Denis,
While automatic redirection is a great idea for keeping the download
server responsive, I should point out that unfortunately it can also
lead to problems:
https://bugs.eclipse.org/bugs/show_bug.cgi?id=539316
In particular, for locations with content that changes over time, it can
and does redirect to mirrors with older content. I've suggested that it
seems relatively simple (to me) to tweak whatever logic is checking for
size > 500KB to also check that modification time > 1 day so that some
mirror is actually likely to have the latest version rather than highly
unlikely.
Regards,
Ed
On 04.10.2018 20:15, Denis Roy wrote:
First off: thank you for considering our bandwidth! It is much
appreciated.
We have since tweaked download.e.o so that, if you choose to not
access mirrors, we will round-robin to mirrors based on the client's
location (for files > 500KB). In that case, a retry to download.e.o
may result in a different mirror for the same file, which may make
your builds more reliable.
My suggestion: use the p2 mirrors mechanism, and if the same mirror
fails repeatedly, then please report it and we'll remove it.
Thanks,
Denis
On 2018-10-04 01:38 PM, Ernesto Posse wrote:
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]
<mailto:[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
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/ 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/
(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:
[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
[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) down?
Thanks,
--
Ernesto Posse
Zeligsoft (2009) Ltd.
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