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https://issues.apache.org/jira/browse/MAHOUT-2023?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17217820#comment-17217820
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Pat Ferrel commented on MAHOUT-2023:
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I don't install Mahout as a shell process. This only occurs when trying to use
the cli. So I don't have a good way to test.
At the time this was observed the cli was by far the most common usage of
Mahout.
In modern times the cli may not need to be supported since more robust notebook
or REPL solutions exist I would have no problem personally if we wanted to
remove support for the CLI
-- BUT --
This would necessitate rewriting lots of the Mahout docs for recommenders and
I'm not willing to tackle this since publishing the site is in some state of
blockage afaik.
> 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: Trevor Grant
> Priority: Blocker
> Fix For: 14.2
>
>
> 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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