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From Toshio ITO <>
Subject Re: Are the unit tests supposed to fail?
Date Wed, 09 Jul 2014 05:48:03 GMT
Hi Roman,

Thanks for the explanation.

I ran "mvn test" against an existing Hadoop instance because I saw
it in "Building and Testing" page.

Now I understand it's non-orthodox.

> Pure unit tests are definitely expected to pass. They do pass
> on our Jenkins,

That's exactly what I wanted to hear.

So the problem should be in my environment. I'll investigate it a
little more.

> On Mon, Jul 7, 2014 at 4:50 PM, Toshio ITO <> wrote:
> > Hi Roman,
> >
> > I previously reported some cases where Giraph unit tests failed.
> >
> >
> This thread talks about hadoop_0.20.203 profile. I am not sure
> this version of Hadoop gets a lot of attention in Giraph community.
> Personally, I'd definitely not treat any failures in that profile
> as release blockers.
> >
> This one is more interesting. I can't reproduce your
> failures in Rexster I/O Format in my environment.
> As for -Dprop.mapred.job.tracker=localhost:54311 -- I've
> never seen anybody running Giraph unit tests that way.
> You're right that in theory it should work and it would be
> useful for us to understand why it fails. I may be able to
> look at it, but since it happens to be a pretty non-orthodox
> way of running Unit test, I don't think it'll be a release
> blocker all by itself.
> > Because it seems I'm almost the only one in the user mailing list
> > who cares about the unit tests
> I think all of us do, but the thing is -- we run them as pure
> unit tests -- you run then as combination of unit/system
> tests. If you can make them work both ways that would
> be appreciated regardless of whether your fixes end
> up in 1.1.0 or not.
> > I just wonder whether it is normal (or expected) for the unit tests
> > to fail at this stage of development (release-1.1.0-RC0).
> Pure unit tests are definitely expected to pass. They do pass
> on our Jenkins, hence my suspicion that something's is
> wrong with your env.
> Thanks,
> Roman.

Toshio Ito

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