on 12-08-2014 7:52 PM
Hi Experts,
We are facing the following issue when trying to connect to the SFTP Server. It's a simple outbound interface (IDOC > PI > SFTP Server)
12/08/2014 18:06:23.077 | Information | MP: processing local module localejbs/ModuleProcessorExitBean |
12/08/2014 18:06:23.077 | Information | Message entered AF MP exit bean and will be passed to the JCA adapter now. |
12/08/2014 18:06:23.079 | Information | Filesize is 279 Bytes |
12/08/2014 18:06:24.082 | Error | Adapter Framework caught exception: com.jcraft.jsch.JSchException: Algorithm negotiation fail |
12/08/2014 18:06:24.082 | Error | MP: exception caught with cause javax.resource.ResourceException: com.jcraft.jsch.JSchException: Algorithm negotiation fail |
12/08/2014 18:06:24.082 | Error | Message could not be forwarded to the JCA adapter. Reason: com.jcraft.jsch.JSchException: Algorithm negotiation fail |
12/08/2014 18:06:24.083 | Error | Delivering the message to the application using connection SFTP_http://sap.com/xi/XI/SFTP failed, due to: com.sap.engine.interfaces.messaging.api.exception.MessagingException: javax.resource.ResourceException: com.jcraft.jsch.JSchException: Algorithm negotiation fail. |
We are using the authentication method password.
Once connected thru Filezilla we can see the following details of the encryption...
Algorithm: Diffie-Hellman
SHA-256
My question is! What's the standard algorithm of the SFTP ADAPTER 1.0? Can I add any parameter by module? I couldn't find any standard documentation about the SFTP ADAPTER 1.0
PS. I am able to connect by Putty from UNIX Server where the PI is installed.
Thanks,
Leandro Silva
Hello Leandro,
I would recommend using the latest patches for the SFTP adapter or upgrading to SP03 or SP04. There have been a number of fixes which should prevent this error from occurring.
Check the following for more details:
1) see note #2058686 Upgrade of jSch library - it is recommended to upgrade to, at least, SP03
2) also ensure that you have unlimited strength jurisdiction policy files as it is written in the following blog: B2B Adapters - Updating to JCE Unlimited Strength Jurisdiction Policy
Regards
Mark
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Hi Smyth,
I have the same issue in PI 7.11 for SFTP receiver communication channel.
Delivering the message to the application using connection SFTP_http://sap.com/xi/XI/SFTP failed, due to: com.sap.engine.interfaces.messaging.api.exception.MessagingException: javax.resource.ResourceException: com.jcraft.jsch.JSchException: Algorithm negotiation fail.
SFTP adapter have been updated with Latest Patch SP04, but still we are getting the same error.
And we are able to connect to SFTP server through FileZilla.
Any idea how to resolve this issue?
Thanks & Regards
Anil Kumar
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