The machine hosting trac did change recently.

On 27 October 2016 at 19:17, jhonrubia6 <javier_honru...@hotmail.com> wrote:
> After working on ticket #21052, I committed the changed file and tried to
> git trac push and get the error
>
> git_trac.git_error.GitError: git returned with non-zero exit code (128) when
> executing "git push trac
> HEAD:refs/heads/u/jhonrubia6/add_pictures_to_implicit_plot3d_py"
>
>     STDERR: @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
>
>     STDERR: @    WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED!     @
>
>     STDERR: @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
>
>     STDERR: IT IS POSSIBLE THAT SOMEONE IS DOING SOMETHING NASTY!
>
>     STDERR: Someone could be eavesdropping on you right now
> (man-in-the-middle attack)!
>
>     STDERR: It is also possible that a host key has just been changed.
>
>     STDERR: The fingerprint for the ECDSA key sent by the remote host is
>
>     STDERR: SHA256:4Op/q3b5792x+F1lHSKRi5UIORAPDlIFVA5cUq9YVXI.
>
>     STDERR: Please contact your system administrator.
>
>     STDERR: Add correct host key in /Users/J_Honrubia/.ssh/known_hosts to
> get rid of this message.
>
>     STDERR: Offending ECDSA key in /Users/J_Honrubia/.ssh/known_hosts:4
>
>     STDERR: ECDSA host key for trac.sagemath.org has changed and you have
> requested strict checking.
>
>     STDERR: Host key verification failed.
>
>     STDERR: fatal: Could not read from remote repository.
>
>     STDERR:
>
>     STDERR: Please make sure you have the correct access rights
>
>     STDERR: and the repository exists.
>
>
> git trac config works fine without errors.
>
> but
>
> OnoSendaiII:sage J_Honrubia$ ssh g...@trac.sagemath.org info
>
> @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
>
> @    WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED!     @
>
> @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
>
> IT IS POSSIBLE THAT SOMEONE IS DOING SOMETHING NASTY!
>
> Someone could be eavesdropping on you right now (man-in-the-middle attack)!
>
> It is also possible that a host key has just been changed.
>
> The fingerprint for the ECDSA key sent by the remote host is
>
> SHA256:4Op/q3b5792x+F1lHSKRi5UIORAPDlIFVA5cUq9YVXI.
>
> Please contact your system administrator.
>
> Add correct host key in /Users/J_Honrubia/.ssh/known_hosts to get rid of
> this message.
>
> Offending ECDSA key in /Users/J_Honrubia/.ssh/known_hosts:4
>
> ECDSA host key for trac.sagemath.org has changed and you have requested
> strict checking.
>
> Host key verification failed.
>
>
> Any clue?
>
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