cstamas@marvin maven-3$ mvn clean install
[INFO] Scanning for projects...
[WARNING]
[WARNING] Some problems were encountered while building the effective model for org.apache.maven:maven-core:jar:3.0.2-SONATYPE-SNAPSHOT
[WARNING] 'dependencyManagement.dependencies.dependency.(groupId:artifactId:type:classifier)' must be unique: org.sonatype.maven:wagon-ahc:jar -> duplicate declaration of version 1.0.0 @ org.apache.maven:maven:3.0.2-SONATYPE-SNAPSHOT, /Users/cstamas/worx/sonatype/maven-3/pom.xml, line 294, column 19
[WARNING]
[WARNING] Some problems were encountered while building the effective model for org.apache.maven:maven:pom:3.0.2-SONATYPE-SNAPSHOT
[WARNING] 'dependencyManagement.dependencies.dependency.(groupId:artifactId:type:classifier)' must be unique: org.sonatype.maven:wagon-ahc:jar -> duplicate declaration of version 1.0.0 @ line 294, column 19
[WARNING]
[WARNING] It is highly recommended to fix these problems because they threaten the stability of your build.
[WARNING]
[WARNING] For this reason, future Maven versions might no longer support building such malformed projects.
[WARNING]
[INFO] ------------------------------------------------------------------------
[INFO] Reactor Build Order:
[INFO]
[INFO] Apache Maven
[INFO] Maven Model
[INFO] Maven Settings
[INFO] Maven Settings Builder
[INFO] Maven Repository Metadata Model
[INFO] Maven Artifact
[INFO] Maven Plugin API
[INFO] Maven Model Builder
[INFO] Maven Aether Provider
[INFO] Maven Core
[INFO] Maven Compat
[INFO] Maven Embedder
[INFO] Maven Distribution
[INFO]
[INFO] ------------------------------------------------------------------------
[INFO] Building Apache Maven 3.0.2-SONATYPE-SNAPSHOT
[INFO] ------------------------------------------------------------------------
[INFO]
[INFO] --- maven-clean-plugin:2.3:clean (default-clean) @ maven ---