IBM Support

PH44437: WORK MANAGER CODE REQUIRES SYNCHRONIZATION OF UNPROTECTED BOOLEAN VALUE

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APAR status

  • Closed as program error.

Error description

  • Work manager code requires synchronization of unprotected
boolean value

Local fix

  • 



Problem summary


    

  • ****************************************************************
* USERS AFFECTED:  All users of IBM WebSphere Application      *
*                  Server using work manager                   *
****************************************************************
* PROBLEM DESCRIPTION: Work manager start up duration value    *
*                      can be wrong.                           *
****************************************************************
* RECOMMENDATION:                                              *
****************************************************************
An unsynchronized start up duration value under load with many
thread can report the wrong value.

    



Problem conclusion


    

  • Synchronized the start up duration value that protect it from
multiple thread access at the same time.

The fix for this APAR is targeted for inclusion in fix pack
8.5.5.22 and 9.0.5.12. For more information, see 'Recommended
Updates for  WebSphere Application Server':
https://www.ibm.com/support/pages/node/715553

    



Temporary fix


    

  • 



Comments


    

  • 



APAR Information




    

  • APAR number
    PH44437
    • 

  • Reported component name
    WEBS APP SERV N
    • 

  • Reported component ID
    5724H8800
    • 

  • Reported release
    900
    • 

  • Status
    CLOSED  PER
    • 

  • PE
    NoPE
    • 

  • HIPER
    NoHIPER
    • 

  • Special Attention
    NoSpecatt / Xsystem
    • 

  • Submitted date
    2022-02-25
    • 

  • Closed date
    2022-06-01
    • 

  • Last modified date
    2022-06-01
    • 





    

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

    • 

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

    • 



Fix information


    

  • Fixed component name
    WEBS APP SERV N
    • 

  • Fixed component ID
    5724H8800
    • 



Applicable component levels


    








      
              
                            

              

              [{"Business Unit":{"code":"BU059","label":"IBM Software w\/o TPS"},"Product":{"code":"SSEQTP","label":"WebSphere Application Server"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"9.0","Line of Business":{"code":"LOB45","label":"Automation"}}]
              

                          

          
 
        

      

    

      

        

          

            
Document Information


            

            


                        

            Modified date:
            

            06 July 2022
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
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