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From "Steve Loughran (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-8053) Add hadoop-distcp in exclusion in hbase-server dependencies for timelineservice-hbase packages.
Date Fri, 23 Mar 2018 13:33:00 GMT

    [ https://issues.apache.org/jira/browse/YARN-8053?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16411374#comment-16411374
] 

Steve Loughran commented on YARN-8053:
--------------------------------------

we seem to be suffering a losing battle by attempting to pull in a version of hbase built
with an older version of hadoop. As well as hadoop artifacts getting in, we can't safely upgrade
things. Is there any way to unwind this dependency by having {{hadoop-yarn-server-timelineservice-hbase}}
be something which is downstream of both, because loops shouldn't be found in DAGs?

> Add hadoop-distcp in exclusion in hbase-server dependencies for timelineservice-hbase
packages.
> -----------------------------------------------------------------------------------------------
>
>                 Key: YARN-8053
>                 URL: https://issues.apache.org/jira/browse/YARN-8053
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>            Reporter: Rohith Sharma K S
>            Assignee: Rohith Sharma K S
>            Priority: Major
>             Fix For: 3.1.0, yarn-7055, 3.2.0
>
>         Attachments: YARN-8053-YARN-7055.01.patch, YARN-8053.01.patch
>
>
> It is observed that when we change the version number of hadoop leading build failure
because of dependency resolution conflicts for HBase-2 compilation. We see below error which
tells that hbase-server has dependency on hadoop-distcp. We also need to exclude hadoop-distcp
from exclusion list. 
> {code}
> 07:42:36 2018/03/19 14:42:36 INFO    : [ERROR] Failed to execute goal on project hadoop-yarn-server-timelineservice-hbase-client:
Could not resolve dependencies for project org.apache.hadoop:hadoop-yarn-server-timelineservice-hbase-client:jar:3.3.0-SNAPSHOT:
Could not find artifact org.apache.hadoop:hadoop-distcp:jar:3.3.0-SNAPSHOT in public 
> {code}



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