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From "Pat Ferrel (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAHOUT-2023) Drivers broken, scopt classes not found
Date Thu, 26 Oct 2017 21:40:00 GMT

    [ https://issues.apache.org/jira/browse/MAHOUT-2023?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16221276#comment-16221276
] 

Pat Ferrel commented on MAHOUT-2023:
------------------------------------

While I agree this is a bug, I don't understand the relevance of above PR or the referenced
Jira.

The suspicion of Scopt not having a scala 2.11 is wrong. Scopt is popular and under active
development with many scala versions supported up to 2.12 and back as far as 2.9.3.

There is a problem with the current build here: https://issues.apache.org/jira/browse/MAHOUT-2020
and until it is resolved this bug may be hard to fix since it involves modifying the poms
like 2020 does.

> Drivers broken, scopt classes not found
> ---------------------------------------
>
>                 Key: MAHOUT-2023
>                 URL: https://issues.apache.org/jira/browse/MAHOUT-2023
>             Project: Mahout
>          Issue Type: Bug
>          Components: build
>    Affects Versions: 0.13.1
>         Environment: any
>            Reporter: Pat Ferrel
>            Assignee: Pat Ferrel
>            Priority: Blocker
>             Fix For: 0.13.1
>
>
> Type `mahout spark-itemsimilarity` after Mahout is installed properly and you get a fatal
exception due to missing scopt classes.
> Probably a build issue related to incorrect versions of scopt being looked for.



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