Thanks Amos for clarifying your interpretation. Then i can update
summarize, like

Amos's interpretation

- KnitR is optionally required by KnitRInterpreter.
- R dependency in SparkR has no problem. So KnitR should be the same.
- KnitRInterpreter is able to compile without KnitR dependency.
- All interpreters (includes KnitRInterpreter) in Zeppelin are optional.


Moon's interpretation

- KnitRInterpreter require KnitR library on runtime. And KniteRInterpreter
is not optional feature.
- R dependency in SparkR is exception of GPL. KnitR is not applied that
exception.
- KnitR is dynamically linked from Zeppelin through R.
- All interpreters in Zeppelin are enabled by default.


The reason i summarizing this is, not to make a decision, but to give a
short summary before start a discussion in legal-discuss@.

If i add one link about compiler exception and library linking through
interpreter, see
http://www.gnu.org/licenses/gpl-faq.en.html#IfInterpreterIsGPL.

If summary seems have no big problem, i'm staring discussion on
legal-discuss@ by referencing this thread.

Thanks,
moon

On Wed, Dec 2, 2015 at 6:56 PM Corneau Damien <[email protected]> wrote:

> I think that what moon means is that:
> If we merge the way it is now, the KnitRInterpreter will be part of the
> code base, so it isn't optional at code base level.
>
> To make it even more simple:
> * If the code has the right licensing -> that code can be part of the
> source code, and can be including in a binary release
> * If the code doesn't have the right licensing -> it can't be part of the
> source code, and can't be included in a binary release
> * If the code doesn't have the right licensing but is imported at build
> time (libraries for example) -> it is not in the source code, it can't be
> included in binary release
>
> So in the case of licensing issues, it would need to be fully optional
> (user bring the interpreter in his directory and build Zeppelin with it)
>
>
> On Wed, Dec 2, 2015 at 6:33 PM, Amos B. Elberg <[email protected]>
> wrote:
>
>> Moon let me clarify:
>>
>> Interpreted code doesn’t “link.”  The wiki article actually explains it
>> pretty well — https://en.wikipedia.org/wiki/GPL_linking_exception
>>  “Linking” against a library means compiling its headers into a binary, the
>> way a C compiler works.  The 2008 e-mail Moon distributed, called this the
>> “interpreter exception.”
>>
>> As for whether GPL’d code is a “mandatory dependency,” if knitr is
>> missing the PR will compile, run and test just fine.  The user is never
>> prompted to download it.  The only effect is, if the user types “knitr” and
>> knitr isn’t there, we display an InterpreterError that knitr isn’t there.
>>
>> KnitRInterpreter is not optionally required. so it does not matter KnitR
>> is
>> optionally required or not.
>> Aren’t all interpreters optional?  You can turn them on and off in the
>> config files.
>>
>> Do you mean that the KnitRInterpreter class gets compiled to bytecode
>> even if knitr is missing?  So what?  That isn't a mandatory dependency or a
>> link.
>>
>> From: moon soo Lee <[email protected]>
>> Reply: [email protected] <
>> [email protected]>
>> Date: December 2, 2015 at 3:18:00 AM
>> To: [email protected] <[email protected]>
>> Subject:  Re: License of KnitRInterpreter Was: Re: contributions impasse.
>> Was: [GitHub] incubator-zeppelin pull request: R Interpreter for Zeppelin
>>
>> Let me summarize license concern about KnitRInterpreter.
>>
>>
>> Amos's interpretation.
>>
>> KnitR is optionally required by KnitRInterpreter.
>> R dependency in SparkR has no problem. So KnitR should be the same.
>>
>>
>> Moon's interpretation.
>>
>> KnitRInterpreter is not optionally required. so it does not matter KnitR
>> is
>> optionally required or not.
>> R dependency in SparkR is exception of GPL. KnitR is not applied that
>> exception.
>>
>>
>> Amos, could you confirm my understanding to your interpretation is
>> correct?
>> If it is not could you clarify it?
>>
>> Thanks,
>> moon
>>
>> On Wed, Dec 2, 2015 at 10:34 AM Amos B. Elberg <[email protected]>
>> wrote:
>>
>> > Just to put the final nail in this, I looked it up.
>> >
>> > I see no evidence of any “compiler exception.”
>> >
>> > There is an exception in the license for the runtime libraries that are
>> > bundled with GCC. See:
>> > http://www.gnu.org/licenses/gcc-exception-3.1-faq.html
>> >
>> > But no “compiler exception.”
>> >
>> > In fact, I believe this is part of the reason why LLVM was created.
>> >
>> > From: moon soo Lee <[email protected]>
>> > Reply: moon soo Lee <[email protected]>
>> > Date: December 1, 2015 at 8:16:36 PM
>> > To: Amos B. Elberg <[email protected]>,
>> > [email protected] <[email protected]>
>> > Subject: Re: contributions impasse. Was: [GitHub] incubator-zeppelin
>> pull
>> > request: R Interpreter for Zeppelin
>> >
>> > Is knitR is commonly considered as a interpreter/compiler? or is it
>> > considered as a library routine?
>> >
>> > Thanks,
>> > moon
>> >
>> > On Wed, Dec 2, 2015 at 10:12 AM Amos B. Elberg <[email protected]>
>> > wrote:
>> > Moon - you give this as an explanation of the licensing issue:
>> > https://stat.ethz.ch/pipermail/r-help/2008-July/169332.html
>> >
>> > According to that, there is an exception in the GPL for interpreter
>> > languages. As long as you don’t distribute the code, its fine to talk to
>> > an interpreted language.
>> >
>> > Well, if that’s the case, then the PR plainly does not have a license
>> > issue. It doesn’t distribute any GPL’d R code.
>> >
>> > I’m not sure what’s confusing about this. It seems completely
>> > straightforward.
>> >
>> > Regarding this:
>> >
>> >
>> > --
>> > Amos Elberg
>> > Sent with Airmail
>> >
>> > From: moon soo Lee <[email protected]>
>> > Reply: [email protected] <
>> > [email protected]>
>> > Date: December 1, 2015 at 6:48:47 PM
>> >
>> > To: [email protected] <
>> [email protected]>
>> > Subject: Re: contributions impasse. Was: [GitHub] incubator-zeppelin
>> pull
>> > request: R Interpreter for Zeppelin
>> >
>> > On Wed, Dec 2, 2015 at 1:09 AM Amos B. Elberg <[email protected]>
>> > wrote:
>> >
>> > > I am going to try to minimize my reaction to Moon’s e-mail.
>> > >
>> > > The tl;dr is this:
>> > >
>> > > The reason we are having this discussion now is that active users of
>> the
>> > > PR — which now has its own user base — went public to complain about
>> > this.
>> >
>> >
>> > > The PR has been tested by an active user base for more than three
>> months.
>> > > No-one has been able to identify any specific actual licensing
>> problem,
>> > and
>> > > the PR was prepared based on an extensive, careful review of the
>> relevant
>> > > licensing issues and after contacting the relevant people.
>> > >
>> > >
>> >
>> > I admire every software that used by user and helping people. That
>> includes
>> > your work. But that's not the topic we're in discussion. Active user
>> does
>> > not mean your contribution can ignore the review.
>> >
>> >
>> >
>> > > It is not an explanation for someone who has been ignoring my “how
>> can I
>> > > move this forward…” emails for three months to point the finger and
>> say I
>> > > didn’t contact the right person or file the right report.
>> > >
>> > >
>> > This is also not the topic in this discussion.
>> >
>> >
>> > > The burden for providing an explanation for the inaction is on the
>> PMCC
>> > at
>> > > this point.
>> >
>> > I'm sorry, but the other PRs are passing CI. If it's problem on Zeppelin
>> > > core, why do you think other PRs are passing CI?
>> > > They’re not! I often see comments on PRs to just ignore that CI is
>> > > failing.
>> > >
>> > > One of the most common reasons this PR fails CI, is CI times-out
>> > > downloading Spark to install. How could that possibly be caused by the
>> > PR?
>> > >
>> > > It looks to me like the only PRs with changes to the relevant parts of
>> > the
>> > > code — the SparkInterpreter — are being made by the person who wrote
>> the
>> > > testing suite.
>> > >
>> > > So, that would explain why some other PRs pass CI: Neither the
>> > > SparkInterpreter nor the testing suite are stable or robust, but since
>> > the
>> > > PRs are coming from the person who wrote both…
>> > >
>> > > And let's say Zeppelin core has problem and that makes your PR fails
>> on
>> > CI
>> > > test. That's possible. But it still does not mean we can merge it
>> with CI
>> > > failing.
>> > >
>> > > It means you should be working with me to figure out why the CI is
>> > failing.
>> > >
>> > > This PR has been tested by an active user base for the past three
>> months.
>> > > If CI is continuing to fail, and dozens of hours of effort have not
>> > > resolved the CI issues, then it is time to start considering whether
>> the
>> > > testing suite is part of the problem.
>> > >
>> > > The level of defensiveness about the CI and SparkInterpreter is not
>> > > helping to resolve these issues.
>> > >
>> > > If you think it's problem on Zeppelin core, then file an issue that
>> > > reproduce the problem on Zeppelin core, that might be more efficient
>> than
>> > > keep trying yourself.
>> > > I contacted you numerous times about such issues...
>> > >
>> >
>> >
>> > I remember i commented your issue about CI. but you just keep repeated
>> it's
>> > not your problem but Zeppelin core problem.
>> >
>> > Then please file an issue about the problem you found in Zeppelin Core.
>> > Then everyone will get into the problem.
>> >
>> >
>> >
>> > >
>> > > In my interpretation, KnitRInterpreter is not an optional feature
>> while
>> > it
>> > > is always enabled when compiling Zeppelin and always enabled when
>> running
>> > > Zeppelin. And it requires dynamically linked GPL library on runtime.
>> (yes
>> > > it will fail when no KnitR is installed on the system)
>> > >
>> > > Its not always enabled.
>> > > It is not dynamically linked at runtime.
>> > > It will not fail when knitr is missing. If knitr is not present, the
>> repl
>> > > interpreter starts and a note is written to to the log that the knitr
>> > > interpreter isn’t available because knitr is not present.
>> > >
>> > > no Apache code can ever call a shell script, on the purpose of dynamic
>> > > linking with GPL library.
>> > > You misunderstand.
>> > >
>> > > The *shell* is GPL'd.
>> > >
>> > > Is Zeppelin “linked" against the GPL’d shell because Zeppelin depends
>> on
>> > a
>> > > shell script to launch?
>> > >
>> > Obviously not.
>> > >
>> > > The interaction with R in the PR is the same.
>> > >
>> > >
>> >
>> > Again, bash is one of exceptions of GPL, like other GPL licensed
>> > compiler/interpreter.
>> >
>> > Check here why Bash and R is okay with Apache License.
>> > https://stat.ethz.ch/pipermail/r-help/2008-July/169332.html
>> >
>> > I'm not sure we can apply the same exception for 'using' KnitR.
>> >
>> > My point is not 'KnitR' is optional or not. Point is 'KnitRInterpreter'
>> you
>> > wrote is not an optional feature. Which is clearly not optionally
>> enabled
>> > code and feature. And that depends on KnitR library which is GPL.
>> >
>> >
>> >
>> > > I was guessing SparkR can be still in Apache License even if it is
>> > depends
>> > > on R. Because of GPL licensed compiler generated output is not GPL
>> > license.
>> > > and R is sort of compiler. If you can get answer from Spark community
>> how
>> > > SparkR get managed to stay in Apache License while R is GPL, the
>> answer
>> > > might help.
>> > > The description of SparkR is not accurate in any respect. (Do you
>> think
>> > > SparkR is not talking to GPL-licensed libraries?)
>> > >
>> > > I don’t see that any genuine issue is being raised here.
>> > >
>> > > If there is an issue, the burden is on you to identify it.
>> > >
>> > > If i give you one suggestion, Zeppelin committers sometimes ask rebase
>> > the
>> > > contribution branch for some reason. It is not the really the best
>> > > practice, but still okay while most contributions are not including
>> large
>> > > code base changes
>> > > However, your one, has more than 4000 lines of code change. If you
>> rebase
>> > > then review should be started from the beginning, again. So you might
>> > want
>> > > to minimize the rebase your branch.
>> > >
>> > > Are you actually complaining that the problem is that I rebased the
>> code
>> > > during the three-month period when no-one looked at it and Zeppelin
>> went
>> > > through a release?
>> > >
>> > > I cannot take it seriously when you say things like this.
>> > >
>> > > Having to “start from the beginning” cannot be a problem if you never
>> > > actually started the first time...
>> > >
>> > >
>> >
>> > You wanted coordination and cooperation. So i gave you suggestion that
>> > helping review process. For example, your code has been rebased since my
>> > comment and jongyoul's comment. that means committers will need to look
>> > from the beginning. That'll require more time. And maybe, i guess that's
>> > not what you want. But If you don't care, feel free to rebase.
>> >
>> > Thanks,
>> > moon
>> >
>> >
>> >
>> > >
>> > > From: moon soo Lee <[email protected]>
>> > > Reply: moon soo Lee <[email protected]>
>> > > Date: December 1, 2015 at 4:42:06 AM
>> > > To: Amos B. Elberg <[email protected]>,
>> > > [email protected] <[email protected]>
>> > > Subject: Re: contributions impasse. Was: [GitHub] incubator-zeppelin
>> pull
>> > > request: R Interpreter for Zeppelin
>> > >
>> > > On Tue, Dec 1, 2015 at 4:40 PM Amos B. Elberg <[email protected]>
>> > > wrote:
>> > > Thank you, Cos.
>> > >
>> > > I’d like to briefly address the issues raised by Moon:
>> > >
>> > > 1. This PR does not passes CI
>> > > The CI fails on core Zeppelin, *not* code in this PR.
>> > >
>> > > I’ve been seeking assistance on this since August.
>> > >
>> > > The most common reason is that SparkInterpreter is unable to launch
>> Spark
>> > > and open a Spark Backend. This is necessary to test the PR.
>> > >
>> > > 60+ hours, has been spent adapting and re-basing when the
>> > SparkInterpreter
>> > > architecture changed and broke the PR’s *tests.*
>> > >
>> > >
>> > > I'm sorry, but the other PRs are passing CI. If it's problem on
>> Zeppelin
>> > > core, why do you think other PRs are passing CI?
>> > >
>> > > And let's say Zeppelin core has problem and that makes your PR fails
>> on
>> > CI
>> > > test. That's possible. But it still does not mean we can merge it
>> with CI
>> > > failing.
>> > >
>> > > If you think it's problem on Zeppelin core, then file an issue that
>> > > reproduce the problem on Zeppelin core, that might be more efficient
>> than
>> > > keep trying yourself.
>> > >
>> > >
>> > > 2. Not 100% sure this PR has no license issue. (about KniteR)
>> > > What license problem *specifically* do you believe may exist?
>> > >
>> > > In preparing the PR, I:
>> > >
>> > > * Reviewed the Apache policy in detail.
>> > >
>> > > * Contacted the FSF to ask their interpretation of the “linking”
>> > > provisions of the GPL license.
>> > >
>> > > * Reviewed how other Apache software deals with this issue (e.g.,
>> Spark
>> > > talks to R, which is GPL'd).
>> > >
>> > > * No necessary *dependencies* of the PR have license conflicts. In
>> > > several cases, I contacted package authors who agreed to re-issue
>> their
>> > > packages under Apache-compatible licenses. (Usually I had to do a bit
>> of
>> > > coding in exchange…)
>> > >
>> > > * Where the license had to stay GPL, the packages are *not necessary*
>> and
>> > > *not dependencies.* If the optional packages are present, they will be
>> > > used to enable additional functionality. Knitr is an example. The PR
>> will
>> > > compile and run fine without knitr. If knitr is available (it is part
>> of
>> > > the most common R distribution), the PR will enable the knitr
>> > interpreter.
>> > >
>> > > * This is exactly how this issue is addressed through the Apache
>> > > ecosystem.
>> > > The tl;dr is this: When Apache code is written to talk to libraries
>> that
>> > > may or may not be present on the user’s system, or where it talks to
>> an
>> > API
>> > > but is agnostic about implementation, that is not “linking” in a way
>> that
>> > > implicate the anti-linking provision of the GPL.
>> > >
>> > > Otherwise, no Apache code could ever call a shell script! Let alone
>> run
>> > > on Linux, or talk to R.
>> > >
>> > >
>> > > I'm not a legal expert. So following could be wrong.
>> > >
>> > > In my interpretation, KnitRInterpreter is not an optional feature
>> while
>> > it
>> > > is always enabled when compiling Zeppelin and always enabled when
>> running
>> > > Zeppelin. And it requires dynamically linked GPL library on runtime.
>> (yes
>> > > it will fail when no KnitR is installed on the system)
>> > >
>> > > And of course, no Apache code can ever call a shell script, on the
>> > purpose
>> > > of dynamic linking with GPL library.
>> > >
>> > > I was guessing SparkR can be still in Apache License even if it is
>> > depends
>> > > on R. Because of GPL licensed compiler generated output is not GPL
>> > license.
>> > > and R is sort of compiler.
>> > >
>> > > If you can get answer from Spark community how SparkR get managed to
>> stay
>> > > in Apache License while R is GPL, the answer might help.
>> > >
>> > >
>> > > 3. Need more time to review.
>> > > Has any reviewer has downloaded the PR or run the demo notebook?
>> (Which
>> > > is there for the benefit of reviewers, and isn’t intended to go in
>> final
>> > > distribution.)
>> > >
>> > > How many +1 comments from users would you like to see?
>> > >
>> > > How much time do you believe is required?
>> > >
>> > >
>> > > It all depends on when CI is going to pass, when license problem is
>> going
>> > > to be cleared, and when a committer willing to review and responsible
>> to
>> > > commit your contribution.
>> > >
>> > >
>> > > 1. Large code base change
>> > > Large code base changes require coordination and cooperation. This PR
>> > > necessarily implicates the build scripts, testing code, the
>> > > SparkInterpreter, etc.
>> > >
>> > > I have been seeking to coordinate since August.
>> > >
>> > > I continue to stand ready to do so.
>> > >
>> > > -Amos
>> > >
>> > >
>> > > If i give you one suggestion, Zeppelin committers sometimes ask rebase
>> > the
>> > > contribution branch for some reason. It is not the really the best
>> > > practice, but still okay while most contributions are not including
>> large
>> > > code base changes.
>> > >
>> > > However, your one, has more than 4000 lines of code change. If you
>> rebase
>> > > then review should be started from the beginning, again. So you might
>> > want
>> > > to minimize the rebase your branch.
>> > >
>> > > Thanks,
>> > > moon
>> > >
>> > >
>> > > From: moon soo Lee <[email protected]>
>> > > Reply: [email protected] <
>> > > [email protected]>
>> > > Date: December 1, 2015 at 1:34:19 AM
>> > > To: [email protected] <
>> [email protected]
>> > >
>> > > Subject: Re: contributions impasse. Was: [GitHub] incubator-zeppelin
>> pull
>> > > request: R Interpreter for Zeppelin
>> > >
>> > > Hi Cos,
>> > >
>> > > Thanks for opening a discussion.
>> > > My answer about 'Why this PR is open for three months' is
>> > >
>> > > 1. This PR does not passes CI
>> > > 2. Not 100% sure this PR has no license issue. (about KniteR)
>> > > 3. Need more time to review.
>> > >
>> > > It's my personal answer, other committers may have different opinion.
>> > >
>> > >
>> > > I think the question should be generalized. Because this PR is not the
>> > only
>> > > PR that is in impasse. There're more. For example
>> > >
>> > > Here's some examples that PR is not been merged.
>> > > https://github.com/apache/incubator-zeppelin/pull/53,
>> > > https://github.com/apache/incubator-zeppelin/pull/60
>> > > and so on.
>> > >
>> > > I can categorize the cases, based on experience of involving Zeppelin
>> > > community from the beginning.
>> > >
>> > > 1. Large code base change
>> > >
>> > > When contribution has large code base changes, it tend to take more
>> time
>> > to
>> > > review and merged. Normally, most contributions merged in 1day~1 week.
>> > > But some contribution has large code base changes take 2~4 weeks. Few
>> > > contribution that has very large code base change take months.
>> > >
>> > > 2. Communication lost
>> > >
>> > > Sometimes, committer is not responding, or contributor is not
>> responding.
>> > >
>> > > 3. Opinion diverges
>> > >
>> > > For some changes, included in contribution. When people have different
>> > > opinion and it continue to diverges, those PRs are not been merged.
>> > >
>> > >
>> > > I think having a guide such as ping other committer when a committer
>> is
>> > not
>> > > responding, and divide contribution into small peaces if possible,
>> would
>> > > help most of the cases.
>> > > Of course committer have to pay attention more to the contribution and
>> > > helping people. That's the first one.
>> > >
>> > > Thanks,
>> > > moon
>> > >
>> > > On Tue, Dec 1, 2015 at 1:54 PM Konstantin Boudnik <[email protected]>
>> > wrote:
>> > >
>> > > > To make sure we're on the same page, here are two threads that I
>> found
>> > > > related
>> > > > to this topic.
>> > > >
>> > > > Thread 1:
>> > > > Subject: R?
>> > > > Started on: July 1, 2015
>> > > >
>> > > > Thread 2:
>> > > > Subject: [GitHub] incubator-zeppelin pull request: R Interpreter for
>> > > > Zeppelin
>> > > > Started on: August 13, 2015
>> > > >
>> > > > If you want to fetch these from our archive send emails to
>> > > > [email protected]
>> > > > [email protected]
>> > > >
>> > > > Cos
>> > > >
>> > > > On Mon, Nov 30, 2015 at 06:27PM, Konstantin Boudnik wrote:
>> > > > > Guys,
>> > > > >
>> > > > > While catching up on my emails from the last a couple of weeks,
>> this
>> > > > thread
>> > > > > caught my attention. I am not normally paying much attention to
>> the
>> > > code
>> > > > > reviews traffic from GH, but this one is pretty different as it
>> spans
>> > > > three
>> > > > > months and counting.
>> > > > >
>> > > > > First, here are my five cents:
>> > > > > - r/R/rzeppelin/LICENSE is wrong: if the code is aimed to be
>> > > > contributed to
>> > > > > an ASF project this file should simply contain ASL2 text, like in
>> [1]
>> > > > > - r/pom.xml perhaps shouldn't contain a separate <developers>
>> > section,
>> > > > but
>> > > > > Zeppelin might have different guidelines on it. Say, Bigtop
>> doesn't
>> > > > > maintain this in the source code, but we have the list of all the
>> > > > > committers on the project's site [2] Every new committer's first
>> > > > commit is
>> > > > > to update the team page ;)
>> > > > > - comments like in
>> > > > r/src/main/java/org/apache/zeppelin/rinterpreter/KnitR.java
>> > > > >
>> > > > > +/**
>> > > > > + * Created by aelberg on 7/28/15.
>> > > > > + */
>> > > > >
>> > > > > is better to be removed. It has been already discussed here [3].
>> And
>> > > > the
>> > > > > initial discussion on the topic [4] was linked as well
>> > > > > - same goes to r/R/rzeppelin/DESCRIPTION. I am not sure if this is
>> > > > R-specific
>> > > > > stuff - I have no idea about R, honestly, but
>> > > > >
>> > > > > +License: GPL (>= 2) | BSD_3_clause + file LICENSE
>> > > > > ...
>> > > > > +Author: David B. Dahl
>> > > > >
>> > > > > shouldn't be here, IMO. Normally, if some additional licenses are
>> > > > used,
>> > > > > they have to be listed in the top-level NOTICE file (already
>> there).
>> > > > >
>> > > > > - I am not going to offer any comments on the technical merits of
>> the
>> > > > patch,
>> > > > > as I haven't tried it personally. However, I don't see any serious
>> > > > > technical objections to the functionality in question.
>> > > > >
>> > > > > So, the question is - why the PR is open for three months? I
>> hasn't
>> > > been
>> > > > able
>> > > > > to get a clear answer. What I found out though is pretty
>> unsettling,
>> > > > really.
>> > > > > The communication on the topic is almost non-existent, except for
>> > this
>> > > > sparse
>> > > > > and bitter thread in the GH.
>> > > > >
>> > > > > I would love to hear from the committers what's stopping the
>> > acceptance
>> > > > of the
>> > > > > code, besides of the minor issues I've mentioned earlier? What are
>> > the
>> > > > reasons for it?
>> > > > > Is there anything wrong with it?
>> > > > > One of the responsibilities of the committers is to make sure the
>> > > > > contributions are reviewed; new contributors are guided and do
>> > > > understand how
>> > > > > the project ticks. The easy feedback flow attracts new people,
>> > allowing
>> > > > the
>> > > > > community to grow and thrive.
>> > > > >
>> > > > > I am asking _explicitely_ not to re-start the bickering I have
>> > already
>> > > > > seen. At this point I am interested in the purely technical side
>> of
>> > > this.
>> > > > >
>> > > > > [1] https://github.com/apache/bigtop/blob/master/LICENSE
>> > > > > [2] http://bigtop.apache.org/team-list.html
>> > > > > [3]
>> > > >
>> > >
>> >
>> http://apache-nifi-developer-list.39713.n7.nabble.com/author-tags-td1335.html
>> > > > > [4] http://s.apache.org/iZl
>> > > > >
>> > > > > With regards,
>> > > > > Cos
>> > > > >
>> > > > > On Mon, Nov 16, 2015 at 11:06PM, elbamos wrote:
>> > > > > > Github user elbamos commented on the pull request:
>> > > > > >
>> > > > > >
>> > > >
>> > >
>> >
>> https://github.com/apache/incubator-zeppelin/pull/208#issuecomment-157203411
>> > > > > >
>> > > > > > The current push should resolve some issues with changes in the
>> > > > > > Spark-Zeppelin interface that had created issues for users, as
>> > > > well as
>> > > > > > support for 1.5.1.
>> > > > > >
>> > > > > > Knitr support is improved, and the reason for a separate knitr
>> > > > interpreter may be clearer now.
>> > > > > >
>> > > > > > The amount of code borrowed from rscala is reduced.
>> > > > > >
>> > > > > > I did not address issues with @author tags, or files under the
>> R/
>> > > > > > folder. The reason is, to be blunt, I don't understand what the
>> > > > precise
>> > > > > > concerns actually are.
>> > > > > >
>> > > > > > Please note that I changed .travis.yml to only use spark 1.4 and
>> > > > later.
>> > > > > > I'm sure there is a better way to do it, but I'm just not in a
>> > > > position
>> > > > > > to try to figure out the entire Zeppelin build process.
>> > > > > >
>> > > > > > Integrating this with the rest of zeppelin is going to take some
>> > > > work
>> > > > > > regarding pom's, travis, and so forth. I can do a lot of that,
>> > > > but I'm
>> > > > > > going to need to discuss it with the people who have been
>> "owning"
>> > > > those
>> > > > > > files. There are just too many moving pieces here.
>> > > > > >
>> > > > > > Because of the size of this (which is, unfortunately,
>> necessary),
>> > > > > > posting here is probably not the most efficient way. That is
>> also
>> > > > true
>> > > > > > because certain people chose to use this PR as a forum to air
>> other
>> > > > > > issues. Therefore, it would be better if reviewers e-mail me
>> > > > directly.
>> > > >
>> > > >
>> > > >
>> > >
>> >
>>
>
>

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