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IT20552: IBM STERLING B2B INTEGRATOR NODES ARE KILLED INTERMITTENTLY DUE TO MEMORY LEAKS IN SFTP SERVER ADAPTER

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APAR status

  • Closed as program error.

Error description

  • Memory leaks in SFTP Server Adapter leads to OutofMemory
and eventually freezes IBM Sterling B2B Integrator node.
Core dump captured from Noapp ASI node with 8GB heap shows
primary supect as below.
Problem Suspect 1:
One instance of "com.maverick.sshd.TransportProtocol" loaded by
"com.sterlingcommerce.woodstock.ldr.DynamicClassLoader @
0x7b07c0" occupies 7,993,654,344 (91.97%) bytes. The memory is
accumulated in one instance of "java.util.LinkedList" loaded by
"com.ibm.oti.vm.BootstrapClassLoader @ 0x7ce12e0".

Local fix

  • None

STRRTC 536926
KK/KK

Problem summary

  • Users Affected:
All

Problem Description:
Out of memory in SFTP Adapter.

Platforms Affected:
All

Problem conclusion

  • Resolution Summary:
A code fix is provided.

Delivered In:
5020500_16
5020601_8
5020603_3
5020602_2

Temporary fix

  • 



Comments


    

  • 



APAR Information




    

  • APAR number
    IT20552
    • 

  • Reported component name
    STR B2B INTEGRA
    • 

  • Reported component ID
    5725D0600
    • 

  • Reported release
    525
    • 

  • Status
    CLOSED  PER
    • 

  • PE
    NoPE
    • 

  • HIPER
    NoHIPER
    • 

  • Special Attention
    NoSpecatt / Xsystem
    • 

  • Submitted date
    2017-05-11
    • 

  • Closed date
    2017-07-12
    • 

  • Last modified date
    2018-06-04
    • 





    

  • 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
    STR B2B INTEGRA
    • 

  • Fixed component ID
    5725D0600
    • 



Applicable component levels


    








      
              
                            

              

              [{"Business Unit":{"code":"BU059","label":"IBM Software w\/o TPS"},"Product":{"code":"SS3JSW","label":"IBM Sterling B2B Integrator"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"5.2.5","Edition":"","Line of Business":{"code":"LOB02","label":"AI Applications"}}]
              

                          

          
 
        

      

    

      

        

          

            
Document Information


            

            


                        

            Modified date:
            

            04 June 2018
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
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