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From Sean Owen <>
Subject Re: Spark 2.0.0-preview artifacts still not available in Maven
Date Wed, 01 Jun 2016 21:51:59 GMT
An RC is something that gets voted on, and the final one is turned
into a blessed release. I agree that RCs don't get published to Maven
Central, but releases do of course.

This was certainly to be an official release, right? A beta or alpha
can still be an official, published release. The proximate motivation
was to solve a problem of advertising "Apache Spark 2.0.0 preview" in
a product, when no such release existed from the ASF. Hence the point
was to produce a full regular release, and I think that needs to
include the usual Maven artifacts.

I'd think we want less effort, not more, to let people test it? for
example, right now I can't easily try my product build against

On Wed, Jun 1, 2016 at 3:53 PM, Marcelo Vanzin <> wrote:
> So are RCs, aren't they?
> Personally I'm fine with not releasing to maven central. Any extra
> effort needed by regular users to use a preview / RC is good with me.
> On Wed, Jun 1, 2016 at 1:50 PM, Reynold Xin <> wrote:
>> To play devil's advocate, previews are technically not RCs. They are
>> actually voted releases.
>> On Wed, Jun 1, 2016 at 1:46 PM, Michael Armbrust <>
>> wrote:
>>> Yeah, we don't usually publish RCs to central, right?
>>> On Wed, Jun 1, 2016 at 1:06 PM, Reynold Xin <> wrote:
>>>> They are here ain't they?
>>>> Did you mean publishing them to maven central? My understanding is that
>>>> publishing to maven central isn't a required step of doing theses. This
>>>> might be a good opportunity to discuss that. My thought is that it is since
>>>> Maven central is immutable, and the purposes of the preview releases are
>>>> get people to test it early on in preparation for the actual release, it
>>>> might be better to not publish preview releases to maven central. Users
>>>> testing with preview releases can just use the temporary repository above.
>>>> On Wed, Jun 1, 2016 at 11:36 AM, Sean Owen <> wrote:
>>>>> Just checked and they are still not published this week. Can these be
>>>>> published ASAP to complete the 2.0.0-preview release?
> --
> Marcelo

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