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https://issues.apache.org/jira/browse/NUTCH-891?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12900283#action_12900283
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Chris A. Mattmann commented on NUTCH-891:
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Hi Andrzej:
Can I get some clarificatioin on this? First, local Ivy jars are versioned, by
artifact id and by version #. So, we're talking about gora-0.1.jar here, right?
So, your point is, if I'm off gitting and developing on Gora, at any point in
time, I can run ant on gora and then it updates my local Ivy repo with a
gora-0.1.jar file, right? And your point is, this file is different than the
previous gora-0.1.jar file (-N minutes ago), and so thus, Nutch isn't really
depending on a stable version, right?
If the above is true, what it suggests to me is that perhaps the process of
installing Gora as a local Ivy dependency (independent of Nutch's deps) needs a
bit more discipline. I'd say, why not make the Gora Ant build publish a
gora-0.1-<some snapshot id aka SVN rev or UUID or whatever>.jar? In that
fashion, you could develop on Gora, without fear of changing anything in the
way that Nutch depends on it (because the 0.1 version that Nutch depends on
could be frozen as is).
I'd also be a fan if the above isn't true or doesn't make sense, of actually
just uploading Gora to Maven central -- can we try that?
Cheers,
Chris
P.S. I'm not trying to be difficult about NUTCH-873 b/c I was the one who did
it. If in the end the consensus is to revert it, no egos here, go ahead. I'm
just trying to figure out a solution to the problem that allows us to use Ivy
as it should be and to not have to make exceptions. My other thought along
these lines is that if we can't wrap our heads around Ivy, or getting to Maven
Central in any short amount of time, then what about pulling Gora into Nutch
SVN? It's ASLv2 licensed and there is nothing against doing this. From there,
there would be a clean path to move to Incubation since the code would already
be in Apache SVN anyways...
> Nutch build should not depend on unversioned local deps
> -------------------------------------------------------
>
> Key: NUTCH-891
> URL: https://issues.apache.org/jira/browse/NUTCH-891
> Project: Nutch
> Issue Type: Bug
> Reporter: Andrzej Bialecki
>
> The fix in NUTCH-873 introduces an unknown variable to the build process.
> Since local ivy artifacts are unversioned, different people that install Gora
> jars at different points in time will use the same artifact id but in fact
> the artifacts (jars) will differ because they will come from different
> revisions of Gora sources. Therefore Nutch builds based on the same svn rev.
> won't be repeatable across different environments.
> As much as it pains the ivy purists ;) until Gora publishes versioned
> artifacts I'd like to revert the fix in NUTCH-873 and add again Gora jars
> built from a known external rev. We can add a README that contains commit id
> from Gora.
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