Re: [jgit-dev] [egit-dev] Bug 520927: moving away from JSch

["Randall S. Becker" <rsbecker@xxxxxxxxxxxxx>]

>From a headless perspective, JGit is used on platforms that do not support
either EGit or the specific sshd implementation being integrated here. In
some cases, OpenSSH is problematic and not available either. JSch is a
crucial component for access as a client from JGit, so removing or changing
the default is highly not desirable.  In addition, it is difficult to change
JGit defaults when being used through Jenkins, which is currently in use.
Please be careful with future plans.

Thanks,
Randall

> -----Original Message-----
> From: egit-dev-bounces@xxxxxxxxxxx <egit-dev-bounces@xxxxxxxxxxx> On
> Behalf Of Gunnar Wagenknecht
> Sent: November 18, 2018 10:15
> To: Thomas Wolf <thomas.wolf@xxxxxxxxxx>
> Cc: EGit developer discussion <egit-dev@xxxxxxxxxxx>; JGit Developers list
> <jgit-dev@xxxxxxxxxxx>
> Subject: Re: [egit-dev] Bug 520927: moving away from JSch
> 
> Thomas,
> 
> What is the plan for making it the new default? Will JSch be dropped
> altogether? Would it make sense to implement some kind of a/b testing,
i.e.
> randomly flip the default for EGit users so that some users get it by
default?
> Or should it become the default in EGit but not JGit?
> 
> -Gunnar
> 
> --
> Gunnar Wagenknecht
> gunnar@xxxxxxxxxxxxxxx, http://guw.io/
> 
> 
> 
> 
> 
> 
> > On Nov 17, 2018, at 22:10, Thomas Wolf <thomas.wolf@xxxxxxxxxx>
> wrote:
> >
> > Hi,
> >
> >> On 3 Nov 2018, at 12:00 , Thomas Wolf <thomas.wolf@xxxxxxxxxx>
> wrote:
> >>
> >> I've pushed to Gerrit a new implementation of the JGit ssh support
> >> using sshd instead of JSch.
> >
> > This is now merged in JGit and in EGit and is available through the EGit
> nightly
> > update site http://download.eclipse.org/egit/updates-nightly as of
versions
> > EGit 5.2.0.201811172010 and JGit 5.2.0.201811171917. Thanks to all
> > reviewers!
> >
> > With JGit, it can be tested using the command-line jgit with the
command-
> line
> > option --ssh apache.
> >
> > In Eclipse with EGit, one can select the ssh client in the main git
preferences
> > page.
> >
> > The default for both JGit and EGit is still JSch.
> >
> > I encourage you to install this EGit nightly in your Eclipse workbench
and
> switch to
> > the new Apache MINA sshd implementation. In case of trouble:
> >
> > * please report any problems at Bugzilla:
> https://bugs.eclipse.org/bugs/enter_bug.cgi?product=EGit
> > * you can always switch back to using JSch via the main git preferences
> page.
> >
> > Feature-wise this should be on par with JSch, including support for HTTP
> and
> > SOCKS5 proxies. There is no support for ssh-agent or Pageant (the PuTTY
> agent)
> > yet.
> >
> > There is experimental support for gssapi-with-mic authentication (and
> GSSAPI
> > authentication for proxies). "Experimental" because that part is
untested;
> we have
> > no Kerberos setup that would have allowed us to test it.
> >
> > Known bugs in sshd 2.0.0 that may affect some users:
> >
> > * SSHD-852: reading hashed host keys from known_hosts.[1]
> > * SSHD-866: keyboard-interactive authentication aborts too early.[2]
> >
> > Cheers,
> >
> >   Thomas
> >
> > [1] https://issues.apache.org/jira/projects/SSHD/issues/SSHD-852
> > [2] https://issues.apache.org/jira/projects/SSHD/issues/SSHD-866
> >
> >
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