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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2017/10/02 21:05:00 UTC
[jira] [Commented] (SPARK-20466) HadoopRDD#addLocalConfiguration
throws NPE
[ https://issues.apache.org/jira/browse/SPARK-20466?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16188827#comment-16188827 ]
Apache Spark commented on SPARK-20466:
--------------------------------------
User 'sahilTakiar' has created a pull request for this issue:
https://github.com/apache/spark/pull/19413
> 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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