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IV29704: DTFJ API INCORRECTLY REPORTS CLASSLOADER HEAP ROOTS AS STRONGLY REACHABLE.

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You can track all active APARs for this component.

 

APAR status

  • Closed as program error.

Error description

  • Error Message: When accessing a system dump (core file) via the
DTFJ API the com.ibm.dtfj.java.JavaReference objects for class
loader references returned by the
com.ibm.dtfj.java.JavaRuntime.getHeapRoots() method are always
be marked as being strongly reachable which is incorrect.
.
Stack Trace: N/A
.

Local fix

  • 



Problem summary


    

  • The class loader references were always being added as strongly
reachable.

    



Problem conclusion


    

  • This defect will be fixed in:
7.0.0 SR3
6.0.1 SR4
.
The DTFJ API has been updated to return
com.ibm.dtfj.java.JavaReference objects that return the correct
value from their getReachability() method.

    



Temporary fix


    

  • 



Comments


    

  • 



APAR Information




    

  • APAR number
    IV29704
    • 

  • 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
    2012-10-08
    • 

  • Closed date
    2012-10-08
    • 

  • Last modified date
    2012-10-23
    • 





    

  • 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
    • 








      
              
                            

              

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Document Information


            

            


                        

            Modified date:
            

            21 February 2022
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
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