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https://issues.apache.org/jira/browse/MAHOUT-2023?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16277830#comment-16277830
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ASF GitHub Bot commented on MAHOUT-2023:
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Github user rawkintrevo commented on the issue:
https://github.com/apache/mahout/pull/353
At very least they were both problems.
This fixes the lack of scopt. Considering that scopt now gets picked up, my
gut tells me this is something else. The warning message knows what they are
looking for, just can't find them.
> 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: 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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