IBM Support

PH65154: DFHWB0728 ERROR WITH INVALID_GETMAIN_LENGTH WHEN ATTEMPTING A GETMAIN WITH A LENGTH OF 0 25/04/01 PTF PECHANGE

A fix is available

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APAR status

  • Closed as program error.

Error description

  • When DFHWBSR is processing a chunked message that doesn't
    contain any data, a GETMAIN is issued with a length of 0
    and this fails with a DFHWB0728 error. The trace shows an
    INVALID_LENGTH_ERROR being returned from the GETMAIN call.
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED: All CICS Users with PH59350 applied.         *
    ****************************************************************
    * PROBLEM DESCRIPTION: DFHWB0728 error when receiving 0 length *
    *                      chunked request                         *
    ****************************************************************
    An HTTP client application sends CICS a chunked request which
    has a total size of 0. When CICS attempts to receive the request
    it causes DFHWB0728 message. The CICS trace shows an
    INVALID_GETMAIN_LENGTH because a buffer of size 0 is attempted
    to be GETMAINed.
    
    Additional Keyword(s): SM4202, WB0501
    

Problem conclusion

  • UI98358 UI98359
    DFHWBSR has been updated to correctly handle a chunked request
    of total size 0.
    

Temporary fix

Comments

APAR Information

  • APAR number

    PH65154

  • Reported component name

    CICS TS Z/OS V6

  • Reported component ID

    5655YA100

  • Reported release

    400

  • Status

    CLOSED PER

  • PE

    YesPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2025-02-07

  • Closed date

    2025-04-01

  • Last modified date

    2025-05-02

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

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

    UO02653 UO02656

Modules/Macros

  • DFHWBA   DFHWBA1  DFHWBAP  DFHWBAPF DFHWBBLI DFHWBDM  DFHWBDUF
    DFHWBENV DFHWBPA  DFHWBPW  DFHWBSO  DFHWBSR  DFHWBTRI DFHWBTTA
    DFHWBXM  DFHWBXN
    

Fix information

  • Fixed component name

    CICS TS Z/OS V6

  • Fixed component ID

    5655YA100

Applicable component levels

  • R400 PSY UO02656

       UP25/04/03 P F504 {

  • R500 PSY UO02653

       UP25/04/03 P F504 {

Fix is available

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Document Information

Modified date:
02 May 2025