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https://issues.apache.org/jira/browse/MNG-5980?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15151392#comment-15151392
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Michael Osipov commented on MNG-5980:
-------------------------------------
I have observed this recently too while fixing a component. It does not apply a
nearest-leaf-in-tree logic.
> DependencyGraphBuilder gives different results depending on the order of
> dependencies in the pom
> ------------------------------------------------------------------------------------------------
>
> Key: MNG-5980
> URL: https://issues.apache.org/jira/browse/MNG-5980
> Project: Maven
> Issue Type: Bug
> Components: Dependencies, Plugin API
> Environment: Kubuntu 14.10
> Java 8
> Maven 3.0.5/3.3.9
> maven-dependency-tree 2.1/3.0
> Reporter: Gerrit Daniels
> Attachments: dependency-graph-builder-bug.zip
>
>
> I'm getting different results when using DependencyGraphBuilder in a plugin
> depending on the order in which the dependencies are defined in the pom of
> the project the plugin is running on. I have created some test projects to
> reproduce the bug.
> - actual-dependency: This is the dependency that moves when changing the
> order in the pom.
> - test-dependency: Depends on the actual-dependency with compile scope.
> - compile-dependency: Also depends on the actual-dependency with compile
> scope.
> - main-project: Depends on the test-dependency with test scope and on the
> compile-dependency with compile scope. Has the plugin configured.
> - plugin: Builds the dependency graph.
> When running maven with the -X switch on the main project with the
> test-dependency declared first in the pom I get the following dependency
> graph:
> {code}
> [DEBUG] com.qmino:main-project:jar:1.0-SNAPSHOT
> [DEBUG] com.qmino:test-dependency:jar:1.0-SNAPSHOT:test
> [DEBUG] com.qmino:actual-dependency:jar:1.0-SNAPSHOT:compile
> [DEBUG] com.qmino:compile-dependency:jar:1.0-SNAPSHOT:compile
> {code}
> When I change the order of the dependencies I get:
> {code}
> [DEBUG] com.qmino:main-project:jar:1.0-SNAPSHOT
> [DEBUG] com.qmino:compile-dependency:jar:1.0-SNAPSHOT:compile
> [DEBUG] com.qmino:actual-dependency:jar:1.0-SNAPSHOT:compile
> [DEBUG] com.qmino:test-dependency:jar:1.0-SNAPSHOT:test
> {code}
> It seems to me that the order of the dependencies shouldn't change the
> results. In both cases I would expect the second output, since the compile
> scope should overrule the test scope.
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