Warning: Some problems were encountered while building the effective model for org.apache.hadoop:hadoop-ozone-datanode:jar:1.1.0-SNAPSHOT
Warning: 'dependencies.dependency.(groupId:artifactId:type:classifier)' must be unique: org.apache.hadoop:hadoop-hdds-hadoop-dependency-server:jar -> duplicate declaration of version (?) @ line 41, column 17
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.