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Posted to issues@spark.apache.org by "Weichen Xu (JIRA)" <ji...@apache.org> on 2017/08/22 03:57:02 UTC
[jira] [Commented] (SPARK-21801) SparkR unit test randomly fail on
trees
[ https://issues.apache.org/jira/browse/SPARK-21801?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16136229#comment-16136229 ]
Weichen Xu commented on SPARK-21801:
------------------------------------
cc [~felixcheung] Can you help fix this ?
> SparkR unit test randomly fail on trees
> ---------------------------------------
>
> Key: SPARK-21801
> URL: https://issues.apache.org/jira/browse/SPARK-21801
> Project: Spark
> Issue Type: Bug
> Components: SparkR, Tests
> Affects Versions: 2.2.0
> Reporter: Weichen Xu
> Priority: Critical
>
> SparkR unit test sometimes will randomly occur such error:
> ```
> 1. Error: spark.randomForest (@test_mllib_tree.R#236) --------------------------
> java.lang.IllegalArgumentException: requirement failed: The input column stridx_87ea3065aeb2 should have at least two distinct values.
> ```
> or
> ```
> 1. Error: spark.decisionTree (@test_mllib_tree.R#353) --------------------------
> java.lang.IllegalArgumentException: requirement failed: The input column stridx_d6a0b492cfa1 should have at least two distinct values.
> ```
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