Re: [DISCUSS] Bump required Maven version to 3.1.1 (from 3.0.3)

[Robert Metzger <rm...@apache.org>]

Thanks for your feedback. I'll open a PR.

Here's the ticket: https://issues.apache.org/jira/browse/FLINK-12447

On Tue, Apr 30, 2019 at 11:33 AM Visser, M.J.H. (Martijn)
<ma...@ing.com.invalid> wrote:

> I wouldn't consider the version bump blocking for us. We do have Redhat
> machines for local development, but we can manually upgrade the Maven
> version there.
>
> Yes, Flink is the only npm project build on those machines. There are
> other projects though that are using npm, so we'll probably can get it
> working internally too. Just requires some more manual work.
>
> -----Original Message-----
> From: Robert Metzger [mailto:rmetzger@apache.org]
> Sent: maandag 29 april 2019 17:32
> To: dev <de...@flink.apache.org>
> Cc: Visser, M.J.H. (Martijn) <ma...@ing.com.invalid>
> Subject: Re: [DISCUSS] Bump required Maven version to 3.1.1 (from 3.0.3)
>
> Thanks Martijn. RHEL has quite long support cycles :)
>
> Would you still be okay with the version bump?
> (The workaround here being to manually download a later maven version for
> Flink builds)
>
> For the npm dependencies: Is Flink the only npm project build on these
> servers? (I'm asking because there might be a similar model with custom
> repositories for npm, or some exceptions in your corporate policies for
> NPM?)
>
> On Mon, Apr 29, 2019 at 4:23 PM Chesnay Schepler <ch...@apache.org>
> wrote:
>
> > The other connection you're referring to is likely the plugin
> > downloading dependencies from npm.
> >
> > On 29/04/2019 13:50, Visser, M.J.H. (Martijn) wrote:
> > > Hi Robert,
> > >
> > > Just as an FYI, Redhat 7 Enterprise also still ships with 3.0.5 as
> > default. I did a manual upgrade to a later version on one of our
> > Redhat servers, but it appears that this plugin doesn't use the
> > repositories as are defined in a settings.xml, but tries to setup an
> > external connection (which fails, because we're behind a proxy).
> > >
> > > Best regards,
> > >
> > > Martijn
> > >
> > > -----Original Message-----
> > > From: Robert Metzger [mailto:rmetzger@apache.org]
> > > Sent: vrijdag 26 april 2019 15:43
> > > To: dev <de...@flink.apache.org>
> > > Subject: [DISCUSS] Bump required Maven version to 3.1.1 (from 3.0.3)
> > >
> > > Hey,
> > >
> > > I recently merged the new Flink UI [1]. After merging it, I was made
> > aware that the frontend-maven-plugin requires at least Maven 3.1.0.
> > > There was a discussion about bumping the maven version already last
> > > year
> > [2]. In that thread, Stephan mentions that some Linux distributions
> > still have Maven 3.0.5 as their default version.
> > > Ubuntu 16.04 (the current LTS version) ships Maven 3.3.9.
> > > Debian Jessie (8) is indeed still shipping 3.0.5, Stretch (9) is on
> > 3.3.9 too.
> > >
> > > Given this situation, I propose to bump the required Maven version
> > > to
> > 3.1.1.
> > >
> > > Flink releases are build with 3.2.5.
> > >
> > > If nobody raises any objections till Thursday, May 2nd, I'll open a
> > > PR
> > bumping the version.
> > >
> > > Best,
> > > Robert
> > >
> > >
> > > [1] https://github.com/apache/flink/pull/8016
> > > [2] https://github.com/apache/flink/pull/6443#issuecomment-410673911
> > >
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