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[p2-dev] Re: [emf-dev] Possible bug in EMF all-in-one distribution
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IMHO the fact that p2 doesn't check locally for a .jar.pack.gz before
going to the web is still a bug in p2. A local repo, whether a zip or
a folder, ought to have the same 'see if there's a packed jar just in
case' behaviour - isn't that like one line of
if-jar-exists-then-install,elseif-jar.pack.gz-exists-then-install-else-check-the-web
code?
And since the zip is installable as a zip, which is easier/faster than
unpacking it first, and can be installed via director using the jar:
prefix, I consider this a WORKSFORME.
If you disagree, open a bug and I'll point you at the code that does
the jar packing, metadata gen, and zip packaging. Patches welcome.
Nick
On 9/11/09, Dalton, Tom <tom.dalton@xxxxxxx> wrote:
> Hi,
>
> I had some problems recently with the EMF all-in-one distribution - the
> update site .zip file. I raised the issue with the P2 team (who maintain
> Eclipse's update features) and they say it's a bug in your distribution.
> Please see the attached email chain for the details.
>
> Cheers,
>
> Tom Dalton
>
>
> ________________________________
>
> From: p2-dev-bounces@xxxxxxxxxxx
> [mailto:p2-dev-bounces@xxxxxxxxxxx] On Behalf Of Dalton, Tom
> Sent: 11 September 2009 12:27
> To: P2 developer discussions
> Subject: RE: [p2-dev] Issue running p2 director
>
>
> Thank you for the response - I'll let the EMF team know there's
> a problem at their end.
>
> Using the jar:file type URI to point at the .zip seems to work
> in the meantime, so I'm a very happy bunny.
>
> Cheers,
>
> Tom
>
>
> ________________________________
>
> From: p2-dev-bounces@xxxxxxxxxxx
> [mailto:p2-dev-bounces@xxxxxxxxxxx] On Behalf Of Pascal Rapicault
> Sent: 10 September 2009 18:00
> To: P2 developer discussions
> Cc: p2-dev@xxxxxxxxxxx; p2-dev-bounces@xxxxxxxxxxx
> Subject: Re: [p2-dev] Issue running p2 director
>
>
>
> The artifact repository contained in this archive is
> inconsistent. It has been made inconsistent by the EMF build process
> which deletes the canonical jars to only leave the pack'ed one, but does
> not update the artifact repository index (artifacts.jar) to reflect this
> change. Please report this problem to the EMF team.
>
> The reason why this is working in the case of a zip'ed
> repo is because p2 treats it as a non-local repo and installs from the
> pack file which it finds. However when the repository is exploded on the
> file system, p2 first tries to download the JAR because the artifact
> repository index (artifacts.jar) indicates that it contains it even
> though it does not have it. If this reference had not been available in
> the artifact repo index, then p2 would have resorted to use the pack'ed
> files.
> That said, the code in MirrorRequest#perform in the
> p2.artifact.repository bundle could be made for insistent and try every
> descriptor rather than just the first one.
>
> Did you try to point the director app at the archive
> using as a repository the JAR URI (jar:file:/c:/archive.zip!/ or see the
> URI that gets created for you when you add the archive through the UI)?
> HTH
> PaScaL
>
>
>
>
> [p2-dev] Issue running p2 director
>
>
>
>
>
>
> [p2-dev] Issue running p2 director
>
> Dalton, Tom
> to:
> p2-dev
>
> 09/10/2009 06:57 AM
>
>
>
> Sent by:
> p2-dev-bounces@xxxxxxxxxxx
> Please respond to P2 developer discussions
>
>
> ________________________________
>
>
>
> Hi,
>
> I'm using the Eclipse 3.5 CDT on a non-networked machine
> and I want to add the EMF framework to it. I have downloaded the EMF
> update site .zip from
>
>
> http://www.eclipse.org/modeling/emf/downloads/?project=emf
> <http://www.eclipse.org/modeling/emf/downloads/?project=emf>
> Specifically I got
> http://www.eclipse.org/modeling/download.php?file=/modeling/emf/emf/down
> loads/drops/2.5.0/R200906151043/emf-xsd-Update-2.5.0.zip
> <http://www.eclipse.org/modeling/download.php?file=/modeling/emf/emf/dow
> nloads/drops/2.5.0/R200906151043/emf-xsd-Update-2.5.0.zip>
>
> Now, if I install that update though the Eclipse UI by
> selecting the zip file itself, everything works. However, if I unzip the
> file to somewhere temporary and then try to install from that location,
> it gets to about 60% though and then bombs out with a mass of 'file not
> found' errors, because it seems to be looking for the plugins as plain
> .jar files instead of the actual .jar.pack.gz files.
>
> This difference in behaviours seems to me to be a bug,
> albeit with a workaround (install direct from the zip rather than
> extracting it myself). So that would be fine, except that I need to
> automat the eclipse build (I need to add a lot more than just EMF and
> need to do this for a lot of people).
>
> So I started looking at the P2 director command line
> stuff described at:
>
>
> http://help.eclipse.org/galileo/topic/org.eclipse.platform.doc.isv/guide
> /p2_director.html
> <http://help.eclipse.org/galileo/topic/org.eclipse.platform.doc.isv/guid
> e/p2_director.html>
> And
>
> http://wiki.eclipse.org/Equinox_p2_director_application#Installing_.2F_u
> ninstalling_IUs_into_a_target_product
> <http://wiki.eclipse.org/Equinox_p2_director_application#Installing_.2F_
> uninstalling_IUs_into_a_target_product>
>
> However, when using these methods, if I set the
> -repository to point at the zip file itself, it moans that its not a
> valid repository. If I point it at my manually unzipped directory, it
> starts off ok, but then bombs out with the same file not found errors as
> described above.
>
> So two questions:
> 1. Are these file not found errors the symptoms of a
> bug?
> 2. Is there a way to duplicate the UI install-from-zip
> behaviour via the command line P2 director (which would provide me with
> a solution to my problem).
>
> Thanks a lot for any help provided!
>
> Tom Dalton
> _______________________________________________
> p2-dev mailing list
> p2-dev@xxxxxxxxxxx
> https://dev.eclipse.org/mailman/listinfo/p2-dev
>
>
>
>
>
--
Sent from my mobile device
Nick Boldt :: JBoss by Red Hat
Productization Lead :: JBoss Tools & Dev Studio
Release Engineer :: Dash Athena
http://nick.divbyzero.com
