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IV30415: WHEN USING JVMTI HEAP ITERATION METHODS, OBJECTS THAT COULD CRAS H THE JVM MAY BE RETURNED

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You can track all active APARs for this component.

 

APAR status

  • Closed as program error.

Error description

  • Error Message: A GPF is received when calling JVMTI functions on
an uninitialized instance of java.lang.Class?returned from
iterateOverHeap() or iterateThroughHeap()
.
Stack Trace: N/A
.
Issue occurs when the system is performing class loading when
low on native memory.

Local fix

  • Disable JVMTI agent

Problem summary

  • The problem is caused when an uninitialized instance of
java.lang.Class is returned from the JVMTI
iterateThroughHeap()/iterateOverHeap()

Problem conclusion

  • This defect will be fixed in:
6.0.0 SR13
7.0.0 SR4
6.0.1 SR5
.
The JVM has been updated to not return uninitialized instances
of java.lang.Class from iterateThroughHeap()/iteratorOverHeap().

Temporary fix

  • 



Comments


    

  • 



APAR Information




    

  • APAR number
    IV30415
    • 

  • Reported component name
    J9 COMMON CODE
    • 

  • Reported component ID
    620700127
    • 

  • Reported release
    600
    • 

  • Status
    CLOSED  PER
    • 

  • PE
    NoPE
    • 

  • HIPER
    NoHIPER
    • 

  • Special Attention
    NoSpecatt
    • 

  • Submitted date
    2012-10-16
    • 

  • Closed date
    2012-10-16
    • 

  • 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


    

  • R600  PSY
       UP
    • 

  • R260  PSY
       UP
    • 








      
              
                            

              

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Document Information


            

            


                        

            Modified date:
            

            23 October 2012
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
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