Looks like my meeting ran over top of it; any outcomes? On Fri, May 8, 2020 at 06:57 Andrew Musselman <andrew.mussel...@gmail.com> wrote:
> I'll be there at quarter after > > On Fri, May 8, 2020 at 06:51 Trevor Grant <trevor.d.gr...@gmail.com> > wrote: > >> Who can be there for this today? >> >> On Fri, Apr 24, 2020 at 8:31 AM Andrew Musselman < >> andrew.mussel...@gmail.com> >> wrote: >> >> > Alright, great; here's the link to join: >> > >> > >> https://hangouts.google.com/hangouts/_/calendar/YW5kcmV3Lm11c3NlbG1hbkBnbWFpbC5jb20.4tg9vg3t51gjlco0ebl5siim1s >> > >> > On Fri, Apr 24, 2020 at 02:19 Christofer Dutz < >> christofer.d...@c-ware.de> >> > wrote: >> > >> > > Hi all, >> > > >> > > just found the email with the time for the call today ... that's >> 19:00 / >> > > 7pm here ... perfect. >> > > Would just need some information on how to join. >> > > >> > > Chris >> > > >> > > >> > > Am 20.04.20, 17:31 schrieb "Andrew Musselman" < >> > andrew.mussel...@gmail.com >> > > >: >> > > >> > > Thanks Chris, will take a look at your PR. >> > > >> > > I think we would be fine upgrading anything that is still making >> > > improvements, probably makes sense to discuss Friday on our call >> if >> > > you can >> > > make it. >> > > >> > > Best >> > > Andrew >> > > >> > > On Mon, Apr 20, 2020 at 1:53 AM Christofer Dutz < >> > > christofer.d...@c-ware.de> >> > > wrote: >> > > >> > > > Hi Folks, >> > > > >> > > > so I've now tested the build with java 1.8, 9, 10 and they work >> ... >> > > > 11 I'm getting errors about unsupported java major versions >> again >> > ... >> > > > guess there's some old library version in there somewhere. >> > > > >> > > > But at least I managed to get you out of this 1.7 trap. >> > > > >> > > > Chris >> > > > >> > > > >> > > > Am 20.04.20, 09:46 schrieb "Christofer Dutz" < >> > > christofer.d...@c-ware.de>: >> > > > >> > > > Hi folks, >> > > > >> > > > so I was now able to build (including all tests) with Java 8 >> > and >> > > 9 ... >> > > > currently trying 10 ... >> > > > >> > > > Are there any objection that some maven dependencies get >> > updated >> > > to >> > > > more recent versions? I mean ... the hbase-client you're using >> is >> > > more than >> > > > 5 years old ... >> > > > >> > > > Chris >> > > > >> > > > >> > > > Am 20.04.20, 00:29 schrieb "Andrew Musselman" < >> > > > andrew.mussel...@gmail.com>: >> > > > >> > > > No problem; would 10:00 a.m. Pacific next Friday the >> 24th >> > > work for >> > > > you time >> > > > zone-wise? >> > > > >> > > > On Sun, Apr 19, 2020 at 12:15 PM Christofer Dutz < >> > > > christofer.d...@c-ware.de> >> > > > wrote: >> > > > >> > > > > Sorry ... >> > > > > >> > > > > didn't see your response ... into Mahout too deep ;-) >> > > > > Guess we have to postpone this to sometime over the >> week. >> > > > > >> > > > > Chris >> > > > > >> > > > > >> > > > > Am 19.04.20, 19:56 schrieb "Andrew Musselman" < >> > > > andrew.mussel...@gmail.com >> > > > > >: >> > > > > >> > > > > *what time >> > > > > >> > > > > On Sun, Apr 19, 2020 at 10:51 Andrew Musselman < >> > > > > andrew.mussel...@gmail.com> >> > > > > wrote: >> > > > > >> > > > > > I think it's safe to move to 1.8; yeah what >> tune is >> > > good >> > > > for you? >> > > > > I'm in >> > > > > > Pacific time zone and am flexible this >> afternoon. >> > > > > > >> > > > > > Trevor you free? >> > > > > > >> > > > > > On Sun, Apr 19, 2020 at 09:37 Christofer Dutz < >> > > > > christofer.d...@c-ware.de> >> > > > > > wrote: >> > > > > > >> > > > > >> Yikes! ... well guess then I can't help you >> folks >> > > as it's >> > > > almost >> > > > > >> impossible to get my hands on a 1.7 version. >> > > > > >> >> > > > > >> What's preventing you from going to 1.8+? >> > > > > >> >> > > > > >> Any your build says 1.8 and above: >> > > > > >> <requireJavaVersion> >> > > > > >> <version>[1.8,)</version> >> > > > > >> </requireJavaVersion> >> > > > > >> >> > > > > >> Regarding the artifacts ... would it be ok to >> have >> > > the >> > > > maven >> > > > > artifacts >> > > > > >> using classifiers and perhaps the files in the >> > libs >> > > and >> > > > > distribution to >> > > > > >> follow the typical scala sheme? >> > > > > >> >> > > > > >> Chris >> > > > > >> >> > > > > >> Am 19.04.20, 17:56 schrieb "Trevor Grant" < >> > > > trevor.d.gr...@gmail.com >> > > > > >: >> > > > > >> >> > > > > >> Yea, we have a requirement on 1.7. we need >> to >> > > get it >> > > > up to 8, >> > > > > but >> > > > > >> considered that a different issue. >> > > > > >> >> > > > > >> Maven throws warning, sbt breaks down >> entirely >> > > (when >> > > > importing)- >> > > > > >> hence why >> > > > > >> we were using a script to replace 2.11 w >> 2.12 >> > > > > >> >> > > > > >> On Sun, Apr 19, 2020, 10:33 AM Christofer >> > Dutz < >> > > > > >> christofer.d...@c-ware.de> >> > > > > >> wrote: >> > > > > >> >> > > > > >> > Well I have been compiling with various >> jdks >> > > from 8 >> > > > to 14. >> > > > > However I >> > > > > >> > noticed that if I select a jdk and start >> the >> > > build >> > > > that the >> > > > > Scala >> > > > > >> parts >> > > > > >> > Seefahrt to the version in my systems >> path. >> > > Which >> > > > then >> > > > > results in >> > > > > >> all sorts >> > > > > >> > of major version problems. >> > > > > >> > >> > > > > >> > For the Scalatest plugin I managed to >> have >> > it >> > > use >> > > > the maven >> > > > > >> java.home... >> > > > > >> > The Scala compiler is being a little >> > trickyer. >> > > > > >> > >> > > > > >> > Will continue this evening. Keep your >> > fingers >> > > > crossed. >> > > > > >> > >> > > > > >> > Also does maven totally not like >> variables >> > in >> > > > artifactids. >> > > > > >> > >> > > > > >> > Chris >> > > > > >> > ________________________________ >> > > > > >> > Von: Trevor Grant < >> trevor.d.gr...@gmail.com >> > > >> > > > > >> > Gesendet: Sonntag, 19. April 2020 15:41 >> > > > > >> > An: Mahout Dev List < >> dev@mahout.apache.org> >> > > > > >> > Betreff: Re: Hi ... need some help? >> > > > > >> > >> > > > > >> > Hey Chris, >> > > > > >> > >> > > > > >> > First of all- thank you so much for your >> > work >> > > so >> > > > far. >> > > > > >> > >> > > > > >> > The build 100% currently works, the only >> > > issue is >> > > > with >> > > > > releasing >> > > > > >> binaries. >> > > > > >> > Are you compiling w 1.7? Not really sure >> why >> > > > artifact IDs are >> > > > > >> changing? >> > > > > >> > That's very strange. >> > > > > >> > >> > > > > >> > To answer your question regarding the >> > > community >> > > > block- no, it >> > > > > is >> > > > > >> not as if >> > > > > >> > there is a company that pays us to work >> on >> > > Mahout >> > > > and the >> > > > > rest is >> > > > > >> > community. What it means is that while we >> > > > appreciate those >> > > > > code >> > > > > >> > contributions, no one still actively >> > involved >> > > is >> > > > maintaining >> > > > > them >> > > > > >> and we >> > > > > >> > advise people to use at their own risk. >> The >> > > > refactor to a >> > > > > >> `community` >> > > > > >> > folder was meant to reflect the reality >> of >> > the >> > > > situation. >> > > > > >> > >> > > > > >> > The only test issues I was aware of were >> > with >> > > > Javadocs when >> > > > > trying >> > > > > >> to do a >> > > > > >> > release with Java 1.8+ those would fail >> due >> > to >> > > > formatting. >> > > > > >> > >> > > > > >> > I feel like you're hitting some unique >> > > issues, and >> > > > maybe we >> > > > > could >> > > > > >> help you >> > > > > >> > out / there may exist simple solutions. >> > > > > >> > >> > > > > >> > Thank you again for your help! >> > > > > >> > >> > > > > >> > tg >> > > > > >> > >> > > > > >> > >> > > > > >> > >> > > > > >> > >> > > > > >> > On Sun, Apr 19, 2020 at 2:17 AM >> Christofer >> > > Dutz < >> > > > > >> christofer.d...@c-ware.de >> > > > > >> > > >> > > > > >> > wrote: >> > > > > >> > >> > > > > >> > > Hi folks, >> > > > > >> > > >> > > > > >> > > So yesterday I invested several hours >> in >> > > cleaning >> > > > up your >> > > > > build. >> > > > > >> I got >> > > > > >> > > quite far, currently trying to get the >> > > tests to >> > > > pass. For >> > > > > some >> > > > > >> > > Scala-Java-major-version problems, but >> > > working on >> > > > fixing >> > > > > them. >> > > > > >> > > >> > > > > >> > > However sind things will be different. >> I >> > > hope >> > > > that's OK. >> > > > > >> Especially with >> > > > > >> > > the artifact ids. >> > > > > >> > > >> > > > > >> > > Just as a question: does the build >> > > currently work >> > > > at all? >> > > > > >> Especially in >> > > > > >> > > the community block I had to fix quite >> a >> > > few API >> > > > changes >> > > > > where >> > > > > >> the code >> > > > > >> > in >> > > > > >> > > the blocks were for older versions of >> > > libraries. >> > > > > >> > > >> > > > > >> > > I hope I get some more tests to pass >> > today. >> > > > > >> > > >> > > > > >> > > Chris >> > > > > >> > > ________________________________ >> > > > > >> > > Von: Andrew Musselman <a...@apache.org> >> > > > > >> > > Gesendet: Donnerstag, 16. April 2020 >> 20:35 >> > > > > >> > > An: Mahout Dev List < >> > dev@mahout.apache.org> >> > > > > >> > > Betreff: Re: Hi ... need some help? >> > > > > >> > > >> > > > > >> > > Looking forward to working on this with >> > you; >> > > > thanks again! >> > > > > >> > > >> > > > > >> > > On Thu, Apr 16, 2020 at 11:09 AM >> > Christofer >> > > Dutz < >> > > > > >> > > christofer.d...@c-ware.de> >> > > > > >> > > wrote: >> > > > > >> > > >> > > > > >> > > > Hi Andrew, >> > > > > >> > > > >> > > > > >> > > > guess I'll start with the fork and >> > > contact you >> > > > folks on >> > > > > slack. >> > > > > >> > > > >> > > > > >> > > > Chris >> > > > > >> > > > >> > > > > >> > > > >> > > > > >> > > > >> > > > > >> > > > Am 16.04.20, 19:43 schrieb "Andrew >> > > Musselman" < >> > > > > a...@apache.org>: >> > > > > >> > > > >> > > > > >> > > > Chris, thank you for your help.. >> > > > > >> > > > >> > > > > >> > > > Yeah if you fork what's in master >> > you >> > > can >> > > > see what >> > > > > state >> > > > > >> it's in; >> > > > > >> > we >> > > > > >> > > > are in >> > > > > >> > > > the #mahout channel in tge-asf >> slack >> > > and >> > > > this is also >> > > > > a >> > > > > >> fine way to >> > > > > >> > > > keep >> > > > > >> > > > track of discussion. >> > > > > >> > > > >> > > > > >> > > > We could file a JIRA ticket as >> well, >> > > > however you >> > > > > prefer to >> > > > > >> work. >> > > > > >> > > > >> > > > > >> > > > Best >> > > > > >> > > > Andrew >> > > > > >> > > > >> > > > > >> > > > On Thu, Apr 16, 2020 at 06:59 >> > > Christofer >> > > > Dutz < >> > > > > >> > > > christofer.d...@c-ware.de> >> > > > > >> > > > wrote: >> > > > > >> > > > >> > > > > >> > > > > Hi Trevor, >> > > > > >> > > > > >> > > > > >> > > > > ok ... first of all ... the >> Mahout >> > > PMC is >> > > > defining a >> > > > > >> "community >> > > > > >> > > > > maintained" library which is >> not >> > > > maintained by the >> > > > > mahout >> > > > > >> PMC?!?! >> > > > > >> > > > > I thought at Apache everything >> is >> > > about >> > > > Community >> > > > > over >> > > > > >> code. So >> > > > > >> > is >> > > > > >> > > a >> > > > > >> > > > > company driving the >> non-community >> > > stuff? >> > > > > >> > > > > >> > > > > >> > > > > But back to your build issues: >> > > > > >> > > > > I had a look and I too >> encountered >> > > these >> > > > comments >> > > > > and >> > > > > >> remarks and >> > > > > >> > > > > sometimes patterns I recognized >> > and >> > > could >> > > > imagine >> > > > > why >> > > > > >> they were >> > > > > >> > > > created. >> > > > > >> > > > > Yes quite a bit of the build >> could >> > > be >> > > > cleaned up and >> > > > > >> simplified a >> > > > > >> > > > lot. >> > > > > >> > > > > >> > > > > >> > > > > So how about I create a fork >> and >> > > try to >> > > > do a >> > > > > cleanup of >> > > > > >> the >> > > > > >> > build. >> > > > > >> > > > > Usually I also leave comments >> > about >> > > what >> > > > I do as I >> > > > > hope >> > > > > >> I'll not >> > > > > >> > be >> > > > > >> > > > the >> > > > > >> > > > > only one maintaining a build >> and >> > > > documenting things >> > > > > helps >> > > > > >> people >> > > > > >> > > > feel more >> > > > > >> > > > > confident. >> > > > > >> > > > > >> > > > > >> > > > > However in some cases I will >> have >> > > > questions ... so >> > > > > would >> > > > > >> someone >> > > > > >> > be >> > > > > >> > > > > available on Slack for quick >> > > questions? >> > > > > >> > > > > >> > > > > >> > > > > Usually switching to another >> build >> > > system >> > > > does >> > > > > solve some >> > > > > >> > problems >> > > > > >> > > > ... >> > > > > >> > > > > mostly the reason to switch is >> > that >> > > it >> > > > solved the >> > > > > main >> > > > > >> problem >> > > > > >> > that >> > > > > >> > > > you are >> > > > > >> > > > > having with the old. >> > > > > >> > > > > However you usually notice too >> > late >> > > that >> > > > you get >> > > > > yourself >> > > > > >> a lot >> > > > > >> > of >> > > > > >> > > > new >> > > > > >> > > > > problems. I remember doing some >> > > contract >> > > > work for an >> > > > > >> insurance >> > > > > >> > > > company and >> > > > > >> > > > > they were totally down >> Maven-road >> > > but >> > > > then had to >> > > > > build >> > > > > >> something >> > > > > >> > > > with SBT >> > > > > >> > > > > ... in the end I compiled the >> > thing >> > > on my >> > > > laptop, >> > > > > copied >> > > > > >> it to a >> > > > > >> > > USB >> > > > > >> > > > stick >> > > > > >> > > > > and told the people what was on >> > the >> > > stick >> > > > and that >> > > > > I'll be >> > > > > >> > having a >> > > > > >> > > > coffee >> > > > > >> > > > > and will be back in 30 minutes. >> > > When I >> > > > came back >> > > > > the sick >> > > > > >> wasn't >> > > > > >> > at >> > > > > >> > > > the >> > > > > >> > > > > same place and the build >> problem >> > was >> > > > "solved" ;-) >> > > > > >> > > > > >> > > > > >> > > > > So I think it's quite good to >> > stick >> > > to >> > > > maven ... >> > > > > that is >> > > > > >> very >> > > > > >> > > > mature, you >> > > > > >> > > > > can do almost everything you >> want >> > > with it >> > > > and it >> > > > > >> integrates >> > > > > >> > > > perfectly into >> > > > > >> > > > > the Apache infrastructure. >> > > > > >> > > > > >> > > > > >> > > > > But that's just my opinion. >> > > > > >> > > > > >> > > > > >> > > > > So if you want me to help, >> I'll be >> > > happy >> > > > to be of >> > > > > >> assistance. >> > > > > >> > > > > >> > > > > >> > > > > >> > > > > >> > > > > Chris >> > > > > >> > > > > >> > > > > >> > > > > >> > > > > >> > > > > >> > > > > >> > > > > Am 16.04.20, 15:28 schrieb >> "Trevor >> > > Grant" >> > > > < >> > > > > >> > > trevor.d.gr...@gmail.com >> > > > > >> > > > >: >> > > > > >> > > > > >> > > > > >> > > > > Hey Christopher, >> > > > > >> > > > > >> > > > > >> > > > > I would agree with what >> Stevo >> > > > outlined but add >> > > > > some >> > > > > >> more >> > > > > >> > > context >> > > > > >> > > > and a >> > > > > >> > > > > couple related JIRA issues. >> > > > > >> > > > > >> > > > > >> > > > > For 0.14.0 We did a big >> > > refactor and >> > > > finally >> > > > > moved the >> > > > > >> > > MapReduce >> > > > > >> > > > based >> > > > > >> > > > > Mahout all into what we >> called >> > > > "community/" >> > > > > that is >> > > > > >> community >> > > > > >> > > > > maintained, >> > > > > >> > > > > which is to say, we're not >> > > > maintaining it >> > > > > anymore >> > > > > >> (sunset >> > > > > >> > > began I >> > > > > >> > > > > think in >> > > > > >> > > > > 2015). >> > > > > >> > > > > >> > > > > >> > > > > But all of our POMs were so >> > > huge and >> > > > fat because >> > > > > >> they'd been >> > > > > >> > > > layered up >> > > > > >> > > > > over the years by people >> > coming >> > > and >> > > > going and >> > > > > >> dropping in >> > > > > >> > > code. I >> > > > > >> > > > > wouldn't >> > > > > >> > > > > call these drive- bys, its >> > just >> > > been >> > > > over 10 >> > > > > years >> > > > > >> and people >> > > > > >> > > > come and >> > > > > >> > > > > go. >> > > > > >> > > > > Such is the life of Apache >> > > Projects. >> > > > So we had a >> > > > > >> situation >> > > > > >> > > where >> > > > > >> > > > a lot >> > > > > >> > > > > of >> > > > > >> > > > > the old Map Reduce stuff >> and >> > > the POMs >> > > > were >> > > > > considered >> > > > > >> > > > "old-magic" no >> > > > > >> > > > > one >> > > > > >> > > > > really knew how it was all >> > tied >> > > > together, but we >> > > > > >> didn't want >> > > > > >> > to >> > > > > >> > > > mess >> > > > > >> > > > > with >> > > > > >> > > > > it for fear of breaking >> > > something in >> > > > the "new" >> > > > > Mahout >> > > > > >> (aka >> > > > > >> > > > Samsar) >> > > > > >> > > > > which is >> > > > > >> > > > > the Scala/Spark based >> library >> > > that it >> > > > is now* >> > > > > (to >> > > > > >> others in >> > > > > >> > the >> > > > > >> > > > > community: >> > > > > >> > > > > I know it runs on other >> > > engines, but >> > > > for >> > > > > simplicity, >> > > > > >> I'm just >> > > > > >> > > > calling >> > > > > >> > > > > it >> > > > > >> > > > > "runs-on-spark"). >> > > > > >> > > > > >> > > > > >> > > > > For 0.14.0 We decided to >> trim >> > > out as >> > > > much of >> > > > > that >> > > > > >> which was >> > > > > >> > > > possible. >> > > > > >> > > > > We >> > > > > >> > > > > did some major liposuction >> on >> > > POMs, >> > > > re organized >> > > > > >> things, etc. >> > > > > >> > > > This was >> > > > > >> > > > > done >> > > > > >> > > > > by commenting out a >> section, >> > > then >> > > > seeing if it >> > > > > would >> > > > > >> still >> > > > > >> > > > build. So >> > > > > >> > > > > the >> > > > > >> > > > > current release >> > > > > >> > > > > _does_ build. And aside for >> > > some CLI >> > > > driver >> > > > > issues >> > > > > >> which are >> > > > > >> > > > outlined >> > > > > >> > > > > in >> > > > > >> > > > > [1], the project runs >> fairly >> > > smooth. >> > > > (An SBT >> > > > > would >> > > > > >> probably >> > > > > >> > > > solve [1], >> > > > > >> > > > > I >> > > > > >> > > > > believe Pat Ferrel has made >> > his >> > > own >> > > > SBT script >> > > > > to >> > > > > >> compile >> > > > > >> > > > Mahout, which >> > > > > >> > > > > solved that problem for >> them). >> > > > > >> > > > > >> > > > > >> > > > > The issue we ran into with >> the >> > > > releases (and the >> > > > > >> reason I >> > > > > >> > think >> > > > > >> > > > you're >> > > > > >> > > > > here), is that we also >> > somewhere >> > > > along the line >> > > > > >> commented out >> > > > > >> > > > something >> > > > > >> > > > > that was important to the >> > > release >> > > > process. >> > > > > Hence why >> > > > > >> 0.14.0 >> > > > > >> > > > released >> > > > > >> > > > > source >> > > > > >> > > > > only. >> > > > > >> > > > > >> > > > > >> > > > > Since 2008, there has been >> a >> > > lot of >> > > > great work >> > > > > on >> > > > > >> generating >> > > > > >> > > > plugins >> > > > > >> > > > > for >> > > > > >> > > > > doing Apache releases. >> Instead >> > > of the >> > > > awkward >> > > > > hacks >> > > > > >> that made >> > > > > >> > > up >> > > > > >> > > > the >> > > > > >> > > > > old >> > > > > >> > > > > poms (literally comments >> that >> > > said, >> > > > "this is a >> > > > > hack, >> > > > > >> there's >> > > > > >> > > > supposedly >> > > > > >> > > > > something better coming >> from >> > > ..." >> > > > dated like >> > > > > 2012), >> > > > > >> we would >> > > > > >> > > > like to >> > > > > >> > > > > do it >> > > > > >> > > > > the "right way" and >> > incorporate >> > > the >> > > > appropriate >> > > > > >> plugins. >> > > > > >> > > > > >> > > > > >> > > > > Refactoring to SBT was >> _one_ >> > > proposed >> > > > solution. >> > > > > We're >> > > > > >> also OK >> > > > > >> > > > > continuing to >> > > > > >> > > > > use Maven, and I agree with >> > > what you >> > > > said about >> > > > > the >> > > > > >> cross >> > > > > >> > > > compiling. We >> > > > > >> > > > > actually have a script that >> > just >> > > > changes the >> > > > > scala >> > > > > >> version. >> > > > > >> > We >> > > > > >> > > > tried >> > > > > >> > > > > using >> > > > > >> > > > > the classifiers but there >> were >> > > issues >> > > > in SBT, >> > > > > but the >> > > > > >> way >> > > > > >> > > you're >> > > > > >> > > > > proposing >> > > > > >> > > > > sounds a lot more pro than >> the >> > > route >> > > > we were >> > > > > trying >> > > > > >> for. >> > > > > >> > > > > >> > > > > >> > > > > That said- we'd be OK just >> > > releasing >> > > > one >> > > > > scala/spark >> > > > > >> version >> > > > > >> > at >> > > > > >> > > > a time. >> > > > > >> > > > > But getting the convenience >> > > binaries >> > > > to >> > > > > >> release/publish would >> > > > > >> > > be >> > > > > >> > > > a >> > > > > >> > > > > major >> > > > > >> > > > > first step. >> > > > > >> > > > > >> > > > > >> > > > > Also, we really appreciate >> the >> > > help, >> > > > > >> > > > > >> > > > > >> > > > > tg >> > > > > >> > > > > >> > > > > >> > > > > >> > > > > >> > > > > [1] >> > > > > >> > > > > >> > > > > >> > > > > >> > > > > >> > > > >> > > > > >> > > >> > > > > >> > >> > > > > >> >> > > > > >> > > > >> > > >> > >> https://issues.apache.org/jira/projects/MAHOUT/issues/MAHOUT-2093?filter=allopenissues >> > > > > >> > > > > >> > > > > >> > > > > >> > > > > >> > > > > >> > > > > >> > > > > On Thu, Apr 16, 2020 at >> 4:50 >> > AM >> > > > Christofer Dutz >> > > > > < >> > > > > >> > > > > christofer.d...@c-ware.de> >> > > > > >> > > > > wrote: >> > > > > >> > > > > >> > > > > >> > > > > > Hi Stevo, >> > > > > >> > > > > > >> > > > > >> > > > > > so let me summarize what >> I >> > > > understood: >> > > > > >> > > > > > >> > > > > >> > > > > > - There are some modules >> in >> > > mahout >> > > > that are >> > > > > built >> > > > > >> with >> > > > > >> > Scala, >> > > > > >> > > > some >> > > > > >> > > > > with >> > > > > >> > > > > > java and some with both >> (At >> > > least >> > > > that's what >> > > > > I see >> > > > > >> when >> > > > > >> > > > checking >> > > > > >> > > > > out the >> > > > > >> > > > > > project) >> > > > > >> > > > > > - The current build uses >> > > Scala 2.11 >> > > > to build >> > > > > the >> > > > > >> Scala >> > > > > >> > code. >> > > > > >> > > > > > - The resulting libraries >> > are >> > > only >> > > > compatible >> > > > > with >> > > > > >> Scala >> > > > > >> > 2.11 >> > > > > >> > > > > > >> > > > > >> > > > > > Now you want to also >> publish >> > > > versions >> > > > > compatible >> > > > > >> with Scala >> > > > > >> > > > 2.12? >> > > > > >> > > > > > >> > > > > >> > > > > > If that's the case I >> think >> > > Maven >> > > > could easily >> > > > > add >> > > > > >> multiple >> > > > > >> > > > executions >> > > > > >> > > > > > where each compile >> compiles >> > to >> > > > different >> > > > > output >> > > > > >> > directories: >> > > > > >> > > > > > - Java --> target/classes >> > > > > >> > > > > > - Scala 2.11 --> >> > > target/classes-2.11 >> > > > > >> > > > > > - Scala 2.12 --> >> > > target/classes-2.12 >> > > > > >> > > > > > >> > > > > >> > > > > > Then the packaging would >> > also >> > > need >> > > > a second >> > > > > >> execution ... >> > > > > >> > > each >> > > > > >> > > > of the >> > > > > >> > > > > > executions bundling the >> > > classes and >> > > > the >> > > > > >> corresponding scala >> > > > > >> > > > output. >> > > > > >> > > > > > Ideally I would probably >> use >> > > maven >> > > > > classifiers to >> > > > > >> > distinguish >> > > > > >> > > > the >> > > > > >> > > > > > artifacts. >> > > > > >> > > > > > >> > > > > >> > > > > > <dependency> >> > > > > >> > > > > > >> > > > <groupId>org.apache.mahout</groupId> >> > > > > >> > > > > > >> > > > <artifactId>mahout-spark</artifactId> >> > > > > >> > > > > > >> > > <version>14.1-SNAPSHOT</version> >> > > > > >> > > > > > >> > > <classifier>2.11</classifier> >> > > > > >> > > > > > </dependency> >> > > > > >> > > > > > >> > > > > >> > > > > > Then it should all work >> in a >> > > normal >> > > > maven >> > > > > build. In >> > > > > >> the >> > > > > >> > > > > distributions you >> > > > > >> > > > > > could also filter the >> > versions >> > > > according to >> > > > > their >> > > > > >> > > classifiers. >> > > > > >> > > > > > >> > > > > >> > > > > > So if this is the case, I >> > > could >> > > > help you with >> > > > > this. >> > > > > >> > > > > > >> > > > > >> > > > > > Chris >> > > > > >> > > > > > >> > > > > >> > > > > > >> > > > > >> > > > > > Am 16.04.20, 09:39 >> schrieb >> > > "Stevo >> > > > Slavić" < >> > > > > >> > ssla...@gmail.com >> > > > > >> > > >: >> > > > > >> > > > > > >> > > > > >> > > > > > Disclaimer: I'm not >> > active >> > > > Mahout >> > > > > maintainer >> > > > > >> for quite >> > > > > >> > a >> > > > > >> > > > while, >> > > > > >> > > > > have >> > > > > >> > > > > > some >> > > > > >> > > > > > historical >> perspective, >> > > take it >> > > > with a >> > > > > grain of >> > > > > >> salt, >> > > > > >> > > > could be >> > > > > >> > > > > I'm >> > > > > >> > > > > >
