IBM Support

IT25265: THE SFTP CLIENT BEGIN SESSION GIVES ARRAY INDEX OUT OF RANGE EXCEPTION

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APAR status

  • Closed as program error.

Error description

  • Customer was receiving the below errors intermittently with
SFTP client begin sesion:
 2018-01-05 22:09:12.89] ERROR Session.beginSession(BSR,R,PT)
runnable caught RuntimeException
    [2018-01-05 22:09:12.89] ERROR [1515161352890] Array index
out of range: -1
    [2018-01-05 22:09:12.89] ERRORDTL
[1515161352890]java.lang.ArrayIndexOutOfBoundsException: Array
index out of range: -1
                    at
java.util.Vector.removeElementAt(Vector.java:570)
                    at
com.maverick.ssh.components.ComponentFactory.changePositionofAlg
orithm(Unknown Source)
                    at
com.maverick.ssh2.Ssh2Context.setMacPreferredPositionCS(Unknown
Source)
                    at
com.maverick.ssh2.Ssh2Context.setPreferredMacCS(Unknown Source)
                    at
com.sterlingcommerce.woodstock.services.sftpclient.client.Sessio
n.verifyHostKey(Session.java:1794)
                    at
com.sterlingcommerce.woodstock.services.sftpclient.client.Sessio
n.access$500(Session.java:112)
                    at
com.sterlingcommerce.woodstock.services.sftpclient.client.Sessio
n$1.run(Session.java:225)
                    at
EDU.oswego.cs.dl.util.concurrent.PooledExecutor$Worker.run(Unkno
wn Source)
                    at java.lang.Thread.run(Thread.java:798)
 [2018-05-24 11:13:01.138] ERROR Session.beginSession(BSR,R,PT)
runnable caught exception. SSH_DISCONNECT_BY_APPLICATION:SFTP
session channel closed by server.
    [2018-05-24 11:13:01.138] ERROR [1527131581138] aes256-ctr
is not supported [Unknown cause]
    [2018-05-24 11:13:01.138] ERRORDTL
[1527131581138]com.maverick.ssh.SshException: aes256-ctr is not
supported [Unknown cause]
        at
com.maverick.ssh2.Ssh2Context.setPreferredCipherSC(Unknown
Source)
        at
com.sterlingcommerce.woodstock.ssh.db.SSHExtraSupportedCipher.ad
dClientCiphers(SSHExtraSupportedCipher.java:667)
        at
com.sterlingcommerce.woodstock.services.sftpclient.client.Sessio
n.verifyHostKey(Session.java:1764)
        at
com.sterlingcommerce.woodstock.services.sftpclient.client.Sessio
n.access$500(Session.java:112)
        at
com.sterlingcommerce.woodstock.services.sftpclient.client.Sessio
n$1.run(Session.java:225)
        at
EDU.oswego.cs.dl.util.concurrent.PooledExecutor$Worker.run(Unkno
wn Source)
        at java.lang.Thread.run(Thread.java:798)

Local fix

  • RTC ID: 572025

Problem summary

  • Users Affected:
ALL

Problem Description:
SFTP Client Begin session errors out on mac and ciphers not
being supported.

Platforms Affected:
ALL

Problem conclusion

  • RESOLUTION SUMMARY:
A code fix is provided.

DELIVERED IN:
5020603_7

Temporary fix

  • 



Comments


    

  • 



APAR Information




    

  • APAR number
    IT25265
    • 

  • Reported component name
    STR B2B INTEGRA
    • 

  • Reported component ID
    5725D0600
    • 

  • Reported release
    526
    • 

  • Status
    CLOSED  PER
    • 

  • PE
    NoPE
    • 

  • HIPER
    NoHIPER
    • 

  • Special Attention
    NoSpecatt / Xsystem
    • 

  • Submitted date
    2018-06-04
    • 

  • Closed date
    2018-10-10
    • 

  • Last modified date
    2018-10-16
    • 





    

  • 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":"5.2.6","Edition":"","Line of Business":{"code":"LOB59","label":"Sustainability Software"}}]
              

                          

          
 
        

      

    

      

        

          

            
Document Information


            

            


                        

            Modified date:
            

            16 October 2018
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
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