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https://issues.apache.org/jira/browse/SPARK-8797?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Josh Rosen resolved SPARK-8797.
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Resolution: Fixed
Fix Version/s: 1.5.0
Issue resolved by pull request 7194
[https://github.com/apache/spark/pull/7194]
> Sorting float/double column containing NaNs can lead to "Comparison method
> violates its general contract!" errors
> -----------------------------------------------------------------------------------------------------------------
>
> Key: SPARK-8797
> URL: https://issues.apache.org/jira/browse/SPARK-8797
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
> Affects Versions: 1.3.0, 1.4.0, 1.5.0
> Reporter: Josh Rosen
> Assignee: Josh Rosen
> Priority: Critical
> Fix For: 1.5.0
>
>
> When sorting a float or double column that contains NaN (not a number)
> values, TimSort may throw a ""Comparison method violates its general
> contract!" error.
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