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3289383 - Connection between CPI and 3rd party SFTP server is failing with 'key size is not supported' error

Symptom

You are using Cloud Integration to send messages to a target SFTP server. The connectivity test and runtime are both failing with the following error:

org.apache.camel.component.file.GenericFileOperationFailedException: Cannot connect to sap-<SFTP URL>, cause: com.jcraft.jsch.JSchException: Session.connect: java.security.InvalidAlgorithmParameterException: DH key size must be multiple of 64, and can only range from 512 to 8192 (inclusive). The specific key size 2047 is not supported


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Environment

  • SAP Cloud Integration
  • SAP Integration Suite

Keywords

Cloud Integration, CPI, Integration Suite, SFTP, key, key size, 2047, range, InvalidAlgorithmParameterException , KBA , LOD-HCI-PI-CON-SOAP , SOAP Adapter , Problem

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