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From "Apache Spark (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (SPARK-20466) HadoopRDD#addLocalConfiguration throws NPE
Date Mon, 02 Oct 2017 21:05:00 GMT

     [ https://issues.apache.org/jira/browse/SPARK-20466?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Apache Spark reassigned SPARK-20466:
------------------------------------

    Assignee:     (was: Apache Spark)

> HadoopRDD#addLocalConfiguration throws NPE
> ------------------------------------------
>
>                 Key: SPARK-20466
>                 URL: https://issues.apache.org/jira/browse/SPARK-20466
>             Project: Spark
>          Issue Type: Bug
>          Components: YARN
>    Affects Versions: 2.0.2
>            Reporter: liyunzhang_intel
>            Priority: Minor
>         Attachments: NPE_log
>
>
> in spark2.0.2, it throws NPE
> {code}
>   17/04/23 08:19:55 ERROR executor.Executor: Exception in task 439.0 in stage 16.0 (TID
986)$ 
> java.lang.NullPointerException$
> ^Iat org.apache.spark.rdd.HadoopRDD$.addLocalConfiguration(HadoopRDD.scala:373)$
> ^Iat org.apache.spark.rdd.HadoopRDD$$anon$1.<init>(HadoopRDD.scala:243)$
> ^Iat org.apache.spark.rdd.HadoopRDD.compute(HadoopRDD.scala:208)$
> ^Iat org.apache.spark.rdd.HadoopRDD.compute(HadoopRDD.scala:101)$
> ^Iat org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:319)$
> ^Iat org.apache.spark.rdd.RDD.iterator(RDD.scala:283)$
> ^Iat org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:38)$
> ^Iat org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:319)$
> ^Iat org.apache.spark.rdd.RDD.iterator(RDD.scala:283)$
> ^Iat org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:70)$
> ^Iat org.apache.spark.scheduler.Task.run(Task.scala:86)$
> ^Iat org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:274)$
> ^Iat java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)$
> ^Iat java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)$
> ^Iat java.lang.Thread.run(Thread.java:745)$
> {code}
> suggestion to add some code to avoid NPE
> {code} 
>    /** Add Hadoop configuration specific to a single partition and attempt. */
>   def addLocalConfiguration(jobTrackerId: String, jobId: Int, splitId: Int, attemptId:
Int,
>                             conf: JobConf) {
>     val jobID = new JobID(jobTrackerId, jobId)
>     val taId = new TaskAttemptID(new TaskID(jobID, TaskType.MAP, splitId), attemptId)
>     if ( conf != null){
>     conf.set("mapred.tip.id", taId.getTaskID.toString)
>     conf.set("mapred.task.id", taId.toString)
>     conf.setBoolean("mapred.task.is.map", true)
>     conf.setInt("mapred.task.partition", splitId)
>     conf.set("mapred.job.id", jobID.toString)
>    }
>   }
> {code}



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