| Re: error updating Ganymede to Galileo [message #133608] |
Thu, 25 June 2009 10:50  |
Eclipse User |
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Originally posted by: eclipse-news.rizzoweb.com
David Williams wrote:
> BUT, upgrading from Ganymede to Galileo is not supported. You should
> start off with one of the main packages found at
> http://www.eclipse.org/downloads/ and then install other items into that
> install.
David,
Are you certain that Ganymede -> Galileo updates are really not
supported. One of the benefits of p2 was supposed to be the ability to
(finally) update across major releases.
Eric
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| Re: error updating Ganymede to Galileo [message #133632 is a reply to message #133608] |
Thu, 25 June 2009 13:37  |
| Eclipse User |
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Originally posted by: david_williams.linux.vnet.ibm.com
Eric Rizzo wrote:
> David,
> Are you certain that Ganymede -> Galileo updates are really not
> supported. One of the benefits of p2 was supposed to be the ability to
> (finally) update across major releases.
>
Well, it's definitely not supported in the sense no one has tested it
(that I know of).
The way I heard it described was, to paraphrase, " ... it might work, in
some situations, depending on what you had installed, and what you were
updating, but it would never be perfectly correct (some things like
'config', eclipse executable etc., will never be updated) and it might
cause problems later", or something similar to that (but don't quote me :)
I'm not the definitive word (not being on p2 team) but that's my
understanding.
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| Re: error updating Ganymede to Galileo [message #133645 is a reply to message #133608] |
Thu, 25 June 2009 17:22 |
| Eclipse User |
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Originally posted by: eclipseng.arthorne.com
The Galileo repository is using a completely new kind of repository
called a "composite repository". Since Eclipse 3.4 doesn't know anything
about this repository type, it can't find any artifacts (hence the "No
repository found..." errors). The metadata is otherwise completely
compatible between 3.4 and 3.5, so upgrades across releases are
theoretically possible. But, if your metadata takes advantage of new
concepts added in 3.5 (such as composite repositories), then previous
releases won't be able to process it.
Enabling major release upgrades while still allowing new releases to
make use of new features really requires a "staged" upgrade: upgrade p2
first, then use the new p2 to upgrade the rest. Some support for this
was added in 3.5, which should increase the number of cases where we can
support major-release upgrades in the future. Supporting upgrades across
major releases is on the draft plan for 3.6, but we've learned enough
about how complicated this really is that we won't be making any
promises until we're sure it will work ;)
--
Eric Rizzo wrote:
> David Williams wrote:
>> BUT, upgrading from Ganymede to Galileo is not supported. You should
>> start off with one of the main packages found at
>> http://www.eclipse.org/downloads/ and then install other items into
>> that install.
>
> David,
> Are you certain that Ganymede -> Galileo updates are really not
> supported. One of the benefits of p2 was supposed to be the ability to
> (finally) update across major releases.
>
> Eric
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