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From Karthik Kambatla <ka...@cloudera.com>
Subject Re: [DISCUSS] About the details of JDK-8 support
Date Thu, 15 Oct 2015 13:42:07 GMT
On Wed, Oct 14, 2015 at 4:28 PM, Allen Wittenauer <aw@altiscale.com> wrote:

>
> If people want, I could setup a cut off of yetus master to run the jenkins
> test-patch.  (multiple maven repos, docker support, multijdk support, … )
> Yetus would get some real world testing out of it and hadoop common-dev
> could stop spinning in circles over some of the same issues month after
> month. ;)
>

Seems like a step in the right direction.

Should we expect a downtime and is there a good/bad time to do this?


>
>
> On Oct 14, 2015, at 3:05 PM, Robert Kanter <rkanter@cloudera.com> wrote:
>
> > The only problem with trying to get the JDK 8 trunk builds green (or
> blue I
> > guess) is that it's like trying to hit a moving target because of how
> many
> > new commits keep coming in.  I was looking at fixing these a while ago,
> and
> > managed to at least make them compile and fixed (or worked with others to
> > fix) some of the unit tests.  I've been really busy on other tasks and
> > haven't had time to continue working on this in quite a while though.
> >
> > Currently, it looks like Common is still green mostly, Yarn is having a
> > build failure with checkstyle, MR has between 1 and 10 test failures, and
> > HDFS had between 3 and 10 test failures.
> >
> > I think it's going to be difficult to get these green, and to keep them
> > green, unless we get more buy in from everyone on new commits being
> tested
> > against JDK 8.  Otherwise, it's too hard to keep up with the number of
> > commits coming in, even if we do get it green.  Perhaps we could have
> > test-patch also run the patch against JDK 8?
> >
> >
> > - Robert
> >
> > On Wed, Oct 14, 2015 at 8:27 AM, Steve Loughran <stevel@hortonworks.com>
> > wrote:
> >
> >>
> >>> On 13 Oct 2015, at 17:32, Haohui Mai <ricetons@gmail.com> wrote:
> >>>
> >>> Just to echo Steve's idea -- if we're seriously considering supporting
> >>> JDK 8, maybe the first thing to do is to set up the jenkins to run
> >>> with JDK 8? I'm happy to help. Does anyone know who I can talk to if I
> >>> need to play around with all the Jenkins knob?
> >>
> >> Jenkins is building with JAva 7 and 8. all that's needed is to turn off
> >> the Java 7 build, which I will  happily do. The POM can be changed to
> set
> >> the minimum JVM version -though that's most likely to be visible to
> people
> >> building locally, as you'll need to make sure that you have access to
> java
> >> 7 and java 8 JVMs if you want to build and test for both.
> >>
> >> Jenkins-wise, the big issue is one I've mentioned before: the builds are
> >> failing an not enough people are caring
> >>
> >>
> >>
> https://builds.apache.org/view/H-L/view/Hadoop/job/Hadoop-Hdfs-trunk-Java8/488/
> >>
> >> Please, lets fix this
> >>
> >>
>
>

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