[ 
https://issues.apache.org/jira/browse/SPARK-20945?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Sean Owen resolved SPARK-20945.
-------------------------------
       Resolution: Fixed
    Fix Version/s: 2.3.0

Issue resolved by pull request 18171
[https://github.com/apache/spark/pull/18171]

> NoSuchElementException key not found in TaskSchedulerImpl
> ---------------------------------------------------------
>
>                 Key: SPARK-20945
>                 URL: https://issues.apache.org/jira/browse/SPARK-20945
>             Project: Spark
>          Issue Type: Bug
>          Components: Scheduler
>    Affects Versions: 2.1.0, 2.1.1
>            Reporter: liupengcheng
>             Fix For: 2.3.0
>
>
> We started spark ThriftServer, however when a job fails it caused the 
> thriftserver also shutted down.
> {quote}
> 2017-05-27,10:34:27,272 INFO 
> org.apache.spark.scheduler.cluster.YarnScheduler: Cancelling stage 21
> 2017-05-27,10:34:27,274 ERROR 
> org.apache.spark.scheduler.DAGSchedulerEventProcessLoop: 
> DAGSchedulerEventProcessLoop failed; shutting down SparkContext
> java.util.NoSuchElementException: key not found: 14100
> at scala.collection.MapLike$class.default(MapLike.scala:228)
> at scala.collection.AbstractMap.default(Map.scala:59)
> at scala.collection.mutable.HashMap.apply(HashMap.scala:65)
> at 
> org.apache.spark.scheduler.TaskSchedulerImpl$$anonfun$cancelTasks$2$$anonfun$apply$3$$anonfun$apply$1.apply$mcVJ$sp(TaskSchedulerImpl.scala:226)
> at 
> org.apache.spark.scheduler.TaskSchedulerImpl$$anonfun$cancelTasks$2$$anonfun$apply$3$$anonfun$apply$1.apply(TaskSchedulerImpl.scala:225)
> at 
> org.apache.spark.scheduler.TaskSchedulerImpl$$anonfun$cancelTasks$2$$anonfun$apply$3$$anonfun$apply$1.apply(TaskSchedulerImpl.scala:225)
> at scala.collection.mutable.HashSet.foreach(HashSet.scala:78)
> at 
> org.apache.spark.scheduler.TaskSchedulerImpl$$anonfun$cancelTasks$2$$anonfun$apply$3.apply(TaskSchedulerImpl.scala:225)
> at 
> org.apache.spark.scheduler.TaskSchedulerImpl$$anonfun$cancelTasks$2$$anonfun$apply$3.apply(TaskSchedulerImpl.scala:218)
> at scala.collection.mutable.HashMap$$anonfun$foreach$1.apply(HashMap.scala:99)
> at scala.collection.mutable.HashMap$$anonfun$foreach$1.apply(HashMap.scala:99)
> at scala.collection.mutable.HashTable$class.foreachEntry(HashTable.scala:230)
> at scala.collection.mutable.HashMap.foreachEntry(HashMap.scala:40)
> at scala.collection.mutable.HashMap.foreach(HashMap.scala:99)
> at 
> org.apache.spark.scheduler.TaskSchedulerImpl$$anonfun$cancelTasks$2.apply(TaskSchedulerImpl.scala:218)
> at 
> org.apache.spark.scheduler.TaskSchedulerImpl$$anonfun$cancelTasks$2.apply(TaskSchedulerImpl.scala:217)
> at scala.Option.foreach(Option.scala:257)
> at 
> org.apache.spark.scheduler.TaskSchedulerImpl.cancelTasks(TaskSchedulerImpl.scala:217)
> at 
> org.apache.spark.scheduler.DAGScheduler$$anonfun$org$apache$spark$scheduler$DAGScheduler$$failJobAndIndependentStages$1.apply$mcVI$sp(DAGScheduler.scala:1461)
> at 
> org.apache.spark.scheduler.DAGScheduler$$anonfun$org$apache$spark$scheduler$DAGScheduler$$failJobAndIndependentStages$1.apply(DAGScheduler.scala:1447)
> at 
> org.apache.spark.scheduler.DAGScheduler$$anonfun$org$apache$spark$scheduler$DAGScheduler$$failJobAndIndependentStages$1.apply(DAGScheduler.scala:1447)
> at scala.collection.mutable.HashSet.foreach(HashSet.scala:78)
> at 
> org.apache.spark.scheduler.DAGScheduler.org$apache$spark$scheduler$DAGScheduler$$failJobAndIndependentStages(DAGScheduler.scala:1447)
> at 
> org.apache.spark.scheduler.DAGScheduler$$anonfun$abortStage$1.apply(DAGScheduler.scala:1423)
> at 
> org.apache.spark.scheduler.DAGScheduler$$anonfun$abortStage$1.apply(DAGScheduler.scala:1422)
> at 
> scala.collection.mutable.ResizableArray$class.foreach(ResizableArray.scala:59)
> at scala.collection.mutable.ArrayBuffer.foreach(ArrayBuffer.scala:48)
> at org.apache.spark.scheduler.DAGScheduler.abortStage(DAGScheduler.scala:1422)
> at 
> org.apache.spark.scheduler.DAGScheduler$$anonfun$handleTaskSetFailed$1.apply(DAGScheduler.scala:802)
> at 
> org.apache.spark.scheduler.DAGScheduler$$anonfun$handleTaskSetFailed$1.apply(DAGScheduler.scala:802)
> at scala.Option.foreach(Option.scala:257)
> at 
> org.apache.spark.scheduler.DAGScheduler.handleTaskSetFailed(DAGScheduler.scala:802)
> at 
> org.apache.spark.scheduler.DAGSchedulerEventProcessLoop.doOnReceive(DAGScheduler.scala:1650)
> at 
> org.apache.spark.scheduler.DAGSchedulerEventProcessLoop.onReceive(DAGScheduler.scala:1605)
> at 
> org.apache.spark.scheduler.DAGSchedulerEventProcessLoop.onReceive(DAGScheduler.scala:1594)
> at org.apache.spark.util.EventLoop$$anon$1.run(EventLoop.scala:48)
> {quote}



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