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https://issues.apache.org/jira/browse/HDFS-12384?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16150081#comment-16150081
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Sean Busbey commented on HDFS-12384:
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Ah. The correct solution is to update the exclusions that determine which
shaded artifact the new classes go into; they should only go into one. If a
downstream client needs the curator classes in order to interact with HDFS,
then they should only be in the hadoop-client-runtime (which would mean
updating the pom for hadoop-client-minicluster to exclude them).
You can see an example of excluding all of the curator-client from
hadoop-client-minicluster:
https://github.com/apache/hadoop/blob/ce797a170669524224cfeaaf70647047e7626816/hadoop-client-modules/hadoop-client-minicluster/pom.xml#L137
If you need to just exclude some specific classes then take a look at the set
of filters:
https://github.com/apache/hadoop/blob/ce797a170669524224cfeaaf70647047e7626816/hadoop-client-modules/hadoop-client-minicluster/pom.xml#L603
> Fixing compilation issue with BanDuplicateClasses
> -------------------------------------------------
>
> Key: HDFS-12384
> URL: https://issues.apache.org/jira/browse/HDFS-12384
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: fs
> Reporter: Íñigo Goiri
> Assignee: Íñigo Goiri
> Fix For: HDFS-10467
>
> Attachments: HDFS-12384-HDFS-10467-000.patch
>
>
> {{hadoop-client-modules}} is failing because of dependences added by
> {{CuratorManager}}:
> {code}
> [INFO] Adding ignore: *
> [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/org/apache/curator/framework/api/DeleteBuilder.class
>
> org/apache/hadoop/shaded/org/apache/curator/framework/CuratorFramework.class
> {code}
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