IBM Support

IT20694: A RACE CONDITION IS CREATED WHEN THREAD 1 AND THREAD 2 OF A POOLCONNECTION IS CREATED.

A fix is available

IBM Host Access Transformation Services version 9.5.1

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APAR status

  • Closed as program error.

Error description

  • Thread 1 and thread 2 pool connection creation flow is disturbed
because of a race condition.

Local fix

  • 



Problem summary


    

  • ****************************************************************
* USERS AFFECTED:                                              *
* HATS users with pooling enabled                              *
****************************************************************
* PROBLEM DESCRIPTION:                                         *
* Thread 1 and thread 2 pool connection creation flow is       *
* disturbed because of a race condition.                       *
****************************************************************
* RECOMMENDATION:                                              *
* Upgrade to HATS 9.5.1 or 9.6                                 *
****************************************************************

    



Problem conclusion


    

  • The source code was changed to resolve this issue.

    



Temporary fix


    

  • 



Comments


    

  • 



APAR Information




    

  • APAR number
    IT20694
    • 

  • Reported component name
    RATL HATS MULTI
    • 

  • Reported component ID
    5724U6700
    • 

  • Reported release
    900
    • 

  • Status
    CLOSED  PER
    • 

  • PE
    NoPE
    • 

  • HIPER
    NoHIPER
    • 

  • Special Attention
    NoSpecatt / Xsystem
    • 

  • Submitted date
    2017-05-21
    • 

  • Closed date
    2020-05-08
    • 

  • Last modified date
    2020-05-08
    • 





    

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

    • 

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

    • 



Modules/Macros


    

  • HATS

    



Fix information


    

  • Fixed component name
    RATL HATS MULTI
    • 

  • Fixed component ID
    5724U6700
    • 



Applicable component levels


    

  • R900  PSY
       UP
    • 








      
              
                            

              

              [{"Line of Business":{"code":"LOB35","label":"Mainframe SW"},"Business Unit":{"code":"BU058","label":"IBM Infrastructure w\/TPS"},"Product":{"code":"SSXKAY","label":"Rational Host Access Transformation Services"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"900"}]
              

                                                                    

          
 
        

      

    

      

        

          

            
Document Information


            

            


                        

            Modified date:
            

            26 September 2021
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
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