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From Robert Metzger <rmetz...@apache.org>
Subject Re: Failing Builds on Travis
Date Tue, 28 Apr 2015 11:52:44 GMT
I looked a bit closer into the Maven issue, maybe Travis is going to
provide a compatible Maven version for the Java6 build environment:
https://github.com/travis-ci/travis-ci/issues/3778

On Tue, Apr 28, 2015 at 1:49 PM, Maximilian Michels <mxm@apache.org> wrote:

> Hi Robert,
>
> Thanks for investigating the Travis build issues. I'm very much in favor
> for dropping Java 6. It's deprecated. All major Linux distributions are
> shipping at least Java 7. It's a rare use case that requires a lot of
> effort for us to maintain backwards compatibility.
>
> I don't recall the discussion but if we really decided to keep Java 6, then
> I guess we have to install a custom Maven version on Travis.
>
> Best,
> Max
>
> On Tue, Apr 28, 2015 at 1:34 PM, Robert Metzger <rmetzger@apache.org>
> wrote:
>
> > Hi,
> >
> > looking at the last builds on Travis, you'll notice that our builds are
> in
> > a pretty bad state: https://travis-ci.org/apache/flink/builds.
> > It seems that the last 15 builds on master all failed.
> >
> > These are the errors I saw + their status:
> > - Deadlock during cache up/download: I asked travis and they suggested a
> > workaround that I'm currently testing (MALLOC_ARENA=2, in master)
> > - issues opening zip files: The problem there is that some jars in the
> > cache seem to be corrupt. I asked ASF Infra to delete all caches, they
> did
> > it already, so the problem should be resolved.
> > - Maven failing on the java6 builds. The issue is that Travis updated
> their
> > build environment (April update [1]), which included a version upgrade of
> > Maven from 3.2.5 to 3.3.1. As per Maven 3.3.1, they are not supporting
> Java
> > 6 anymore [2].
> > It seems that travis is rolling back the April environment updates [3] so
> > the issue will probably disappear for a few days until they fixed their
> > environment update.
> > We can resolve the issue by two ways a) drop Java6 support, b) manually
> > install maven on travis (its a matter of 1-2hrs).
> > - The third build on travis (hadoop200-alpha) is failing due to some
> Flink
> > tests: https://travis-ci.org/apache/flink/jobs/60335907
> > It would be good if somebody who worked on this recently could take a
> > closer look.
> >
> >
> > Please let me know how you want to fix the Java6/Maven issue!
> > a) Drop Java 6 support for Flink
> > b) Use an older Maven version for now.
> >
> > I'm in favor of option b) because the community recently decided to keep
> > Java6 support. (Fun fact: Java 7 reached its end of support lifecycle [4]
> > in April 2015)
> >
> >
> > Robert
> >
> > [1] http://docs.travis-ci.com/user/build-environment-updates/2015-04-09/
> > [2] https://issues.apache.org/jira/browse/MNG-5780
> > [3] https://twitter.com/traviscistatus/status/592902357144498176
> > [4]
> >
> >
> http://en.wikipedia.org/wiki/Java_version_history#Java_SE_7_.28July_28.2C_2011.29
> >
>

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