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https://jira.codehaus.org/browse/MNG-5156?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Benjamin Bentmann updated MNG-5156:
-----------------------------------
Attachment: pom.xml
An actual example POM demonstrating the issue would be appreciated because the
attached minimal POM, created after your description, i.e. having a dirty tree
like
{noformat}
test:test:jar:0.1-SNAPSHOT
org.codehaus.plexus:plexus-utils:jar:2.0.6:test
org.apache.maven:maven-model:jar:3.0.3:compile
org.codehaus.plexus:plexus-utils:jar:2.0.6:compile
{noformat}
does not exhibit the issue, i.e. plexus-utils keeps its directly declared test
scope.
bq. So, no attention is paid whether the dependency is direct or transitive
You might want to re-read lines 68-72 and 132.
> org.sonatype.aether.util.graph.transformer.JavaEffectiveScopeCalculator
> doesn't take into account direct vs. transitive dependencies
> ------------------------------------------------------------------------------------------------------------------------------------
>
> Key: MNG-5156
> URL: https://jira.codehaus.org/browse/MNG-5156
> Project: Maven 2 & 3
> Issue Type: Bug
> Components: Dependencies
> Affects Versions: 3.0.2, 3.0.3
> Environment: Irrelevant (I debugged the code and I provide an exact
> location of the problem)
> Reporter: Bisser
> Priority: Minor
> Attachments: pom.xml
>
>
> When calculating the scope of a dependency, Maven should assign to direct
> dependencies higher priority than transitive dependencies.
> For example:
> com.acme:root:jar:1.0.0
> +- com.acme:test-framework:jar:1.0.0:test <<<<<<<<<<<<<
> direct dependency
> \- com.acme:another-module:jar:1.0.0:compile
> \- com.acme:test-framework:jar:1.0.0:compile <<<<<<<<<<<<<
> transitive dependency
> We can see that the 'root' project references test-framework directly with
> scope 'test'. However, the same test-framework also has a 'compile' scope,
> but via a transitive dependency. I believe that the final scope should be
> 'test' -- that's the explicit desire of the author of project 'root'.
> However, when I do roughly the following:
> ProjectBuilder projectBuilder =
> plexusContainer.lookup(ProjectBuilder.class);
> ProjectBuildingRequest projectBuildingRequest = ....;
> projectBuildingRequest.setResolveDependencies(true);
> ...
> ProjectBuildingResult result = projectBuilder.build(pom,
> projectBuildingRequest);
> MavenProject proj = result.getProject();
> ...
> Set<Artifact> artifacts = proj.getArtifacts();
> The 'test-framework' Artifact has a scope of 'compile'!!! (I will provide
> more code, if you'd like.)
> After some debugging to find out the reason for this, I reached class
> org.sonatype.aether.util.graph.transformer.JavaEffectiveScopeCalculator.
> There, in method chooseEffectiveScope, there's the following code:
> else if ( scopes.contains( JavaScopes.COMPILE ) )
> {
> effectiveScope = JavaScopes.COMPILE;
> }
> So, no attention is paid whether the dependency is direct or transitive. If
> there's *any* dependency with scope 'compile', then the conflict is resolved
> by setting the final scope to 'compile'. But, as I said above, I believe the
> final scope should be 'test'.
> Here's a relevant stack trace:
> JavaEffectiveScopeCalculator.chooseEffectiveScope(Set<String>) line: 220
> JavaEffectiveScopeCalculator.resolve(ConflictGroup, Map<?,?>, Set<?>) line:
> 139
> JavaEffectiveScopeCalculator.transformGraph(DependencyNode,
> DependencyGraphTransformationContext) line: 92
> ChainedDependencyGraphTransformer.transformGraph(DependencyNode,
> DependencyGraphTransformationContext) line: 75
> DefaultDependencyCollector.collectDependencies(RepositorySystemSession,
> CollectRequest) line: 253
> DefaultRepositorySystem.collectDependencies(RepositorySystemSession,
> CollectRequest) line: 345
> DefaultProjectDependenciesResolver.resolve(DependencyResolutionRequest) line:
> 131
> DefaultProjectBuilder.build(File, ModelSource,
> DefaultProjectBuilder$InternalConfig) line: 166
> DefaultProjectBuilder.build(ModelSource, ProjectBuildingRequest) line: 108
> .
> .
> .
> By the way, the Dependency Plugin reports this:
> ...
> +- com.acme:test-framework:jar:1.0.0:test (scope not updated to compile)
> The plugin resolves the conflict properly! The scope remains 'test', it's not
> set to 'compile'.
> I detected this problem with versions 3.0.3 and 3.0.2. It might be present in
> other versions too but I didn't bother to check any more versions.
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