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Re: [tycho-user] Tycho seems to not pull guice-multibinders properly… possibly because it's a fragment? (Was: Re: Guice and multibinders OSGI versioning and metadata) 
There is no integration between m2e and pde workspace target platform.
This is due to PDE limitations, nothing we can do to improve the
situation, short of rewriting pde, which is not something high in my
priority list at the moment. As a workaround, you have to setup PDE
target platform manually. Either collect required bundles in local
eclipse-installation-like directory structure or use .target file, if
you don't mind guice bits from orbit.

I did not expect Tycho to honour Eclipse-ExtensibleAPI, so I am
surprised you needed it to make command line build work.

--
Regards,
Igor

On 12-06-06 11:16 AM, Christian Edward Gruber wrote:

Hey Igor,

On Jun 4, 2012, at 8:41 PM, Igor Fedorenko wrote:


I attached a working example just in case.


Ok.  Using your test project, I tried several scenarios.  Short version is… it works on the command-line, and fails in M2E.

In order for it to work in Tycho, I needed to either use Orbit's version or a local version of 3.0.1 guice that I built that includes mcculls's fix to include "Eclipse-ExtensibleAPI: true" fix.  In this case, Tycho seems to be able to find things.

However, in Eclipse, somewhere between Tycho, Tycho-m2e, m2e, and the PDE, there's no love.  The com.google.inject.multbindings is not added to the plugin dependencies in the PDE, unless I can get that dependency satisfied from another source, a P2 repository.  But if I want it to come from a maven repository, even with<considerPom>true</considerPom>  active int he config (which it is in your sample project), no go.

PROBABLY IMPORTANT OBSERVATION: Actually, any maven project (even with OSGI metadata) that isn't open in my eclipse workspace as well is not resolved.

To be even clearer - If I have guice and guice-multibinders projects open and updated in eclipse with m2e, everything resolves, and those projects are in my plugin-dependencies.  If the projects are closed, the "cannot resolve" problem in eclipse resumes.  This is after having done a "mvn install" on guice to make sure it can resolve from my local cache, which totally works from the CLI.

(Small side note… aopalliance-1.0.jar has no OSGI metadata, so I had to create  side artifact with felix to bundle its content with some OSGI metadata and include that too if I wanted to use guice-3.0.1 to satisfy multibinders-test's dependency, unless I used Orbit's p2 repo which also repackages that one.)

Is tycho-user@ the right list to keep talking about the m2e-tycho bridge issues? I'm happy to keep trying to debug this with whoever needs to do it.

Environment Details:
Eclipse 3.8-RC2 and 4.2-RC2 (same issues), on ubuntu and Mac OS X lion
M2E 1.1.0.1020530-0009
   ->  Tycho Project Configurators - 0.6.0.201112050222
      ->  PDE 3.8.0.v20120104-1740-blahblahblah
   ->  Other m2e connectors at 0.15.0.201109282249 (build-helper, mavenarchiver)



cheers,
Christian.

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