Unable to establish an SFTP connection due to KeyExchangeException (key Exchange Algorithm Issue)

(Doc ID 1993899.1)

Last updated on NOVEMBER 03, 2016

Applies to:

Oracle Service Bus - Version and later
Information in this document applies to any platform.


OSB FTP transport needs to be used to send files to an external FTP server.

An SFTP Business Service in OSB has been created for this purpose and when testing it with one of the internal SFTP servers this is working.

After switching the endpoint configuration to connect to the external party, the error below occurs:

#### <> com.bea.wli.sb.transports.TransportException: com.sshtools.j2ssh.transport.kex.KeyExchangeException: No suitable key exchange algorithm could be agreed.


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