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[tycho-user] Weird error when using p2-installable-unit 
Hi,

Im trying to resolve an issue in our test runs where it works when we run with all optional dependencies in PDE but it fails when running without optional in PDE and equally so in Tycho.

In PDE I just need to add "org.eclipse.jdt.launching.macosx" to make the tests pass, but in Tycho that does not help and to top it off I'm getting a weird error:

I started trying to use:

<dependency>
  <type>p2-installable-unit</type>
  <artifactId>org.eclipse.jdt.launching.macosx</artifactId>
   <version>0.0.0</version>
</dependency>

But this give me this really weird error:

[ERROR] Failed to execute goal org.eclipse.tycho:tycho-surefire-plugin:0.13.0:test (default-test) on project org.jboss.tools.ws.jaxrs.core.test: Execution default-test of goal org.eclipse.tycho:tycho-surefire-plugin:0.13.0:test failed: "No solution found because the problem is unsatisfiable.": ["Unable to satisfy dependency from extra-1322304115336 0.0.0.1322304115336 to org.eclipse.jdt.launching.macosx 0.0.0.", "Unable to satisfy dependency from 1322304115347 0.0.0.1322304115347 to org.eclipse.jdt.launching.macosx 0.0.0.", "No solution found because the problem is unsatisfiable."] -> [Help 1]

I don't see anywhere where that "extra-1322304115336"  is coming from ?

If I use:

<dependency>
  <type>eclipse-fragment</type>
  <artifactId>org.eclipse.jdt.launching.macosx</artifactId>
   <version>0.0.0</version>
</dependency>

It loads and the bundle is visible at runtime but i'm still getting test failures.


Thus three questions:

1) Why is Tycho complaining with that error ? it also seem to happen when I just add it to even basic tests with no extra dependencies. 
…or at least any tip on debugging where it is finding extra-* references?

2) Any tips on tracking down which optional dependencies that are magically missing ? (eclipse got about 71 plugins marked as optional so its like looking for a needle in a haystack)

3) Is there any way for a test run to enable "get all the optional dependencies" so it simulates what happens in PDE when launching with "all optional" ? At least so I can verify it actually works
in Tycho too when "everything" is installed ?

Any hints appreciated, thanks
/max
http://about.me/maxandersen

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