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https://issues.apache.org/jira/browse/SPARK-1361?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13988900#comment-13988900
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wangfei commented on SPARK-1361:
--------------------------------
Hi Kousuke Saruta, this issue has already resolved.
https://github.com/apache/spark/pull/186
> DAGScheduler throws NullPointerException occasionally
> -----------------------------------------------------
>
> Key: SPARK-1361
> URL: https://issues.apache.org/jira/browse/SPARK-1361
> Project: Spark
> Issue Type: Bug
> Components: Spark Core
> Affects Versions: 0.9.0
> Reporter: wangfei
> Fix For: 1.0.0
>
>
> DAGScheduler throws this NullPointerException below occasionally when running
> spark apps.
> java.lang.NullPointerException
> at
> org.apache.spark.scheduler.DAGScheduler.executorAdded(DAGScheduler.scala:186)
> at
> org.apache.spark.scheduler.TaskSchedulerImpl.executorAdded(TaskSchedulerImpl.scala:409)
> at
> org.apache.spark.scheduler.TaskSchedulerImpl$$anonfun$resourceOffers$1.apply(TaskSchedulerImpl.scala:210)
> at
> org.apache.spark.scheduler.TaskSchedulerImpl$$anonfun$resourceOffers$1.apply(TaskSchedulerImpl.scala:206)
> at scala.collection.mutable.ArraySeq.foreach(ArraySeq.scala:73)
> at
> org.apache.spark.scheduler.TaskSchedulerImpl.resourceOffers(TaskSchedulerImpl.scala:206)
> at
> org.apache.spark.scheduler.cluster.CoarseGrainedSchedulerBackend$DriverActor.makeOffers(CoarseGrainedSchedulerBackend.scala:130)
> at
> org.apache.spark.scheduler.cluster.CoarseGrainedSchedulerBackend$DriverActor$$anonfun$receive$1.applyOrEls
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