Vasilii Gulevich created MNG-8711:
-------------------------------------
Summary: "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
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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