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Re: [cross-project-issues-dev] Problem/Question about Update... 
Thanks David,
I verified that that site was enabled. It is. The latest Java EE package I see is installed (20100202-1349). I need one that includes P2 from after 20100208. I guess my "problems" are mostly a conceptual ones: what is the smallest "update-able" unit? Should it be the package? or should I be able to update at a feature level? Or does this depend upon whether the "feature" is integral to the framework (as p2 is)?
I'm also concerned with what appears to be issues with p2's dependency analysis. I'd think that it should have the information it needs to resolve some of these dependencies. ie. if org.eclipse.widget_2.1.0.20100101 is part of org.eclipse.cool.feature_1.1.1.20100101, and org.eclipse.cool.control_2.1.1 depends upon it, then you'd think that when updating cool.control it would know that if you also need to update "widget" to get it from cool.feature rather than simply reporting a dependency error. Unless I'm misreading the messages (as you said), and the issue is that I'm updating cool.control (and need the newer widget), but am not specifying an update to scalable.frame which also depends upon widget, so I still require the old dependency as well. However, even in the later case it seems like the issue is a bug. Either the dependencies are defined in a way that they are too restrictive, or components are not being engineered with compatibility in mind. I don't know which is the case, or even if either is. Also as a user I certainly don't know that widget is part of cool.feature. So reporting an unresolved dependency upon widget isn't very useful to me. I'm kind-of assuming that these are all issues resulting from mid-development of all the components, they are known and will be fixed down the road (This will be my first full cycle with a simultaneous release, so I still consider myself a newbie). That is most of the reason I posted. I wanted to see if I was off base, and missing some piece of the puzzle. 

Thanks again.

-Eric

David M Williams wrote:
I'm not sure what your specific problem is (because I can never understand those P2 error message chains :)
But I do know that to get the Java EE Package to correctly update, it is often required to have the "packages repository" enabled in your available software sites list. Namely, 

http://download.eclipse.org/technology/epp/packages/helios

If it turns out this helps you, you might comment in bug 303273
https://bugs.eclipse.org/bugs/show_bug.cgi?id=303273

HTH



From: 	Eric Gwin <eric.gwin@xxxxxxxxxx>
To: P2 developer discussions <p2-dev@xxxxxxxxxxx>, Cross project issues <cross-project-issues-dev@xxxxxxxxxxx> 
Date: 	03/08/2010 10:14 AM
Subject: 	[cross-project-issues-dev] Problem/Question about Update...
Sent by: 	cross-project-issues-dev-bounces@xxxxxxxxxxx


------------------------------------------------------------------------



Hi,

I'm trying to update to a newer p2 in my M5 updated, Helios M4 JEE
install by pointing to an unzipped equinoxSDK build in "Install New
Software". The updater recognizes that bundles are previously installed,
and will update them instead. However, it says it cannot proceed because
there are dependency conflicts.

As I add features to try and remove conflicts, I get others. Until  I am
requesting  to  install the entire Equinox SDK over JEE M5, at which
point it appears that I cannot proceed because the JEE package depends
upon a version of eclipse.equinox.preferences.mechanism which is trying
to be replaced by equinox. I'm including a jpg of the dialog.

I am obviously doing something wrong, since I was asked to update p2 to
a later build, but cannot do so. It appears I can only update the jee
package without error, but jee does not yet contain the version of p2
that I need.

What am I missing? is there a specific p2 site (for p2, or the JEE
package) I need?

Thanks.
--
-Eric

Oracle <http://www.oracle.com <http://www.oracle.com/>>
Eric Gwin | Senior Software Developer
Phone: +613 288 4622 <tel:+613%20288%204622> | | Fax: +613 2382818
<fax:+613%202382818> | | Mobile: +613 8582347 <tel:+613%208582347>
Oracle Java Server Technologies
ORACLE Canada | 45 O'Connor St., Ottawa, Ontario | K1P 6L2
Green Oracle <http://www.oracle.com/commitment> Oracle is committed to
developing practices and products that help protect the environment
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--
-Eric

Oracle <http://www.oracle.com>
Eric Gwin | Senior Software Developer
Phone: +613 288 4622 <tel:+613%20288%204622> | | Fax: +613 2382818 <fax:+613%202382818> | | Mobile: +613 8582347 <tel:+613%208582347> 
Oracle Java Server Technologies
ORACLE Canada | 45 O'Connor St., Ottawa, Ontario | K1P 6L2
Green Oracle <http://www.oracle.com/commitment> Oracle is committed to developing practices and products that help protect the environment

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