IBM Support

IZ01335: HOT CODE REPLACE CAUSES ERRORS

Subscribe

You can track all active APARs for this component.

 

APAR status

  • Closed as program error.

Error description

  • Error Message: Failed to redefine class java/lang/Object. Error
code 79 and sometime an application crash when trying to
redefineclasses.
.
Stack Trace:
.

Local fix

  • 



Problem summary


    

  • Hot code replace can cause the program to start throwing
exceptions like IllegalAccessError and
IncompatibleClassChangeError.

    



Problem conclusion


    

  • This defect will be fixed in:
5.0.0 SR6
.
The JVM and GC have been updated to prevent crashes occurring
when classes are redefined.
.
To obtain the fix:
Install build 20070720 or later

    



Temporary fix


    

  • 



Comments


    

  • 



APAR Information




    

  • APAR number
    IZ01335
    • 

  • Reported component name
    JAVA 5 J9 COMMO
    • 

  • Reported component ID
    620500127
    • 

  • Reported release
    500
    • 

  • Status
    CLOSED  PER
    • 

  • PE
    NoPE
    • 

  • HIPER
    NoHIPER
    • 

  • Special Attention
    NoSpecatt
    • 

  • Submitted date
    2007-07-19
    • 

  • Closed date
    2007-07-30
    • 

  • Last modified date
    2007-07-30
    • 





    

  • 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 J9 COMMO
    • 

  • Fixed component ID
    620500127
    • 



Applicable component levels


    

  • R500  PSN
       UP
    • 








      
              
                            

              

              [{"Business Unit":{"code":"BU048","label":"IBM Software"},"Product":{"code":"SSCVQ3W","label":"Virtual Machine"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"5.0","Edition":"","Line of Business":{"code":"","label":""}}]
              

                          

          
 
        

      

    

      

        

          

            
Document Information


            

            


                        

            Modified date:
            

            30 July 2007
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
Page Feedback