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https://issues.apache.org/jira/browse/HADOOP-18642?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17692804#comment-17692804
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Steve Loughran commented on HADOOP-18642:
-----------------------------------------

also, when you scan for deps, hbase is trouble as there's a duplicate import in 
hadoop-project, with different exclusions.


{code}
[WARNING] 
[WARNING] Some problems were encountered while building the effective model for 
org.apache.hadoop:hadoop-azure-datalake:jar:3.3.5
[WARNING] 
'dependencyManagement.dependencies.dependency.(groupId:artifactId:type:classifier)'
 must be unique: org.apache.hbase:hbase-server:jar -> duplicate declaration of 
version ${hbase.version} @ org.apache.hadoop:hadoop-project:3.3.5, 
/Users/stevel/Projects/hadoop-trunk/hadoop-project/pom.xml, line 1785, 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] 

{code}

proposed:
* all those omitted for duplicate are cut, especially slf4j refs. 
* hbase import cleaned up


> Cut excess dependencies from hadoop-azure, hadoop-aliyun transitive imports
> ---------------------------------------------------------------------------
>
>                 Key: HADOOP-18642
>                 URL: https://issues.apache.org/jira/browse/HADOOP-18642
>             Project: Hadoop Common
>          Issue Type: Sub-task
>          Components: fs/azure, fs/oss
>    Affects Versions: 3.3.5
>            Reporter: Steve Loughran
>            Assignee: Steve Loughran
>            Priority: Major
>
> There's too many dependencies coming through transitively from libraries 
> getting into the hadoop-cloud-storage POM, which, while being resolved in 
> hadoop imports, can cause problems elsewhere. Cut those we know are 
> duplicated in hadoop-common



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