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Re: [p2-dev] can platform be updated via p2?

Assuming your product has the following dependency structure (where each item in the tree is a p2 IU):

Your product 1.0
|--> CDT 5.0.1
|---> Platform 3.7.1
|--> RSE 2.0.0
|---> Platform 3.7.1
|--> Platform 3.7.1

then you will have to create a new version of the "Your product" IU that points at new version of the pieces. 

Your product 1.1
|--> CDT 5.0.2
|---> Platform 3.7.2
|--> RSE 2.0.0
|---> Platform 3.7.2
|--> Platform 3.7.2

This structure gives you complete control over what your user gets since when you publish a new update, the user sees that there is an update to "Your product" and not the individual pieces he does not want to know about. Note that even though the product version has changed only the bundles that have actually been changed will be downloaded.


On 2011-11-10, at 9:34 PM, John Cortell wrote:

So, it looks like I'm still stuck. We now internally have a p2 repo with the platform.ide IU. So, I can upgrade a pure platform installation (an installation with only the platform and no upstream components) via p2 thanks to the help I got from the folks on this list.

However, what I'm ultimately trying to do is upgrade the platform in a complete Eclipse commercial product--an installation that has not only the platform, but CDT, RSE and a variety of other components. Naturally, they all have a dependency on the platform.

So, the question is: how do I swap in a newer platform without uninstalling all the upstream pieces that rely on the platform? Is that at all possible? Is there a way to tell p2 "uninstall this piece even though other things depend on it, so that I may install a newer version of it".


On 10/27/2011 3:32 PM, DJ Houghton wrote:

If I'm reading what you're describing correctly, you are starting with a 3.6.0 SDK zip. You can't take a 3.6 SDK and replace the platform that it contains. What the error message you posted says is that the SDK 3.6.0 requires the Platform 3.6.0 and if you install Platform 3.6.1 then you will break it.

Coincidentally enough, the p2 team has been working on a new feature so if you run into the problem described above, we will recommend that you also update the SDK to 3.6.1 (if available) and then your install will complete. The feature is almost implemented and will appear in the 3.8 integration builds soon.

If you use the Platform zip (e.g. eclipse-platform-3.6.1-macosx-cocoa-x86_64.tar.gz) you will see the platform.ide IU:
<unit id='org.eclipse.platform.ide' version='3.6.1.M20100909-0800'>

So to fix your problem you either need to use a Platform zip (and update the org.eclipse.platform.ide IU) or change your command-line to update the org.eclipse.sdk.ide IU.

<Mail Attachment.gif>John Cortell ---2011/10/27 04:01:17 PM---There is no IU called org.eclipse.platform.ide in the p2 zip ( The

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John Cortell <rat042@xxxxxxxxxxxxx>
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P2 developer discussions <p2-dev@xxxxxxxxxxx>, P2 developer discussions <p2-dev@xxxxxxxxxxx>
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2011/10/27 04:01 PM
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Re: [p2-dev] can platform be updated via p2?
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There is no IU called org.eclipse.platform.ide in the p2 zip ( The only IUs in that p2 with 'platform' in the name are:
Here's what I get (cleaned up) when I try to update the platform in the 3.6 SDK with the one from the 3.6.1 p2 zip
      Cannot complete the install because of a conflicting dependency.
      Software being installed: Eclipse Platform 3.6.1.r361_v20100909-9gF78GrkFqw7GrsZnvz0JWNTeb6fue6896L ( 3.6.1.r361_v20100909-9gF78GrkFqw7GrsZnvz0JWNTeb6fue6896L)
      Software currently installed: Eclipse SDK 3.6.0.I20100608-0911 (org.eclipse.sdk.ide 3.6.0.I20100608-0911)
      Only one of the following can be installed at once:
      Eclipse Platform 3.6.0.v201006080911 (org.eclipse.platform 3.6.0.v201006080911)
      Eclipse Platform 3.6.1.v201009090800 (org.eclipse.platform 3.6.1.v201009090800)
I've tried specifying each of the IUs listed above. None of them work.

Finally, here's the cmdline I'm using:

"C:\eclipse_3.7\eclipsec" ^
-application org.eclipse.equinox.p2.director ^
-nosplash ^
-consoleLog ^
-profile SDKProfile ^
-installIU "" ^
file:/f:/temp/testp2/plat361p2 ^
-destination f:\temp\testp2\sdk36\eclipse


At 11:46 AM 10/27/2011, DJ Houghton wrote:
      Yes, you should be able to update the platform via p2. If you have the platform zip, the may be blocked by the org.eclipse.platform.ide InstallableUnit. Try updating that instead. _______________________________________________
      p2-dev mailing list

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