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https://issues.apache.org/jira/browse/OOZIE-2869?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15979066#comment-15979066
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Andras Piros commented on OOZIE-2869:
-------------------------------------
[~gezapeti] got it. Reformulating this JIRA, then.
> OYA: Introduce <mr-jars /> inside <launcher />
> ----------------------------------------------
>
> Key: OOZIE-2869
> URL: https://issues.apache.org/jira/browse/OOZIE-2869
> Project: Oozie
> Issue Type: Sub-task
> Components: action
> Affects Versions: 5.0.0
> Reporter: Andras Piros
> Fix For: 5.0.0
>
>
> Since Oozie On YARN doesn't fire a map only job to fire all the other
> applications (hence the transition from {{LauncherMapper}} to
> {{LauncherAM}}), no need to bundle the MapReduce JARs within Oozie's default
> sharelib.
> Nevertheless, it's a common, but discouraged use case that MapReduce tasks
> are fired using Java Action. So we need an XSD extension within
> {{workflow.xsd}}:
> * an {{xs:boolean}} valued {{<mr-jars />}} within {{<launcher />}} within
> {{<application />}}
> * defaults to {{false}}
> * its value is used within
> [{{JavaActionExecutor.needToAddMRJars()}}|https://github.com/apache/oozie/blob/oya/core/src/main/java/org/apache/oozie/action/hadoop/JavaActionExecutor.java#L1342]
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