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IV43505: COM.IBM.LANG.MANAGEMENT.OPERATINGSYSTEMMXBEAN.GETPROCESSCPULOAD() RETURNS -1 IN MULTITHREAD ENVIRONMENT

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You can track all active APARs for this component.

 

APAR status

  • Closed as program error.

Error description

  • Error Message: API
com.ibm.lang.management.OperatingSystemMXBean.getProcessCpuLoad(
) returns -1.
.
Stack Trace: N/A
.
Intermittently observed issue with z/OS and Linux PPC.

Local fix

  • 



Problem summary


    

  • The API
com.ibm.lang.management.OperatingSystemMXBean.getProcessCpuLoad(
) returns -1 in Multi-thread Environment even when it should
return -1 only on the first call and never after.

    



Problem conclusion


    

  • This defect will be fixed in:
7.0.0 SR5
.
Problem fixed in the JVM for Linux PPC. For z/OS this is being
tracked through z/OS APAR: OA42040.

    



Temporary fix


    

  • 



Comments


    

  • 



APAR Information




    

  • APAR number
    IV43505
    • 

  • Reported component name
    J9 COMMON CODE
    • 

  • Reported component ID
    620700127
    • 

  • Reported release
    260
    • 

  • Status
    CLOSED  PER
    • 

  • PE
    NoPE
    • 

  • HIPER
    NoHIPER
    • 

  • Special Attention
    NoSpecatt
    • 

  • Submitted date
    2013-05-31
    • 

  • Closed date
    2013-05-31
    • 

  • Last modified date
    2013-06-25
    • 





    

  • 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
    J9 COMMON CODE
    • 

  • Fixed component ID
    620700127
    • 



Applicable component levels


    

  • R260  PSY
       UP
    • 








      
              
                            

              

              [{"Business Unit":{"code":"BU059","label":"IBM Software w\/o TPS"},"Product":{"code":"SSNVBF","label":"Runtimes for Java Technology"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"6.1","Line of Business":{"code":"LOB36","label":"IBM Automation"}}]
              

                          

          
 
        

      

    

      

        

          

            
Document Information


            

            


                        

            Modified date:
            

            21 February 2022
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
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