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https://issues.apache.org/jira/browse/MAHOUT-1939?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15903237#comment-15903237
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ASF GitHub Bot commented on MAHOUT-1939:
----------------------------------------
GitHub user andrewpalumbo opened a pull request:
https://github.com/apache/mahout/pull/293
[MAHOUT-1939] Revert for CLI Driver Fix
fastutils shaded jar was creating an unwanted dependency-reduced-jar in
mahout math. and not being passed to CLI or shell.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/andrewpalumbo/mahout MAHOUT-1939a
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/mahout/pull/293.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #293
----
commit 96c3ad4df614ad31004e5c3cd6e115245c88fc44
Author: Andrew Palumbo <apalu...@apache.org>
Date: 2017-03-09T15:38:34Z
[MAHOUT-1939] Revert for CLI Driver Fix
----
> fastutil version clash with spark distributions
> -----------------------------------------------
>
> Key: MAHOUT-1939
> URL: https://issues.apache.org/jira/browse/MAHOUT-1939
> Project: Mahout
> Issue Type: Bug
> Reporter: Dmitriy Lyubimov
> Assignee: Andrew Palumbo
> Priority: Critical
> Fix For: 0.13.0
>
>
> Version difference in fast util breaks sparse algebra (specifically,
> RandomAccessSparseVector in assign, e.g., vec *= 5).
> observed version in CDH:
>
> file:/opt/cloudera/parcels/CDH-5.9.0-1.cdh5.9.0.p0.21/jars/fastutil-6.3.jar
> mahout uses 7.0.12
> java.lang.UnsupportedOperationException
> at
> it.unimi.dsi.fastutil.ints.AbstractInt2DoubleMap$BasicEntry.setValue(AbstractInt2DoubleMap.java:146)
> at
> org.apache.mahout.math.RandomAccessSparseVector$RandomAccessElement.set(RandomAccessSparseVector.java:235)
> at
> org.apache.mahout.math.VectorView$DecoratorElement.set(VectorView.java:181)
> at
> org.apache.mahout.math.AbstractVector.assign(AbstractVector.java:536)
> at
> org.apache.mahout.math.scalabindings.RLikeVectorOps.$div$eq(RLikeVectorOps.scala:45)
> ...
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