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https://issues.apache.org/jira/browse/MAHOUT-2023?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16280576#comment-16280576
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ASF GitHub Bot commented on MAHOUT-2023:
----------------------------------------
Github user andrewpalumbo commented on a diff in the pull request:
https://github.com/apache/mahout/pull/353#discussion_r155310525
--- Diff: spark/src/main/assembly/dependency-reduced.xml ---
@@ -34,16 +34,15 @@
</unpackOptions>
<scope>runtime</scope>
<outputDirectory>/</outputDirectory>
- <useTransitiveFiltering>true</useTransitiveFiltering>
+ <useProjectArtifact>true</useProjectArtifact>
<includes>
<!-- guava only included to get Preconditions in mahout-math and
mahout-hdfs -->
<include>com.google.guava:guava</include>
- <include>com.github.scopt_${scala.compat.version}</include>
+ <include>com.github.scopt:scopt_2.10</include>
+ <include>com.github.scopt:scopt_2.11</include>
<include>com.tdunning:t-digest</include>
<include>org.apache.commons:commons-math3</include>
<include>it.unimi.dsi:fastutil</include>
-
<include>org.apache.mahout:mahout-native-viennacl_${scala.compat.version}</include>
--- End diff --
can do the same thing as is done with scopt here, ie. include both
versions and then use `buildtools/change-scala-versions.sh` to switch?
> 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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