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From Maciej Bryński (JIRA) <j...@apache.org>
Subject [jira] [Commented] (SPARK-12807) Spark External Shuffle not working in Hadoop clusters with Jackson 2.2.3
Date Fri, 15 Jan 2016 20:22:39 GMT

    [ https://issues.apache.org/jira/browse/SPARK-12807?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15102416#comment-15102416
] 

Maciej Bryński commented on SPARK-12807:
----------------------------------------

Sean,
Maybe it's possible to compile YARN Shuffle with different version of Jackson than version
using by Spark Core ?

> Spark External Shuffle not working in Hadoop clusters with Jackson 2.2.3
> ------------------------------------------------------------------------
>
>                 Key: SPARK-12807
>                 URL: https://issues.apache.org/jira/browse/SPARK-12807
>             Project: Spark
>          Issue Type: Bug
>          Components: Shuffle, YARN
>    Affects Versions: 1.6.0
>         Environment: A Hadoop cluster with Jackson 2.2.3, spark running with dynamic
allocation enabled
>            Reporter: Steve Loughran
>            Priority: Critical
>
> When you try to try to use dynamic allocation on a Hadoop 2.6-based cluster, you get
to see a stack trace in the NM logs, indicating a jackson 2.x version mismatch.
> (reported on the spark dev list)



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