IBM Support

PH07279: DFHRM0129 THEN DFHMQ0318. UOWS COULD NOT BE RESOLVED BETWEEN CICS AND MQ

A fix is available

Obtain the fix for this APAR.

Subscribe

You can track all active APARs for this component.

 

APAR status

  • Closed as unreproducible in next release.

Error description

  • In DFHMQTRU, the first time in processing involves initialising
the LOT and it also sets the uowid in the lot (i think for debug
purposes) and then later it sets the uowid field in the RPL if
fnewuowid is set.
  The else clause on the above IF is empty. Instead, it could
setting fnewUow to drive the existing code lower down
and ensure the new uowid gets moved into the QRPL.

Local fix

  • 



Problem summary


    

  • ****************************************************************
* USERS AFFECTED: All CICS WMQ users                           *
****************************************************************
* PROBLEM DESCRIPTION: DFHRM0129 then DFHMQ0318. UOWs could    *
*                      not be resolved between CICS and MQ.    *
****************************************************************
MgDFHRM0129 Intersystem communication failure and then the
DFHMQ0318 message when CICS reconnected to another QMGR.
CICS did not know about the UOWID reported in msgDFHMQ0318 and
so was unable to resolve the UOW.

On the first entry to the TRUE the UOW ID is saved and
passed to MQ.
When a syncpoint occurs a new UOW ID is created but subsequent
entry to the TRUE will still use the initial UOWID.

    



Problem conclusion


    

  • 



Temporary fix


    

  • 



Comments


    

  • DFHMQTRU is changed to check that the UOW is the same on a
syncpoint on subsequent entry and if yes will pass the new UOW
ID to MQ.

    



APAR Information




    

  • APAR number
    PH07279
    • 

  • Reported component name
    CICS TS Z/OS V5
    • 

  • Reported component ID
    5655Y0400
    • 

  • Reported release
    900
    • 

  • Status
    CLOSED  UR1
    • 

  • PE
    NoPE
    • 

  • HIPER
    NoHIPER
    • 

  • Special Attention
    NoSpecatt / Xsystem
    • 

  • Submitted date
    2019-01-15
    • 

  • Closed date
    2019-03-13
    • 

  • Last modified date
    2019-04-02
    • 





    

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

    • 

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

    
UI61830 UI61833 UI61834
    

    • 



Modules/Macros


    

  • DFHMQTRU

    



Fix information


    

  • Fixed component name
    CICS TS Z/OS V5
    • 

  • Fixed component ID
    5655Y0400
    • 



Applicable component levels


    

  • R000  PSY  UI61834
       UP19/03/14  P  F903
    • 

  • R100  PSY  UI61830
       UP19/03/14  P  F903
    • 

  • R900  PSY  UI61833
       UP19/03/15  P  F903
    • 



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":"BU058","label":"IBM Infrastructure w\/TPS"},"Product":{"code":"SSGMGV","label":"CICS Transaction Server"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"5.2","Edition":"","Line of Business":{"code":"LOB35","label":"Mainframe SW"}},{"Business Unit":{"code":"BU054","label":"Systems w\/TPS"},"Product":{"code":"SG19M","label":"APARs - z\/OS environment"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"5.2","Edition":"","Line of Business":{"code":"","label":""}}]
              

                          

          
 
        

      

    

      

        

          

            
Document Information


            

            


                        

            Modified date:
            

            02 April 2019
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
Page Feedback