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Posted to issues@spark.apache.org by "Josh Rosen (JIRA)" <ji...@apache.org> on 2015/07/09 00:34:05 UTC
[jira] [Resolved] (SPARK-8903) Fix NPE when cross tab elements
contain nulls (branch 1.4)
[ https://issues.apache.org/jira/browse/SPARK-8903?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Josh Rosen resolved SPARK-8903.
-------------------------------
Resolution: Fixed
Fix Version/s: 1.4.1
Issue resolved by pull request 7295
[https://github.com/apache/spark/pull/7295]
> Fix NPE when cross tab elements contain nulls (branch 1.4)
> ----------------------------------------------------------
>
> Key: SPARK-8903
> URL: https://issues.apache.org/jira/browse/SPARK-8903
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 1.4.1
> Reporter: Josh Rosen
> Assignee: Josh Rosen
> Priority: Blocker
> Fix For: 1.4.1
>
>
> The backport of SPARK-8803 to branch-1.4 contains an error:
> It calls
> {code}
> countsRow.setString(0, cleanElement(col1Item.toString))
> {code}
> instead of
> {code}
> countsRow.setString(0, cleanElement(col1Item))
> {code}
> which leads to a NullPointerException when col1Item == null.'
> This caused a test failure in DataFrameStatSuite:
> {code}
> - special crosstab elements (., '', null, ``) *** FAILED ***
> java.lang.NullPointerException:
> at org.apache.spark.sql.execution.stat.StatFunctions$$anonfun$4.apply(StatFunctions.scala:131)
> at org.apache.spark.sql.execution.stat.StatFunctions$$anonfun$4.apply(StatFunctions.scala:121)
> at scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:244)
> at scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:244)
> at scala.collection.immutable.Map$Map4.foreach(Map.scala:181)
> at scala.collection.TraversableLike$class.map(TraversableLike.scala:244)
> at scala.collection.AbstractTraversable.map(Traversable.scala:105)
> at org.apache.spark.sql.execution.stat.StatFunctions$.crossTabulate(StatFunctions.scala:121)
> at org.apache.spark.sql.DataFrameStatFunctions.crosstab(DataFrameStatFunctions.scala:94)
> at org.apache.spark.sql.DataFrameStatSuite$$anonfun$5.apply$mcV$sp(DataFrameStatSuite.scala:97)
> {code}
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