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https://issues.apache.org/jira/browse/MNG-8711?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Slawomir Jaranowski reassigned MNG-8711:
----------------------------------------
Assignee: Slawomir Jaranowski
> "Duplicate artifact" in LifecycleDependencyResolver
> ---------------------------------------------------
>
> Key: MNG-8711
> URL: https://issues.apache.org/jira/browse/MNG-8711
> Project: Maven
> Issue Type: Bug
> Components: Core
> Affects Versions: 3.9.9
> Reporter: Vasilii Gulevich
> Assignee: Slawomir Jaranowski
> Priority: Major
> Labels: backport
> Fix For: 3.9.10
>
>
> When building a multimodule project with "--threads=10" argument, following
> exception happens:
> {code:java}
> java.lang.IllegalStateException: Duplicate artifact resolution result for
> project org.eclipse.rcptt:ecl:2.6.0-SNAPSHOT
> at
> org.apache.maven.project.artifact.DefaultProjectArtifactsCache.assertUniqueKey
> (DefaultProjectArtifactsCache.java:207)
> at org.apache.maven.project.artifact.DefaultProjectArtifactsCache.put
> (DefaultProjectArtifactsCache.java:196)
> at
> org.apache.maven.lifecycle.internal.LifecycleDependencyResolver.resolveProjectDependencies
> (LifecycleDependencyResolver.java:138)
> at
> org.apache.maven.lifecycle.internal.MojoExecutor.ensureDependenciesAreResolved
> (MojoExecutor.java:368)
> at org.apache.maven.lifecycle.internal.MojoExecutor.doExecute
> (MojoExecutor.java:313)
> at org.apache.maven.lifecycle.internal.MojoExecutor.execute
> (MojoExecutor.java:212)
> at org.apache.maven.lifecycle.internal.MojoExecutor.execute
> (MojoExecutor.java:174)
> at org.apache.maven.lifecycle.internal.MojoExecutor.access$000
> (MojoExecutor.java:75)
> at org.apache.maven.lifecycle.internal.MojoExecutor$1.run
> (MojoExecutor.java:162)
> at org.apache.maven.plugin.DefaultMojosExecutionStrategy.execute
> (DefaultMojosExecutionStrategy.java:39)
> at org.apache.maven.lifecycle.internal.MojoExecutor.execute
> (MojoExecutor.java:159)
> at
> org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject
> (LifecycleModuleBuilder.java:105)
> at io.takari.maven.builder.smart.SmartBuilderImpl.buildProject
> (SmartBuilderImpl.java:206)
> at io.takari.maven.builder.smart.SmartBuilderImpl$ProjectBuildTask.run
> (SmartBuilderImpl.java:71)
> at java.util.concurrent.Executors$RunnableAdapter.call
> (Executors.java:572)
> at java.util.concurrent.FutureTask.run (FutureTask.java:317)
> at java.util.concurrent.ThreadPoolExecutor.runWorker
> (ThreadPoolExecutor.java:1144)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run
> (ThreadPoolExecutor.java:642)
> at java.lang.Thread.run (Thread.java:1583) {code}
> This is already fixed in [https://github.com/apache/maven/pull/1425], but is
> not backported to 3.9.x.
>
>
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