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From "Prasanth Jayachandran (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-20059) Hive streaming should try shade prefix unconditionally on exception
Date Mon, 02 Jul 2018 21:47:00 GMT

    [ https://issues.apache.org/jira/browse/HIVE-20059?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16530474#comment-16530474
] 

Prasanth Jayachandran commented on HIVE-20059:
----------------------------------------------

There are no tests that affects this change as this code path is not triggered by hive. I
will commit this patch. 

> Hive streaming should try shade prefix unconditionally on exception
> -------------------------------------------------------------------
>
>                 Key: HIVE-20059
>                 URL: https://issues.apache.org/jira/browse/HIVE-20059
>             Project: Hive
>          Issue Type: Bug
>          Components: Streaming
>    Affects Versions: 3.1.0, 4.0.0, 3.2.0
>            Reporter: Prasanth Jayachandran
>            Assignee: Prasanth Jayachandran
>            Priority: Major
>         Attachments: HIVE-20059.1.patch
>
>
> AbstractRecordWriter tries hive.classloader.shade.prefix on ClassNotFoundException but
there are instances where OrcOutputFormat from old hive version gets loaded resulting in ClassCastException.
I think we should try shadeprefix when defined and when any exception is thrown. 



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