A new version of jsch 0.1.55 [1] was released on Maven central hence I once
more
tried to contact Atsuhiko and finally he responded. Find his response below.

This means we have the following situation regarding jsch:

   - there are public releases published on Maven central including source
   archives which do not contain tests
   - Jcraft keeps the source code repository private and there is no public
   source code repository
   - Jcraft accepts bug reports on the jsch-users mailing list
   - Jcraft does not accept source code contributions due to license
   violation concerns

Meanwhile Thomas Wolf created an alternative implementation for JGit and
EGit based on
mina-sshd [3] (kudos to Thomas). With our next release 5.2 which will be
shipped with 2018-12
EGit and JGit will come with both a jsch and a mina-sshd based
implementation and users can choose
the implementation they want to use. For 5.2 jsch will still be the default
until the mina-sshd based solution
has proven to be stable.

I think it's not a good situation to depend on a library which is
maintained by a single person/company
but not accepting contributions with sources excluding tests and no public
history of the source code.
As we experienced in the last 2 years this can mean having no maintenance
for an extended period.

Maybe we could convince Atsuhiko that Eclipse Foundation is a good IP
gatekeeper which can mitigate
his license violation concerns and propose to consider moving the project
to the Eclipse Foundation.

[references] are given in forwarded email below.

-Matthias

---------- Forwarded message ---------
From: Atsuhiko Yamanaka <[email protected]>
Date: Thu, Nov 29, 2018 at 3:13 PM
Subject: Re: jsch maintenance and source code repository
To: <[email protected]>
Cc: <[email protected]>


Hi,

Sorry for our delay.

On Thu, Nov 29, 2018 at 9:09 AM Matthias Sohn <[email protected]>
wrote:
> I noticed that a new version of jsch 0.1.55 [1] was deployed on Maven
central, looks like you are back ?

We have been developing it for almost 16 years, and will continue it.
We started that software to add the X forwarding functionality to our
pure Java X server
for our customers, so we have strong motivations to continue it.

> Could you let us know
> - if you intend to continue maintaining jsch
> - where we can find the source code repository
> - if and how you accept contributions for jsch

So, yes, we will continue maintaining jsch.
At present time, there is not a public repository,
and we will accept bug reports at jsch-users mailing list.
We hesitate to accept source code due to the license violation concerns.


Sincerely,
--
Atsuhiko Yamanaka
JCraft,Inc.
<-- address data redacted -->

---------- Forwarded message ---------
From: Matthias Sohn <[email protected]>
Date: Thu, Nov 29, 2018 at 1:09 AM
Subject: jsch maintenance and source code repository
To: <[email protected]>
Cc: Thomas Wolf <[email protected]>


Hi Atsuhiko,

I noticed that a new version of jsch 0.1.55 [1] was deployed on Maven
central, looks like you are back ?

We missed you at Eclipse [2] and came to the impression that jsch is no
longer maintained.
I tried several times in the last 2 years to reach you or your company to
clarify if jsch is still
maintained since it's not a good situation to depend on a security relevant
library which is
no longer maintained.

During the last 2 years we implemented a number of workarounds in JGit to
workaround
bugs in jsch.

Since we didn't get any response for all emails sent to you and your company
and there was no activity in the jsch sourceforge project we discussed if
we should fork jsch
in order to continue maintenance. But then we couldn't find a source code
repository for jsch
with the jsch source code history and we also couldn't find unit tests.
Hence Thomas created
an alternative implementation for JGit using Apache mina-sshd [2]. The next
version JGit 5.2
to be released before Christmas will come with both the jsch and the new
mina-sshd based
implementation.

Could you let us know
- if you intend to continue maintaining jsch
- where we can find the source code repository
- if and how you accept contributions for jsch

[1] https://search.maven.org/artifact/com.jcraft/jsch/0.1.55/jar
http://www.jcraft.com/jsch/
http://www.jcraft.com/jsch/ChangeLog
[2] https://www.eclipse.org/lists/cross-project-issues-dev/msg16175.html
[3] https://www.eclipse.org/lists/egit-dev/msg04556.html

-Matthias

On Fri, Nov 2, 2018 at 4:29 PM Mat Booth <[email protected]> wrote:

> I filed a bug against Equinox too. It could also be updated to consume the
> latest version of org.apache.sshd:
> https://bugs.eclipse.org/bugs/show_bug.cgi?id=540728
>
> On Fri, 2 Nov 2018 at 14:47, Greg Watson <[email protected]> wrote:
>
>> I've opened a bug against Platform/Team (since this seems to be where
>> jsch resides) [1]. It seems like EGit's Apache Mina work might be a good
>> starting point.
>>
>> Regards,
>> Greg
>>
>> [1] https://bugs.eclipse.org/bugs/show_bug.cgi?id=540727
>>
>> On Nov 2, 2018, at 8:16 AM, Matthias Sohn <[email protected]>
>> wrote:
>>
>> Also see this earlier discussion [1] on this list.
>>
>> The biggest problem with jsch is that there seems to be no known public
>> source code repository containing
>> the project's real source code history including tests.
>>
>>    - There are a couple of public jsch repositories [2] but they all
>>    seem to contain just snapshots of
>>    source archives downloaded from Maven central. None of these
>>    repositories contain any jsch tests.
>>    - There are the source archives available on Maven Central [3]
>>    - and zip archives uploaded on sourceforge [4].
>>
>> [1] https://www.eclipse.org/lists/cross-project-issues-dev/msg14979.html
>> [2] https://github.com/is/jsch
>> https://github.com/vngx/vngx-jsch
>> https://github.com/rtyley/jsch
>> https://github.com/ePaul/jsch-documentation
>> https://github.com/feiqitian/JSch
>> https://github.com/octo47/jsch
>> https://gitlab.com/farmboy0/jsch
>> [3]
>> https://search.maven.org/search?q=g:com.jcraft%20AND%20a:jsch&core=gav
>> [4] https://sourceforge.net/projects/jsch/files/jsch/
>>
>> On Fri, Nov 2, 2018 at 12:22 PM Matthias Sohn <[email protected]>
>> wrote:
>>
>>> I tried several times to reach the jsch maintainer and his company but
>>> never got a response.
>>> We implemented a couple of workarounds around jsch bugs in JGit and are
>>> tired to do so.
>>>
>>> Hence Thomas Wolf started an alternative implementation for JGit and
>>> EGit based on Apache Mina sshd.
>>> See https://bugs.eclipse.org/bugs/show_bug.cgi?id=520927
>>>
>>> -Matthias
>>>
>>> On Fri, Nov 2, 2018 at 12:05 PM Gunnar Wagenknecht <
>>> [email protected]> wrote:
>>>
>>>> It looks like. We use it in the IDE and in EGit.
>>>>
>>>> See here:
>>>> https://bugs.eclipse.org/bugs/show_bug.cgi?id=540652
>>>>
>>>> -Gunnar
>>>>
>>>> --
>>>> Gunnar Wagenknecht
>>>> [email protected], http://guw.io/
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>> On Nov 2, 2018, at 02:19, Greg Watson <[email protected]> wrote:
>>>>
>>>> This question has been asked before, but I think it's time to ask it
>>>> again. The last version of jsch was 0.1.54 in Sep 2016 and there doesn't
>>>> seem to have been any development since then. Given the number of projects
>>>> that depend on a decent ssh implementation, and the numerous bugs that
>>>> still exist in jsch, what are the plans for maintaining and/or replacing 
>>>> it?
>>>>
>>>> Thanks,
>>>> Greg
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