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https://issues.apache.org/jira/browse/BIGTOP-1230?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13915604#comment-13915604
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Gordon Wang commented on BIGTOP-1230:
-------------------------------------

version-less symlinks are more use friendly. As a user, referring to the 
version-less symlink means no code changes in user's app when upgrading hadoop 
cluster.
Moreover, some of the stack components need to refer to jars in other 
components. For example, Oozie will refer to some hadoop jars like 
hadoop-hdfs-2.2.0.jar in it's library path. If there are version-less symlinks, 
Oozie just refer to the symlink hadoop-hdfs.jar without knowing the exact 
version of hadoop.

> Create version-less symlinks for all components
> -----------------------------------------------
>
>                 Key: BIGTOP-1230
>                 URL: https://issues.apache.org/jira/browse/BIGTOP-1230
>             Project: Bigtop
>          Issue Type: Improvement
>          Components: Build
>            Reporter: Hu Liu,
>
> Now Bigtop just created version-less symlinks for hadoop only to offer 
> integration point, Bigtop may need to create the version-less symlinks for 
> other components and use them instead of jar files across different 
> components.



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