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d19price's avatar
d19price
Occasional Contributor
2 months ago
Solved

ReadyAPI 3.62.0 - com.jcraft.jsch.JSchAlgoNegoFailException: Algorithm negotiation fail

After upgrading from ReadyAPI 3.58.0 to ReadyAPI 3.62.0 all FTP test steps fail with this error.   Fri Sep 05 10:52:38 CEST 2025: ERROR: Unable to establish an SFTP connection.    com.jcraft.jsch...
Function Tests
  • d19price's avatar
    d19price
    2 months ago

    As a workaround to get FTP test steps working again, I swapped

    C:\Program Files\SmartBear\ReadyAPI-3.62.0\lib\jsch-0.2.23.jar

    to

    jsch-0.1.55.jar

    Upgrade on our side is needed to rsa-sha2-256 / rsa-sha2-512.

     

d19price's avatar
d19price
Occasional Contributor
2 months ago

As a workaround to get FTP test steps working again, I swapped

C:\Program Files\SmartBear\ReadyAPI-3.62.0\lib\jsch-0.2.23.jar

to

jsch-0.1.55.jar

Upgrade on our side is needed to rsa-sha2-256 / rsa-sha2-512.