I didn’t manually set the mirrors. My tycho build is using whatever the default 
is. My latest build did succeed but checking the log I see that it did not use 
mirror.cc.vt.edu <http://mirror.cc.vt.edu/>. 

My build is working for now, but for future builds I could try Nick’s 
suggestion of avoiding mirrors, but that, of course, is not ideal, as I don’t 
want to overuse bandwidth.

I’m not sure who exactly picks the mirrors: p2 or tycho? In any case, I would 
have hoped that whenever a mirror fails on an artiact for some reason, a 
different mirror would be tried. Perhaps this functionality has already been 
implemented? If not, I could file a bug, but on which component? p2? tycho? 
some other component?

Thanks


> On Oct 4, 2018, at 1:20 PM, Denis Roy <[email protected]> 
> wrote:
> 
> Mirrors are one of those things... I think that specific mirror has 
> occasional connectivity issues, since it's not the first time I see this 
> error.
> 
> Can you switch to another mirror?
> 
> We could pull that mirror from the list if it becomes problematic, but over 
> the last decade it has served many a terabyte.
> 
> 
> 
> Denis
> 
> 
> 
> On 2018-10-04 12:16 PM, Ernesto Posse wrote:
>> Thanks. Yes, that is a possibility, but unfortunately the product I’m 
>> building must be built on Neon due to some dependencies (which are 
>> absolutely necessary for the product but run only on Neon). Sometimes it is 
>> necessary to build products with older dependencies, specially when 
>> maintaining legacy applications.
>> 
>> Anyway, the build is now working, so maybe that was just a temporary network 
>> issue for the mirror in question, but thanks for the suggestion.
>> 
>> --
>> Ernesto Posse
>> Zeligsoft (2009) Ltd.
>> 
>> 
>> 
>>> On Oct 3, 2018, at 7:22 PM, Nick Boldt <[email protected] 
>>> <mailto:[email protected]>> wrote:
>>> 
>>> At the risk of being That Guy, have you considered that the mirrors are 
>>> trashing their ancient releases and moving up to the newer stuff?
>>> 
>>> Neon is so a couple years ago. 2016 was a much simpler time. Now we live in 
>>> the Photon and 2018-09 world. Can you use one of those instead?
>>> 
>>> There's also a flag to disable using the mirrors and just pull directly 
>>> from Eclipse.org <http://eclipse.org/>. 
>>> 
>>> https://wiki.eclipse.org/Equinox/p2/p2.mirrorsURL#Avoiding_mirrors.2C_even_when_using_p2.mirrorsURL
>>>  
>>> <https://wiki.eclipse.org/Equinox/p2/p2.mirrorsURL#Avoiding_mirrors.2C_even_when_using_p2.mirrorsURL>
>>> 
>>> 
>>> 
>>> Nick
>>> 
>>> On Wed, Oct 3, 2018 at 5:20 PM Ernesto Posse <[email protected] 
>>> <mailto:[email protected]>> wrote:
>>> Hi. I’m trying to build a project which downloads Neon artifacts from 
>>> http://mirror.cc.vt.edu/pub/eclipse/releases/neon/ 
>>> <http://mirror.cc.vt.edu/pub/eclipse/releases/neon/> but I keep getting 
>>> errors like this:
>>> 
>>> [INFO] Fetching 
>>> org.eclipse.e4.ui.model.workbench_1.2.0.v20160229-1459.jar.pack.gz from 
>>> http://eclipse.mirror.rafal.ca/releases/neon/201705151400/plugins/ 
>>> <http://eclipse.mirror.rafal.ca/releases/neon/201705151400/plugins/> 
>>> (106.56kB)
>>> [INFO] Unpacking org.eclipse.e4.ui.model.workbench_1.2.0.v20160229-1459...
>>> [ERROR] An error occurred while transferring artifact packed: 
>>> osgi.bundle,org.eclipse.e4.ui.services,1.2.100.v20160506-0759 from 
>>> repository http://download.eclipse.org/releases/neon: 
>>> <http://download.eclipse.org/releases/neon:>
>>> [ERROR]    Retry another mirror:
>>> [ERROR]       Unable to connect to repository 
>>> http://mirror.cc.vt.edu/pub/eclipse/releases/neon/201705151400/plugins/org.eclipse.e4.ui.services_1.2.100.v20160506-0759.jar.pack.gz
>>>  
>>> <http://mirror.cc.vt.edu/pub/eclipse/releases/neon/201705151400/plugins/org.eclipse.e4.ui.services_1.2.100.v20160506-0759.jar.pack.gz>
>>> [ERROR] Internal error: 
>>> org.eclipse.tycho.repository.local.MirroringArtifactProvider$MirroringFailedException:
>>>  Could not mirror artifact 
>>> osgi.bundle,org.eclipse.e4.ui.services,1.2.100.v20160506-0759 into the 
>>> local Maven repository.See log output for details. Network is unreachable 
>>> (connect failed) -> [Help 1]
>>> 
>>> (not only for org.eclipse.e4.ui.services_1.2.100 but other artifacts as 
>>> well)
>>> 
>>> Is anyone else seeing these problems? Is this particular mirror 
>>> (http://mirror.cc.vt.edu <http://mirror.cc.vt.edu/>) down? 
>>> 
>>> Thanks,
>>> 
>>> --
>>> Ernesto Posse
>>> Zeligsoft (2009) Ltd.
>>> 
>>> 
>>> 
>>> _______________________________________________
>>> cross-project-issues-dev mailing list
>>> [email protected] 
>>> <mailto:[email protected]>
>>> To change your delivery options, retrieve your password, or unsubscribe 
>>> from this list, visit
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>>> <https://dev.eclipse.org/mailman/listinfo/cross-project-issues-dev>
>>> 
>>> -- 
>>> Nick Boldt
>>> Principal Software Engineer, RHCSA
>>> Productization Lead :: JBoss Tools & Dev Studio
>>> IM: @nickboldt / @nboldt / http://nick.divbyzero.com 
>>> <http://nick.divbyzero.com/>
>>>  <https://red.ht/sig>       
>>> TRIED. TESTED. TRUSTED. <https://redhat.com/trusted>
>>> @ @redhatnews <https://twitter.com/redhatnews>      Red Hat 
>>> <https://www.facebook.com/RedHatInc>
>>>  <https://www.facebook.com/RedHatInc>
>>> 
>>> 
>>> “The Only Thing That Is Constant Is Change” - Heraclitus
>>> _______________________________________________
>>> cross-project-issues-dev mailing list
>>> [email protected] 
>>> <mailto:[email protected]>
>>> To change your delivery options, retrieve your password, or unsubscribe 
>>> from this list, visit
>>> https://dev.eclipse.org/mailman/listinfo/cross-project-issues-dev 
>>> <https://dev.eclipse.org/mailman/listinfo/cross-project-issues-dev>
>> 
>> 
>> _______________________________________________
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>> [email protected] <mailto:[email protected]>
>> To change your delivery options, retrieve your password, or unsubscribe from 
>> this list, visit
>> https://dev.eclipse.org/mailman/listinfo/eclipse-mirrors 
>> <https://dev.eclipse.org/mailman/listinfo/eclipse-mirrors>
> -- 
> Denis Roy
> Director, IT Services | Eclipse Foundation, Inc.
> Twitter: @droy_eclipse
> Meet us at EclipseCon Europe 2018 <https://www.eclipsecon.org/>: LUDWIGSBURG, 
> OCTOBER 23 - 25
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