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https://issues.apache.org/jira/browse/OOZIE-1518?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13760655#comment-13760655
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Rohini Palaniswamy commented on OOZIE-1518:
-------------------------------------------

To clarify more,

 - Admin puts sharelib dirs of pig,hive,etc under here 
/user/oozie/share/lib-staging
 - Oozie server(s) copy that to /user/oozie/share/lib/tmpXXXX on startup. It 
also copies launcher jars from WEB-INF/lib into 
/user/oozie/share/lib/tmpXXXX/oozie on startup

                
> Copy action sharelib jars from hdfs 
> ------------------------------------
>
>                 Key: OOZIE-1518
>                 URL: https://issues.apache.org/jira/browse/OOZIE-1518
>             Project: Oozie
>          Issue Type: Bug
>            Reporter: Virag Kothari
>
> OOZIE-1461 will copy the launcher related sharelib jars from Oozie's 
> classpath to hdfs.
> This JIRA aims to copy the jars from an hdfs staging dir. This staging dir 
> will typically contain action related jars. 
> OOZIE-1461 always creates a sharelib with new timestamp. This JIRA will make 
> sure that only if either the action jars or launcher jars are modified, then 
> a new sharelib is created.   
>  

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