| Again the dreaded "No updates found" for a Buckminster -built RCP product [message #875978] |
Wed, 23 May 2012 12:50  |
 Matthias Paul Scholz
Messages: 1
Registered: May 2012 |
Junior Member |
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Hi all,
This is a topic that has come up earlier and I worked through everything I found here and on other places, but after two days of frustration and fruitless efforts I decided to drop a question finally:
For my Eclipse RCP product, I can create an executable by using Eclipse's export wizard for Linux x86 that runs fine. Also the P2 repository created that way works well and the RCP client can be updated with new versions from that repository.
I can also create an Eclipse RCP product that works without any troubles using a headless Buckminster build.
My problem is, though, that this Buckminster-built product can never be updated from the p2 repository, regardless whether this p2 repository has been built by the Export Wizard or by the site.p2 feature of Buckminster: it always states that "no updates are available" (no further error or log messages).
I tracked it down to the version qualifiers not being replaced in the p2 profile which is packed into the p2/org.equinox.p2.engine folder of the created application.
From various threads dating back to 2009 I have seen that there's a workaround for that by just not specifying a version in the .product file that is located in the app's feature. Doing so, the qualifiers in the said profile look fine indeed, but the update still does not work for the P2 repository created by Buckminster's site.p2 (as a matter of fact, not even the update of a product created by Eclipse's Export wizard does that any more for the related P2 repository).
The other option stated in said discussions was to use p2.gathering=true and setting the p2.product.qualifier variable to something useful; yet, that never worked for me (qualifiers in generated profile get not replaced).
So I'm pretty much out of my depths here.
Any help would be pretty much appreciated.
Thanks,
MP
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