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IT24376: SFTP OUTBOUND COMMUNICATION FAILS AFTER UPGRADE TO V5.2.5_17

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APAR status

  • Closed as program error.

Error description

  • After upgrading to 525_17, the SFTP  client processes
    fail to trading partners.
    
    Error in logs:
    
    [2018-03-01 10:05:54.631] DEBUG Session.beginSession(BSR,R,PT)
    entering.
    [2018-03-01 10:05:59.064] DEBUG PsSshTransport getHost() call
    start to fetch the HostAddress
    [2018-03-01 10:05:59.064] DEBUG PsSshTransport getHost() call
    end to fetch the HostAddress
    [2018-03-01 10:05:59.091] ERROR Session.beginSession(BSR,R,PT)
    runnable caught exception. SSH_DISCONNECT_BY_APPLICATION:SFTP
    session channel closed by server.
    [2018-03-01 10:05:59.092] ERROR [1519916759091] The host key
    signature is invalid [Unknown cause]
    [2018-03-01 10:05:59.092] ERRORDTL
    [1519916759091]com.maverick.ssh.SshException: The host key
    signature is invalid [Unknown cause]
    at com.maverick.ssh2.TransportProtocol.e(Unknown Source)
    at com.maverick.ssh2.TransportProtocol.processMessage(Unknown
    Source)
    at
    com.maverick.ssh2.TransportProtocol.startTransportProtocol(Unkno
    wn Source)
    at com.maverick.ssh2.Ssh2Client.connect(Unknown Source)
    at com.maverick.ssh.SshConnector.connect(Unknown Source)
    at com.maverick.ssh.SshConnector.connect(Unknown Source)
    at
    com.sterlingcommerce.woodstock.services.sftpclient.client.Sessio
    n$1.run(Session.java:219)
    at
    EDU.oswego.cs.dl.util.concurrent.PooledExecutor$Worker.run(Unkno
    wn Source)
    at java.lang.Thread.run(Thread.java:745)
    

Local fix

  • STRRTC - 563728
    BD / BD
    Circumvention: None
    

Problem summary

  • USERS AFFECTED:
    ALL
    
    PROBLEM DESCRIPTION:
    SFTP Outbound communication fails with error after upgrade to
    525_17 - SSH_DISCONNECT_BY_APPLICATION:SFTP session channel
    closed by server
    
    PLATFORMS AFFECTED:
    ALL
    

Problem conclusion

  • RESOLUTION SUMMARY:
    
    A code fix is provided.
    
    DELIVERED IN:
    5020500_19
    

Temporary fix

Comments

APAR Information

  • APAR number

    IT24376

  • 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

    2018-03-20

  • Closed date

    2018-09-13

  • Last modified date

    2018-09-14

  • 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

    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:
14 September 2018