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https://issues.apache.org/jira/browse/HDDS-691?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16656265#comment-16656265
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Tsz Wo Nicholas Sze commented on HDDS-691:
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Hi [~elek], below are the rationale behind the patch
- First of all, the hadoop-common dependency in hadoop-hdds/common/pom.xml is
obviously redundant since the parent hadoop-hdds/pom.xml already has it.
- From the dependency convergence error, the grandparent
hadoop-project-dist/pom.xml already has the hadoop-annotations dependency.
hadoop-hdds/common/pom.xml gets hadoop-annotations again from the hadoop-common
dependency. If we set the scope to "provided" for hadoop-common in
hadoop-hdds/common/pom.xml, the dependency becomes non-transitive so that it
won't get hadoop-annotations again.
BTW, the hadoop-common dependency in hadoop-hdfs/pom.xml is also "provided". We
probably should do the same for hadoop-hdds?
> Dependency convergence error for org.apache.hadoop:hadoop-annotations
> ---------------------------------------------------------------------
>
> Key: HDDS-691
> URL: https://issues.apache.org/jira/browse/HDDS-691
> Project: Hadoop Distributed Data Store
> Issue Type: Bug
> Reporter: Tsz Wo Nicholas Sze
> Assignee: Tsz Wo Nicholas Sze
> Priority: Major
> Attachments: HDDS-691_20181018.patch
>
>
> {code}
> [WARNING]
> Dependency convergence error for
> org.apache.hadoop:hadoop-annotations:3.3.0-SNAPSHOT paths to dependency are:
> +-org.apache.hadoop:hadoop-hdds-common:0.4.0-SNAPSHOT
> +-org.apache.hadoop:hadoop-common:3.3.0-20181017.235917-140
> +-org.apache.hadoop:hadoop-annotations:3.3.0-SNAPSHOT
> and
> +-org.apache.hadoop:hadoop-hdds-common:0.4.0-SNAPSHOT
> +-org.apache.hadoop:hadoop-common:3.3.0-20181017.235917-140
> +-org.apache.hadoop:hadoop-annotations:3.3.0-SNAPSHOT
> and
> +-org.apache.hadoop:hadoop-hdds-common:0.4.0-SNAPSHOT
> +-org.apache.hadoop:hadoop-annotations:3.3.0-20181017.235840-140
> [WARNING] Rule 0: org.apache.maven.plugins.enforcer.DependencyConvergence
> failed with message:
> {code}
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