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https://issues.apache.org/jira/browse/NIFI-5816?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16933936#comment-16933936
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ASF subversion and git services commented on NIFI-5816:
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Commit 13381c225439709bd054f560228ba3158f1c2755 in nifi's branch
refs/heads/master from Joe Witt
[ https://gitbox.apache.org/repos/asf?p=nifi.git;h=13381c2 ]
NIFI-5816 converting test to integration test as it is test environment specific
> SFTP cannot connect due to JSch limitations
> -------------------------------------------
>
> Key: NIFI-5816
> URL: https://issues.apache.org/jira/browse/NIFI-5816
> Project: Apache NiFi
> Issue Type: Improvement
> Components: Extensions
> Affects Versions: 1.8.0
> Reporter: Laurenceau Julien
> Assignee: Bryan Bende
> Priority: Minor
> Fix For: 1.10.0
>
> Time Spent: 1h
> Remaining Estimate: 0h
>
> Hi,
> The JSch library used for SFTP does not support HostKeyAlgorithms=ed25519
> whereas it is the current standard. This make SFTP / SSH unusable when
> dealing with recent openssh config.
> On dbeaver project they switched to sshj.
> [https://github.com/dbeaver/dbeaver/issues/2202]
> [https://community.hortonworks.com/answers/226377/view.html]
>
> https://stackoverflow.com/questions/2003419/com-jcraft-jsch-jschexception-unknownhostkey
> One more argument against JSch is that it does not support rsa key length
> other than default (2048).
> ssh-keygen -o -t rsa -b 4096 -f id_rsa -> does not work with nifi
> ssh-keygen -t rsa -f id_rsa -> works with nifi
> Thanks and regards
> JL
> PS : sorry but I do not know nifi deep enough to fill all fields.
>
>
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