IBM Support

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