[jira] [Updated] (OOZIE-2869) OYA: Introduce default mapreduce sharelib

["Andras Piros (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/OOZIE-2869?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andras Piros updated OOZIE-2869:
--------------------------------
    Summary: OYA: Introduce default mapreduce sharelib  (was: OYA: Introduce <mr-jars /> inside <launcher />)

> OYA: Introduce default mapreduce sharelib
> -----------------------------------------
>
>                 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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