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Re: [mdt-papyrus.dev] Colliding version numbers between Oxygen and Photon?

Hi

I'm confused. If you are installing the Papyrus OOMPH you don't download any Papyrus plugins since you will have Papyrus projects in your workspace. When I do a Papyrus OOMPH I get no 2017 Papyrus plugins in my P2 pool.

If you are doing something downstream then may be Papyrus gets fetched. So there may be multiple bugs/inefficiencies. You should be specifying a particular Papyrus version, perhaps you didn't. OOMPH should only download that version, perhaps it lazily loads multple versions. Even if OOMPH loads multiple versions inefficiently, those with the identical fully qualified name must offer identical functionality; it really doesn't matter whether you happen to install from Oxygen / Master.

I suspect that the releng bugs I identified earlier are the cause of problems.

    Regards

        Ed Willink


On 10/11/2017 12:44, Cigehn Peter wrote:

Hi,

 

Just to clarify what I tried to explain in my first mail: I am using the Eclipse Installer (Oomph) and thus utilize a shared p2 bundle pool. When there are colliding version numbers with identical time stamps in their qualifier, the shared p2 bundle pool gets “confused” (since it only can cache one of the bundles in the shared bundle pool, i.e. either the Oxygen or the Photon one). I have attached the Oomph setup file for anyone interested (and maybe want to try this out themselves). As you can see, the list of available repos are different, and there is no Photon repo when installing Oxygen (or vice versa). Depending on in which order you install/update you either “contaminate” the Photon installation with the Oxygen bundle, or the Oxygen installation with the Photon bundle.

 

For anyone that wants to test this, please do it before any build triggered by commits being pushed. This only happens when the latest builds of both Oxygen and Photon are the time triggered builds done at 21:43.

 

/Peter Cigéhn

 

From: mdt-papyrus.dev-bounces@xxxxxxxxxxx [mailto:mdt-papyrus.dev-bounces@xxxxxxxxxxx] On Behalf Of Ed Willink
Sent: den 10 november 2017 13:27
To: mdt-papyrus.dev@xxxxxxxxxxx
Subject: Re: [mdt-papyrus.dev] Colliding version numbers between Oxygen and Photon?

 

Hi

If you are using Oxygen, you must not have a Photon repo on your list of available sites. No Photon and the problem should go away. With a Photon repo, you should not get any Oxygen installs.

Different start times would avoid one source of debugging confusion but probably not solve the problem.

Papyrus releng appears to have a bug in churning version qualifiers. With Buckminster, unchanged plugins could preserve their version by comparison with a previous repo. With Tycho, qualifiers can be based on the transitively last GIT commit time. See https://wiki.eclipse.org/Tycho/Reproducible_Version_Qualifiers

The earlier bug makes it hards to tell whether Papyrus has a further bug through failure to apply an at least +0.0.100 advance to the post release 'unchanged' bundles. The same major/minor/maintenance version should never appear from two different development streams. See https://wiki.eclipse.org/Version_Numbering

    Regards

        Ed Willink

 

On 10/11/2017 11:54, Cigehn Peter wrote:

Hi,

 

Today I bumped into exactly the same issue once again, and I ended up with a non-working installation for the Oxygen track (since it incorrectly got the Photon version). When looking a bit closer I can see that the time triggered build for both Oxygen as well as Photon happens at exactly 21:43. Could someone be so kind to at least make sure that the time triggered (periodic) builds at least happens at different times to avoid this version number conflict?

 

https://hudson.eclipse.org/papyrus/job/Papyrus-Master/configure

https://hudson.eclipse.org/papyrus/job/Papyrus-Oxygen/configure

 

This would at least reduce the risk of conflicts like this.

 

/Peter Cigéhn

 

From: mdt-papyrus.dev-bounces@xxxxxxxxxxx [mailto:mdt-papyrus.dev-bounces@xxxxxxxxxxx] On Behalf Of Cigehn Peter
Sent: den 27 oktober 2017 16:38
To: mdt-papyrus.dev@xxxxxxxxxxx
Subject: [mdt-papyrus.dev] Colliding version numbers between Oxygen and Photon?

 

Hi,

 

I have had ”random” issues with my installations of nightly builds for Papyrus Oxygen and Papyrus Photon which have puzzled me for quite some time. I use an own made Oomph setup file and use the Eclipse Installer to manage my installations of nightly builds. And thus I also use a shared p2 bundle pool.

 

The problem is that from time to time, the UML architecture context gets “lost”, i.e. when trying to create a new model the list of available architecture contexts is empty. Apart from that it also impacts other things like empty palettes in the diagram editors and so on.

 

When checking a bit closer with the OSGi console I can see the following (in my Oxygen installation):

 

osgi> lb -s org.eclipse.papyrus.uml.architecture

START LEVEL 6

   ID|State      |Level|Symbolic name

  522|Installed  |    4|org.eclipse.papyrus.uml.architecture (1.1.0.201710270144)

 

The bundle is installed but not started. When trying to start it, the following happens:

 

osgi> start 522

gogo: BundleException: Could not resolve module: org.eclipse.papyrus.uml.architecture [522]

  Unresolved requirement: Require-Bundle: org.eclipse.papyrus.uml.diagram.sequence; bundle-version="[5.0.0,6.0.0)"

 

This is kind of strange, since this bundle is only 4.0.0

 

osgi> lb -s org.eclipse.papyrus.uml.diagram.sequence

START LEVEL 6

   ID|State      |Level|Symbolic name

  549|Active     |    4|org.eclipse.papyrus.uml.diagram.sequence (4.0.0.201710270144)

 

When checking a bit closer, it turns out that, for the latest nightly builds of both Papyrus Oxygen and Papyrus Photon, the version, including the qualifier, is identical for this plugin, i.e. they both have the version 1.1.0 with the same time stamp 201710270144.

 

https://hudson.eclipse.org/papyrus/job/Papyrus-Master/lastSuccessfulBuild/artifact/repository/plugins/org.eclipse.papyrus.uml.architecture_1.1.0.201710270144.jar

https://hudson.eclipse.org/papyrus/job/Papyrus-Oxygen/lastSuccessfulBuild/artifact/repository/plugins/org.eclipse.papyrus.uml.architecture_1.1.0.201710270144.jar

 

This in its turn I guess causes the shared p2 bundle pool to become a bit confused, and it manages to install the Photon version of the org.eclipse.papyrus.uml.architecture bundle into the Oxygen installation, thus causing the bundle to never load to the unresolved requirement.

 

When analyzing the bundle pool with the Eclipse Installer, one can indeed see the same version of the bundle being installed in both my Oxygen and my Photon installation:

 

I am not sure why the time stamps are identical, i.e. both 201710270144. Is a time triggered build that happens *exactly* the same time for both Oxygen and Photon that causes this? Most of the time the time stamps are different, when triggered by commit on its respective branch.

 

Should the org.eclipse.papyrus.uml.architecture bundle really have version 1.1.0 for both Oxygen and Photon, when it actually have different content and different dependencies with different version ranges?

 

Or is this just a flaw with how the shared p2 bundle pool in the Eclipse Installer works?

 

/Peter Cigéhn




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