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https://issues.apache.org/jira/browse/HBASE-9213?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13739200#comment-13739200
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Elliott Clark commented on HBASE-9213:
--------------------------------------

Check out HBASE-8224.  

The solution there is basically the same solution that the entire scala build 
chain used [1].  They had a build tool on top of maven/ivy.  Instead we have 
stack's script[2]

[1] http://www.scala-sbt.org/0.13.0/docs/Detailed-Topics/Cross-Build.html
[2] 
https://github.com/apache/hbase/blob/trunk/dev-support/generate-hadoopX-poms.sh
                
> create a unified shim for hadoop 1 and 2 so that there's one build of HBase
> ---------------------------------------------------------------------------
>
>                 Key: HBASE-9213
>                 URL: https://issues.apache.org/jira/browse/HBASE-9213
>             Project: HBase
>          Issue Type: Brainstorming
>          Components: build
>            Reporter: Sergey Shelukhin
>             Fix For: 0.96.0
>
>
> This is a brainstorming JIRA. Working with HBase dependency at this point 
> seems to be rather painful from what I hear from other folks. We could do the 
> hive model with unified shim, built in such manner that it can work with 
> either version, where at build time dependencies for all 2-3 versions are 
> pulled and the appropriate one is used for tests, and when running HBase you 
> have to point at Hadoop directory to get the dependencies. I am not very 
> proficient at maven so not quite certain of the best solution yet.

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