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IZ83739: POOR PERFORMANCE IN JAVA.BEANS.XMLENCODER.WRITEOBJECT() METHOD

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You can track all active APARs for this component.

 

APAR status

  • Closed as program error.

Error description

  • Error Message: A OutOfMemoryError or long pause is received when
starting customer's application.
.
Stack Trace: at
java/beans/ReferenceMap.get(ReferenceMap.java:61(Compiled Code))
at java/beans/Encoder.get(Encoder.java:186(Compiled Code))
at
java/beans/XMLEncoder.writeExpression(XMLEncoder.java:1012(Compi
led Code))
at
java/beans/DefaultPersistenceDelegate.initialize(DefaultPersiste
nceDelegate.java:136(Compiled Code))
at
java/beans/PersistenceDelegate.writeObject(PersistenceDelegate.j
ava:124(Compiled Code))
at java/beans/Encoder.writeObject(Encoder.java:418(Compiled
Code))
at
java/beans/XMLEncoder.writeObject(XMLEncoder.java:1042(Compiled
Code))
at java/beans/Encoder.writeExpression(Encoder.java:396(Compiled
Code))
at
java/beans/XMLEncoder.writeExpression(XMLEncoder.java:1028(Compi
led Code))
at
java/beans/UtilListPersistenceDelegate.initialize(UtilListPersis
tenceDelegate.java:37)
at
java/beans/PersistenceDelegate.writeObject(PersistenceDelegate.j
ava:116)
at java/beans/Encoder.writeObject(Encoder.java:418)
at java/beans/XMLEncoder.writeObject(XMLEncoder.java:1042)
at java/beans/Encoder.writeExpression(Encoder.java:396)
at java/beans/XMLEncoder.writeExpression(XMLEncoder.java:1028)
at
java/beans/PersistenceDelegate.writeObject(PersistenceDelegate.j
ava:120)
at java/beans/Encoder.writeObject(Encoder.java:418)
at java/beans/XMLEncoder.writeObject(XMLEncoder.java:1042)
.

Local fix

  • 



Problem summary


    

  • The problem is caused when several objects are written by
java.beans.XMLEncoder.

    



Problem conclusion


    

  • This defect will be fixed in:
6.0.0 SR9
.
Several classes of beans module have been updated to prevent
such a poor performance to happen
.
To obtain the fix:
Install build 20100907 or later

    



Temporary fix



Comments


    

  • 



APAR Information




    

  • APAR number
    IZ83739
    • 

  • Reported component name
    JAVA CLASS LIBS
    • 

  • Reported component ID
    620700130
    • 

  • Reported release
    600
    • 

  • Status
    CLOSED  PER
    • 

  • PE
    NoPE
    • 

  • HIPER
    NoHIPER
    • 

  • Special Attention
    NoSpecatt
    • 

  • Submitted date
    2010-09-01
    • 

  • Closed date
    2010-09-10
    • 

  • Last modified date
    2012-01-06
    • 





    

  • 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 CLASS LIBS
    • 

  • Fixed component ID
    620700130
    • 



Applicable component levels


    

  • R600  PSN
       UP
    • 








      
              
                            

              

              [{"Business Unit":{"code":"BU048","label":"IBM Software"},"Product":{"code":"SSCVQ3Y","label":"Java Class Libraries"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"6.0","Edition":"","Line of Business":{"code":"","label":""}}]
              

                                                                    

          
 
        

      

    

      

        

          

            
Document Information


            

            


                        

            Modified date:
            

            06 January 2012
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
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