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Posted to issues@spark.apache.org by "Sean Owen (JIRA)" <ji...@apache.org> on 2019/02/20 22:44:00 UTC
[jira] [Resolved] (SPARK-26892) saveAsTextFile throws
NullPointerException when null row present
[ https://issues.apache.org/jira/browse/SPARK-26892?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Sean Owen resolved SPARK-26892.
-------------------------------
Resolution: Fixed
Fix Version/s: 3.0.0
Issue resolved by pull request 23799
[https://github.com/apache/spark/pull/23799]
> saveAsTextFile throws NullPointerException when null row present
> ------------------------------------------------------------------
>
> Key: SPARK-26892
> URL: https://issues.apache.org/jira/browse/SPARK-26892
> Project: Spark
> Issue Type: Bug
> Components: Spark Core
> Affects Versions: 2.4.0
> Reporter: liupengcheng
> Assignee: liupengcheng
> Priority: Major
> Fix For: 3.0.0
>
>
> We encoutered this problem in our production cluster, it can be reproduced by the following code:
> {code:java}
> scala> sc.parallelize(Seq(1,null),1).saveAsTextFile("/tmp/foobar.dat")
> 19/02/15 21:39:17 ERROR Utils: Aborting task
> java.lang.NullPointerException
> at org.apache.spark.rdd.RDD.$anonfun$saveAsTextFile$3(RDD.scala:1510)
> at scala.collection.Iterator$$anon$10.next(Iterator.scala:459)
> at org.apache.spark.internal.io.SparkHadoopWriter$.$anonfun$executeTask$1(SparkHadoopWriter.scala:129)
> at org.apache.spark.util.Utils$.tryWithSafeFinallyAndFailureCallbacks(Utils.scala:1352)
> at org.apache.spark.internal.io.SparkHadoopWriter$.executeTask(SparkHadoopWriter.scala:127)
> at org.apache.spark.internal.io.SparkHadoopWriter$.$anonfun$write$1(SparkHadoopWriter.scala:83)
> at org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:90)
> at org.apache.spark.scheduler.Task.run(Task.scala:121)
> at org.apache.spark.executor.Executor$TaskRunner.$anonfun$run$3(Executor.scala:425)
> at org.apache.spark.util.Utils$.tryWithSafeFinally(Utils.scala:1318)
> at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:428)
> at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> at java.lang.Thread.run(Thread.java:748)
> {code}
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