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From "Apache Spark (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (SPARK-21801) SparkR unit test randomly fail on trees
Date Tue, 29 Aug 2017 02:10:03 GMT

     [ https://issues.apache.org/jira/browse/SPARK-21801?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Apache Spark reassigned SPARK-21801:
------------------------------------

    Assignee:     (was: Apache Spark)

> 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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