[HDFS-12341] Ozone: maven dist compilation fails with "Duplicate classes found" error

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: HDFS-7240
• Fix Version/s: HDFS-7240
• Component/s: ozone
• Target Version/s: HDFS-7240
• Hadoop Flags: Reviewed
• Assignee: Mukul Kumar Singh
• Reporter: Mukul Kumar Singh
• Created: 23/Aug/17 15:22
• Updated: 26/Apr/18 21:53
• Resolved: 25/Aug/17 06:41

Description

mvn package -Pdist -DskipTests -Dtar -Dmaven.javadoc.skip=true fails with the following error

[WARNING] Rule 1: org.apache.maven.plugins.enforcer.BanDuplicateClasses failed with message:
Duplicate classes found:

  Found in:
    org.apache.hadoop:hadoop-client-minicluster:jar:3.0.0-beta1-SNAPSHOT:compile
    org.apache.hadoop:hadoop-client-runtime:jar:3.0.0-beta1-SNAPSHOT:compile
  Duplicate classes:
    org/apache/hadoop/shaded/io/netty/buffer/ByteBufProcessor$3.class
    org/apache/hadoop/shaded/io/netty/handler/codec/sctp/SctpOutboundByteStreamHandler.class
    org/apache/hadoop/shaded/io/netty/handler/codec/rtsp/RtspObjectEncoder.class
    org/apache/hadoop/shaded/io/netty/channel/AbstractChannel$AbstractUnsafe.class