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https://issues.apache.org/jira/browse/HADOOP-14816?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16175295#comment-16175295
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Allen Wittenauer commented on HADOOP-14816:
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I'm viewing as incompatible in that it will likely change the requirements for
any binary distributions and, if I read the new hadoop compatibility guidelines
that were just committed, the minimum versions of the compilers, etc.
bq. Trusty is supported until April 2019, so I think it's too early for that.
... except, if the project's past track record is any indication, we won't be
able to do Xenial until 4.x, which would put it well past 2019.
There's also the problem of JDK9. It's *easy* to get JDK9 on Xenial. Not so
much on Trusty. I'd like for us to start building a nightly on JDK9. In order
to do that, we're gonna need it in the Dockerfile...
> Update Dockerfile to use Xenial
> -------------------------------
>
> Key: HADOOP-14816
> URL: https://issues.apache.org/jira/browse/HADOOP-14816
> Project: Hadoop Common
> Issue Type: Improvement
> Components: build, test
> Affects Versions: 3.0.0-beta1
> Reporter: Allen Wittenauer
> Assignee: Allen Wittenauer
> Attachments: HADOOP-14816.00.patch, HADOOP-14816.01.patch
>
>
> It's probably time to update the 3.0 Dockerfile to use Xenial given that
> Trusty is on life support from Ubuntu.
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