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IV01155: WAS CLASSLOADER LEAK DUE TO INVALID OBJECT REFERENCE FROM KEEP-A LIVE-TIMER THREAD

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You can track all active APARs for this component.

 

APAR status

  • Closed as program error.

Error description

  • Error Message: N/A
.
Stack Trace: N/A
.
The daemon thread Keep-Alive-Timer inherits it's
contextclassloader from a parent thread's classloader which is a
WAS application classloder due to which keeping a strong
reference to it resulting in memory leak

Local fix

  • 



Problem summary


    

  • The problem is caused when WAS application classloader is not
being unloaded by GC, due to invalid reference from an object

    



Problem conclusion


    

  • This defect will be fixed in:
5.0.0 SR12 FP5
.
The JVM has been updated to prevent the application classloader
leak by removing invalid reference from object
.
To obtain the fix:
Install build 20110610 or later

    



Temporary fix


    

  • 



Comments


    

  • 



APAR Information




    

  • APAR number
    IV01155
    • 

  • Reported component name
    JAVA 5 CLASS LI
    • 

  • Reported component ID
    620500130
    • 

  • Reported release
    500
    • 

  • Status
    CLOSED  PER
    • 

  • PE
    NoPE
    • 

  • HIPER
    NoHIPER
    • 

  • Special Attention
    NoSpecatt
    • 

  • Submitted date
    2011-06-06
    • 

  • Closed date
    2011-06-15
    • 

  • Last modified date
    2011-07-14
    • 





    

  • 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
    JAVA 5 CLASS LI
    • 

  • Fixed component ID
    620500130
    • 



Applicable component levels


    

  • R500  PSY
       UP
    • 








      
              
                            

              

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Document Information


            

            


                        

            Modified date:
            

            14 July 2011
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
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