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[tycho-user] having Maven provision the eclipse target platform directly from a Maven repository
Hi all

so maybe this is a crazy idea, but I'm wondering if there is a way to circumvent setting up p2 update sites altogether, and have tycho discover and add needed osgi artifacts directly from a maven repository to the target platform?

I was experimenting with the <pomDependencies>consider</pomDependencies> in the target-platform-configuration, but what I've found is 2 problems:

-Eclipse does not recognize these plugins and still shows build errors, since dependencies described in the manifest are not in the workspace,

-while this will instruct Maven to find and download the needed jar file(s), it fails to traverse up the dependency tree because versions are not specified in the manifest of the included plugin :

Require-Bundle: gov.nasa.arc.irg.util;visibility:=reexport,
 org.codehaus.jackson.json;visibility:=reexport,
 com.google.guava;bundle-version="11.0.2";visibility:=reexport

This causes errors like this:
[ERROR]   Missing requirement: gov.nasa.arc.irg.plan 1.0.0.201401082355 requires 'bundle gov.nasa.arc.irg.util 1.0.0' but it could not be found
[ERROR]   Cannot satisfy dependency: gov.nasa.arc.irg.plan.spheres 1.0.0.qualifier depends on: bundle gov.nasa.arc.irg.plan 0.0.0
[ERROR] 
[ERROR] Internal error: java.lang.RuntimeException: No solution found because the problem is unsatisfiable.: [Unable to satisfy dependency from gov.nasa.arc.irg.plan 1.0.0.201401082355 to bundle gov.nasa.arc.irg.util 1.0.0.; Unable to satisfy dependency from gov.nasa.arc.irg.plan 1.0.0.201401082355 to bundle org.codehaus.jackson.json 0.0.0.; No solution found because the problem is unsatisfiable.] -> [Help 1]
org.apache.maven.InternalErrorException: Internal error: java.lang.RuntimeException: No solution found because the problem is unsatisfiable.: [Unable to satisfy dependency from gov.nasa.arc.irg.plan 1.0.0.201401082355 to bundle gov.nasa.arc.irg.util 1.0.0.; Unable to satisfy dependency from gov.nasa.arc.irg.plan 1.0.0.201401082355 to bundle org.codehaus.jackson.json 0.0.0.; No solution found because the problem is unsatisfiable.]

Is this even a feasible idea?

thanks much
Tamar Cohen 
NASA Ames Research Center

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