBKU1 HLOUCBAS HLOUCE15 HLOUDELD
    HLOUGACG HLOUHAL1 HLOUHLTP HLOUHMON HLOUHTMG HLOUMAIN HLOUNTOK
    HLOUSE35 HLOUTMGR HLOUUMON
    

Fix information

  • Fixed component name

    IDAA LOADER ZOS

  • Fixed component ID

    5639OLA00

Applicable component levels

  • R310 PSY UO08311

       UP26/06/20 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.

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Document Information

Modified date:
20 June 2026