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Posted to issues@spark.apache.org by "Nayef F.R (JIRA)" <ji...@apache.org> on 2018/02/11 13:20:00 UTC

[jira] [Comment Edited] (SPARK-6772) spark sql error when running code on large number of records

    [ https://issues.apache.org/jira/browse/SPARK-6772?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16359939#comment-16359939 ] 

Nayef F.R edited comment on SPARK-6772 at 2/11/18 1:19 PM:
-----------------------------------------------------------

I have the same problem with Scala spark. Can I know if anyone solved this issue and how? 

after joining my data frames, I converted all Null values to string values but the problem did not solve? 


was (Author: nayef):
I have the same problem with Scala spark. Can I know if anyone solved this issue and how? 

> spark sql error when running code on large number of records
> ------------------------------------------------------------
>
>                 Key: SPARK-6772
>                 URL: https://issues.apache.org/jira/browse/SPARK-6772
>             Project: Spark
>          Issue Type: Test
>          Components: SQL
>    Affects Versions: 1.2.0
>            Reporter: Aditya Parmar
>            Priority: Major
>
> Hi all ,
> I am getting an Arrayoutboundsindex error when i try to run a simple filtering colums query on a file with 2.5 lac records.runs fine when running on a file with 2k records .
> 15/04/09 12:19:01 WARN TaskSetManager: Lost task 1.0 in stage 0.0 (TID 1): java.lang.ArrayIndexOutOfBoundsException: 1
>         at org.apache.spark.sql.catalyst.expressions.GenericRow.apply(Row.scala:142)
>         at org.apache.spark.sql.catalyst.expressions.BoundReference.eval(BoundAttribute.scala:37)
>         at org.apache.spark.sql.catalyst.expressions.InterpretedMutableProjection.apply(Projection.scala:68)
>         at org.apache.spark.sql.catalyst.expressions.InterpretedMutableProjection.apply(Projection.scala:52)
>         at scala.collection.Iterator$$anon$11.next(Iterator.scala:328)
>         at scala.collection.Iterator$$anon$11.next(Iterator.scala:328)
>         at scala.collection.Iterator$$anon$11.next(Iterator.scala:328)
>         at scala.collection.Iterator$$anon$11.next(Iterator.scala:328)
>         at org.apache.spark.rdd.PairRDDFunctions$$anonfun$13.apply(PairRDDFunctions.scala:1060)
>         at org.apache.spark.rdd.PairRDDFunctions$$anonfun$13.apply(PairRDDFunctions.scala:1047)
>         at org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:61)
>         at org.apache.spark.scheduler.Task.run(Task.scala:56)
>         at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:196)
>         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
>         at java.lang.Thread.run(Thread.java:744)
> 15/04/09 12:19:01 INFO TaskSetManager: Starting task 1.1 in stage 0.0 (TID 2, blrwfl11189.igatecorp.com, PROCESS_LOCAL, 1349 bytes)
> 15/04/09 12:19:01 WARN TaskSetManager: Lost task 0.0 in stage 0.0 (TID 0): java.lang.ArrayIndexOutOfBoundsException
> 15/04/09 12:19:01 INFO TaskSetManager: Starting task 0.1 in stage 0.0 (TID 3, blrwfl11189.igatecorp.com, PROCESS_LOCAL, 1349 bytes)
> 15/04/09 12:19:01 INFO TaskSetManager: Lost task 1.1 in stage 0.0 (TID 2) on executor :
>  java.lang.ArrayIndexOutOfBoundsException (null) [duplicate 1]
> 15/04/09 12:19:01 INFO TaskSetManager: Starting task 1.2 in stage 0.0 (TID 4, blrwfl11189.igatecorp.com, PROCESS_LOCAL, 1349 bytes)
> 15/04/09 12:19:01 INFO TaskSetManager: Lost task 1.2 in stage 0.0 (TID 4) on executor : java.lang.ArrayIndexOutOfBoundsException (null) [duplicate 2]
> 15/04/09 12:19:01 INFO TaskSetManager: Starting task 1.3 in stage 0.0 (TID 5, blrwfl11189.igatecorp.com, PROCESS_LOCAL, 1349 bytes)
> 15/04/09 12:19:01 INFO TaskSetManager: Lost task 0.1 in stage 0.0 (TID 3) on executor : java.lang.ArrayIndexOutOfBoundsException (null) [duplicate 3]
> 15/04/09 12:19:01 INFO TaskSetManager: Starting task 0.2 in stage 0.0 (TID 6, blrwfl11189.igatecorp.com, PROCESS_LOCAL, 1349 bytes)
> 15/04/09 12:19:02 INFO TaskSetManager: Lost task 1.3 in stage 0.0 (TID 5) on executor : java.lang.ArrayIndexOutOfBoundsException (null) [duplicate 4]
> 15/04/09 12:19:02 ERROR TaskSetManager: Task 1 in stage 0.0 failed 4 times; aborting job
> 15/04/09 12:19:02 INFO TaskSchedulerImpl: Cancelling stage 0
> 15/04/09 12:19:02 INFO TaskSchedulerImpl: Stage 0 was cancelled
> 15/04/09 12:19:02 INFO DAGScheduler: Job 0 failed: saveAsTextFile at JavaSchemaRDD.scala:42, took 1.958621 s
> Exception in thread "main" org.apache.spark.SparkException: Job aborted due to stage failure: Task 1 in stage 0.0 failed 4 times, most recent failure: Lost task 1.3 in stage 0.0 (TID 5, ): java.lang.ArrayIndexOutOfBoundsException
> Driver stacktrace:
>         at org.apache.spark.scheduler.DAGScheduler.org$apache$spark$scheduler$DAGScheduler$$failJobAndIndependentStages(DAGScheduler.scala:1214)
>         at org.apache.spark.scheduler.DAGScheduler$$anonfun$abortStage$1.apply(DAGScheduler.scala:1203)
>         at org.apache.spark.scheduler.DAGScheduler$$anonfun$abortStage$1.apply(DAGScheduler.scala:1202)
>         at scala.collection.mutable.ResizableArray$class.foreach(ResizableArray.scala:59)
>         at scala.collection.mutable.ArrayBuffer.foreach(ArrayBuffer.scala:47)
>         at org.apache.spark.scheduler.DAGScheduler.abortStage(DAGScheduler.scala:1202)
>         at org.apache.spark.scheduler.DAGScheduler$$anonfun$handleTaskSetFailed$1.apply(DAGScheduler.scala:696)
>         at org.apache.spark.scheduler.DAGScheduler$$anonfun$handleTaskSetFailed$1.apply(DAGScheduler.scala:696)
>         at scala.Option.foreach(Option.scala:236)
>         at org.apache.spark.scheduler.DAGScheduler.handleTaskSetFailed(DAGScheduler.scala:696)
>         at org.apache.spark.scheduler.DAGSchedulerEventProcessActor$$anonfun$receive$2.applyOrElse(DAGScheduler.scala:1420)
>         at akka.actor.Actor$class.aroundReceive(Actor.scala:465)
>         at org.apache.spark.scheduler.DAGSchedulerEventProcessActor.aroundReceive(DAGScheduler.scala:1375)
>         at akka.actor.ActorCell.receiveMessage(ActorCell.scala:516)
>         at akka.actor.ActorCell.invoke(ActorCell.scala:487)
>         at akka.dispatch.Mailbox.processMailbox(Mailbox.scala:238)
>         at akka.dispatch.Mailbox.run(Mailbox.scala:220)
>         at akka.dispatch.ForkJoinExecutorConfigurator$AkkaForkJoinTask.exec(AbstractDispatcher.scala:393)
>         at scala.concurrent.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260)
>         at scala.concurrent.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1339)
>         at scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979)
>         at scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107)
> 15/04/09 12:19:02 WARN TaskSetManager: Lost task 0.2 in stage 0.0 (TID 6, blrwfl11189.igatecorp.com): TaskKilled (killed intentionally)
> 15/04/09 12:19:02 INFO TaskSchedulerImpl: Removed TaskSet 0.0, whose tasks have all completed, from pool
> [aditya@blrwfl11189 ~]$ spark-submit --class engineshow engineshow.jar
> Spark assembly has been built with Hive, including Datanucleus jars on classpath
> Using Spark's default log4j profile: org/apache/spark/log4j-defaults.properties
> 15/04/09 12:22:30 INFO SecurityManager: Changing view acls to: aditya
> 15/04/09 12:22:30 INFO SecurityManager: Changing modify acls to: aditya
> 15/04/09 12:22:30 INFO SecurityManager: SecurityManager: authentication disabled; ui acls disabled; users with view permissions: Set(aditya); users with modify permissions: Set(aditya)
> 15/04/09 12:22:30 INFO Slf4jLogger: Slf4jLogger started
> 15/04/09 12:22:30 INFO Remoting: Starting remoting
> 15/04/09 12:22:31 INFO Remoting: Remoting started; listening on addresses :[akka.tcp://sparkDriver@blrwfl11189.igatecorp.com:47121]
> 15/04/09 12:22:31 INFO Utils: Successfully started service 'sparkDriver' on port 47121.
> 15/04/09 12:22:31 INFO SparkEnv: Registering MapOutputTracker
> 15/04/09 12:22:31 INFO SparkEnv: Registering BlockManagerMaster
> 15/04/09 12:22:31 INFO DiskBlockManager: Created local directory at /tmp/spark-local-20150409122231-c0ed
> 15/04/09 12:22:31 INFO MemoryStore: MemoryStore started with capacity 265.4 MB
> 15/04/09 12:22:31 INFO HttpFileServer: HTTP File server directory is /tmp/spark-6813688b-502e-41e4-ab21-27eb4544986f
> 15/04/09 12:22:31 INFO HttpServer: Starting HTTP Server
> 15/04/09 12:22:31 INFO Utils: Successfully started service 'HTTP file server' on port 37771.
> 15/04/09 12:22:31 INFO Utils: Successfully started service 'SparkUI' on port 4040.
> 15/04/09 12:22:31 INFO SparkUI: Started SparkUI at http://blrwfl11189.igatecorp.com:4040
> 15/04/09 12:22:31 INFO SparkContext: Added JAR file:/home/aditya/engineshow.jar at http://10.212.51.39:37771/jars/engineshow.jar with timestamp 1428562351299
> 15/04/09 12:22:31 INFO AkkaUtils: Connecting to HeartbeatReceiver: akka.tcp://sparkDriver@blrwfl11189.igatecorp.com:47121/user/HeartbeatReceiver
> 15/04/09 12:22:31 INFO NettyBlockTransferService: Server created on 50256
> 15/04/09 12:22:31 INFO BlockManagerMaster: Trying to register BlockManager
> 15/04/09 12:22:31 INFO BlockManagerMasterActor: Registering block manager localhost:50256 with 265.4 MB RAM, BlockManagerId(<driver>, localhost, 50256)
> 15/04/09 12:22:31 INFO BlockManagerMaster: Registered BlockManager
> 15/04/09 12:22:31 INFO MemoryStore: ensureFreeSpace(32768) called with curMem=0, maxMem=278302556
> 15/04/09 12:22:31 INFO MemoryStore: Block broadcast_0 stored as values in memory (estimated size 32.0 KB, free 265.4 MB)
> 15/04/09 12:22:31 INFO MemoryStore: ensureFreeSpace(4959) called with curMem=32768, maxMem=278302556
> 15/04/09 12:22:31 INFO MemoryStore: Block broadcast_0_piece0 stored as bytes in memory (estimated size 4.8 KB, free 265.4 MB)
> 15/04/09 12:22:31 INFO BlockManagerInfo: Added broadcast_0_piece0 in memory on localhost:50256 (size: 4.8 KB, free: 265.4 MB)
> 15/04/09 12:22:31 INFO BlockManagerMaster: Updated info of block broadcast_0_piece0
> 15/04/09 12:22:31 INFO SparkContext: Created broadcast 0 from textFile at engineshow.java:32
> 15/04/09 12:22:32 INFO HiveMetaStore: 0: Opening raw store with implemenation class:org.apache.hadoop.hive.metastore.ObjectStore
> 15/04/09 12:22:32 INFO ObjectStore: ObjectStore, initialize called
> 15/04/09 12:22:32 INFO Persistence: Property datanucleus.cache.level2 unknown - will be ignored
> 15/04/09 12:22:32 INFO Persistence: Property hive.metastore.integral.jdo.pushdown unknown - will be ignored
> 15/04/09 12:22:32 WARN Connection: BoneCP specified but not present in CLASSPATH (or one of dependencies)
> 15/04/09 12:22:32 WARN Connection: BoneCP specified but not present in CLASSPATH (or one of dependencies)
> 15/04/09 12:22:33 INFO ObjectStore: Setting MetaStore object pin classes with hive.metastore.cache.pinobjtypes="Table,StorageDescriptor,SerDeInfo,Partition,Database,Type,FieldSchema,Order"
> 15/04/09 12:22:33 INFO MetaStoreDirectSql: MySQL check failed, assuming we are not on mysql: Lexical error at line 1, column 5.  Encountered: "@" (64), after : "".
> 15/04/09 12:22:34 INFO Datastore: The class "org.apache.hadoop.hive.metastore.model.MFieldSchema" is tagged as "embedded-only" so does not have its own datastore table.
> 15/04/09 12:22:34 INFO Datastore: The class "org.apache.hadoop.hive.metastore.model.MOrder" is tagged as "embedded-only" so does not have its own datastore table.
> 15/04/09 12:22:34 INFO Datastore: The class "org.apache.hadoop.hive.metastore.model.MFieldSchema" is tagged as "embedded-only" so does not have its own datastore table.
> 15/04/09 12:22:34 INFO Datastore: The class "org.apache.hadoop.hive.metastore.model.MOrder" is tagged as "embedded-only" so does not have its own datastore table.
> 15/04/09 12:22:34 INFO Query: Reading in results for query "org.datanucleus.store.rdbms.query.SQLQuery@0" since the connection used is closing
> 15/04/09 12:22:34 INFO ObjectStore: Initialized ObjectStore
> 15/04/09 12:22:34 INFO HiveMetaStore: Added admin role in metastore
> 15/04/09 12:22:34 INFO HiveMetaStore: Added public role in metastore
> 15/04/09 12:22:34 INFO HiveMetaStore: No user is added in admin role, since config is empty
> 15/04/09 12:22:34 INFO SessionState: No Tez session required at this point. hive.execution.engine=mr.
> 15/04/09 12:22:35 INFO ParseDriver: Parsing command: select a,b from comp1
> 15/04/09 12:22:35 INFO ParseDriver: Parse Completed
> 15/04/09 12:22:35 WARN LoadSnappy: Snappy native library is available
> 15/04/09 12:22:35 WARN NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where applicable
> 15/04/09 12:22:35 WARN LoadSnappy: Snappy native library not loaded
> 15/04/09 12:22:35 INFO FileInputFormat: Total input paths to process : 1
> 15/04/09 12:22:35 INFO SparkContext: Starting job: saveAsTextFile at JavaSchemaRDD.scala:42
> 15/04/09 12:22:35 INFO DAGScheduler: Got job 0 (saveAsTextFile at JavaSchemaRDD.scala:42) with 2 output partitions (allowLocal=false)
> 15/04/09 12:22:35 INFO DAGScheduler: Final stage: Stage 0(saveAsTextFile at JavaSchemaRDD.scala:42)
> 15/04/09 12:22:35 INFO DAGScheduler: Parents of final stage: List()
> 15/04/09 12:22:35 INFO DAGScheduler: Missing parents: List()
> 15/04/09 12:22:35 INFO DAGScheduler: Submitting Stage 0 (MappedRDD[8] at saveAsTextFile at JavaSchemaRDD.scala:42), which has no missing parents
> 15/04/09 12:22:35 INFO MemoryStore: ensureFreeSpace(20896) called with curMem=37727, maxMem=278302556
> 15/04/09 12:22:35 INFO MemoryStore: Block broadcast_1 stored as values in memory (estimated size 20.4 KB, free 265.4 MB)
> 15/04/09 12:22:35 INFO MemoryStore: ensureFreeSpace(15057) called with curMem=58623, maxMem=278302556
> 15/04/09 12:22:35 INFO MemoryStore: Block broadcast_1_piece0 stored as bytes in memory (estimated size 14.7 KB, free 265.3 MB)
> 15/04/09 12:22:35 INFO BlockManagerInfo: Added broadcast_1_piece0 in memory on localhost:50256 (size: 14.7 KB, free: 265.4 MB)
> 15/04/09 12:22:35 INFO BlockManagerMaster: Updated info of block broadcast_1_piece0
> 15/04/09 12:22:35 INFO SparkContext: Created broadcast 1 from broadcast at DAGScheduler.scala:838
> 15/04/09 12:22:35 INFO DAGScheduler: Submitting 2 missing tasks from Stage 0 (MappedRDD[8] at saveAsTextFile at JavaSchemaRDD.scala:42)
> 15/04/09 12:22:35 INFO TaskSchedulerImpl: Adding task set 0.0 with 2 tasks
> 15/04/09 12:22:35 INFO TaskSetManager: Starting task 0.0 in stage 0.0 (TID 0, localhost, PROCESS_LOCAL, 1349 bytes)
> 15/04/09 12:22:35 INFO TaskSetManager: Starting task 1.0 in stage 0.0 (TID 1, localhost, PROCESS_LOCAL, 1349 bytes)
> 15/04/09 12:22:35 INFO Executor: Running task 0.0 in stage 0.0 (TID 0)
> 15/04/09 12:22:35 INFO Executor: Running task 1.0 in stage 0.0 (TID 1)
> 15/04/09 12:22:35 INFO Executor: Fetching http://10.212.51.39:37771/jars/engineshow.jar with timestamp 1428562351299
> 15/04/09 12:22:35 INFO Utils: Fetching http://10.212.51.39:37771/jars/engineshow.jar to /tmp/fetchFileTemp3748447218639833283.tmp
> 15/04/09 12:22:35 INFO Executor: Adding file:/tmp/spark-0ed71155-55db-48dd-ac02-7a56fe33381b/engineshow.jar to class loader
> 15/04/09 12:22:35 INFO HadoopRDD: Input split: file:/home/aditya/stocks1.csv:0+6708709
> 15/04/09 12:22:35 INFO HadoopRDD: Input split: file:/home/aditya/stocks1.csv:6708709+6708709
> 15/04/09 12:22:36 ERROR Executor: Exception in task 1.0 in stage 0.0 (TID 1)
> java.lang.ArrayIndexOutOfBoundsException: 1
>         at org.apache.spark.sql.catalyst.expressions.GenericRow.apply(Row.scala:142)
>         at org.apache.spark.sql.catalyst.expressions.BoundReference.eval(BoundAttribute.scala:37)
>         at org.apache.spark.sql.catalyst.expressions.InterpretedMutableProjection.apply(Projection.scala:68)
>         at org.apache.spark.sql.catalyst.expressions.InterpretedMutableProjection.apply(Projection.scala:52)
>         at scala.collection.Iterator$$anon$11.next(Iterator.scala:328)
>         at scala.collection.Iterator$$anon$11.next(Iterator.scala:328)
>         at scala.collection.Iterator$$anon$11.next(Iterator.scala:328)
>         at scala.collection.Iterator$$anon$11.next(Iterator.scala:328)
>         at org.apache.spark.rdd.PairRDDFunctions$$anonfun$13.apply(PairRDDFunctions.scala:1060)
>         at org.apache.spark.rdd.PairRDDFunctions$$anonfun$13.apply(PairRDDFunctions.scala:1047)
>         at org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:61)
>         at org.apache.spark.scheduler.Task.run(Task.scala:56)
>         at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:196)
>         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
>         at java.lang.Thread.run(Thread.java:744)
> 15/04/09 12:22:36 WARN TaskSetManager: Lost task 1.0 in stage 0.0 (TID 1, localhost): java.lang.ArrayIndexOutOfBoundsException: 1
>         at org.apache.spark.sql.catalyst.expressions.GenericRow.apply(Row.scala:142)
>         at org.apache.spark.sql.catalyst.expressions.BoundReference.eval(BoundAttribute.scala:37)
>         at org.apache.spark.sql.catalyst.expressions.InterpretedMutableProjection.apply(Projection.scala:68)
>         at org.apache.spark.sql.catalyst.expressions.InterpretedMutableProjection.apply(Projection.scala:52)
>         at scala.collection.Iterator$$anon$11.next(Iterator.scala:328)
>         at scala.collection.Iterator$$anon$11.next(Iterator.scala:328)
>         at scala.collection.Iterator$$anon$11.next(Iterator.scala:328)
>         at scala.collection.Iterator$$anon$11.next(Iterator.scala:328)
>         at org.apache.spark.rdd.PairRDDFunctions$$anonfun$13.apply(PairRDDFunctions.scala:1060)
>         at org.apache.spark.rdd.PairRDDFunctions$$anonfun$13.apply(PairRDDFunctions.scala:1047)
>         at org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:61)
>         at org.apache.spark.scheduler.Task.run(Task.scala:56)
>         at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:196)
>         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
>         at java.lang.Thread.run(Thread.java:744)
> 15/04/09 12:22:36 ERROR TaskSetManager: Task 1 in stage 0.0 failed 1 times; aborting job
> 15/04/09 12:22:36 INFO TaskSchedulerImpl: Cancelling stage 0
> 15/04/09 12:22:36 INFO Executor: Executor is trying to kill task 0.0 in stage 0.0 (TID 0)
> 15/04/09 12:22:36 INFO TaskSchedulerImpl: Stage 0 was cancelled
> 15/04/09 12:22:36 INFO Executor: Executor killed task 0.0 in stage 0.0 (TID 0)
> 15/04/09 12:22:36 INFO DAGScheduler: Job 0 failed: saveAsTextFile at JavaSchemaRDD.scala:42, took 0.616858 s
> Exception in thread "main" org.apache.spark.SparkException: Job aborted due to stage failure: Task 1 in stage 0.0 failed 1 times, most recent failure: Lost task 1.0 in stage 0.0 (TID 1, localhost): java.lang.ArrayIndexOutOfBoundsException: 1
>         at org.apache.spark.sql.catalyst.expressions.GenericRow.apply(Row.scala:142)
>         at org.apache.spark.sql.catalyst.expressions.BoundReference.eval(BoundAttribute.scala:37)
>         at org.apache.spark.sql.catalyst.expressions.InterpretedMutableProjection.apply(Projection.scala:68)
>         at org.apache.spark.sql.catalyst.expressions.InterpretedMutableProjection.apply(Projection.scala:52)
>         at scala.collection.Iterator$$anon$11.next(Iterator.scala:328)
>         at scala.collection.Iterator$$anon$11.next(Iterator.scala:328)
>         at scala.collection.Iterator$$anon$11.next(Iterator.scala:328)
>         at scala.collection.Iterator$$anon$11.next(Iterator.scala:328)
>         at org.apache.spark.rdd.PairRDDFunctions$$anonfun$13.apply(PairRDDFunctions.scala:1060)
>         at org.apache.spark.rdd.PairRDDFunctions$$anonfun$13.apply(PairRDDFunctions.scala:1047)
>         at org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:61)
>         at org.apache.spark.scheduler.Task.run(Task.scala:56)
>         at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:196)
>         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
>         at java.lang.Thread.run(Thread.java:744)
> Driver stacktrace:
>         at org.apache.spark.scheduler.DAGScheduler.org$apache$spark$scheduler$DAGScheduler$$failJobAndIndependentStages(DAGScheduler.scala:1214)
>         at org.apache.spark.scheduler.DAGScheduler$$anonfun$abortStage$1.apply(DAGScheduler.scala:1203)
>         at org.apache.spark.scheduler.DAGScheduler$$anonfun$abortStage$1.apply(DAGScheduler.scala:1202)
>         at scala.collection.mutable.ResizableArray$class.foreach(ResizableArray.scala:59)
>         at scala.collection.mutable.ArrayBuffer.foreach(ArrayBuffer.scala:47)
>         at org.apache.spark.scheduler.DAGScheduler.abortStage(DAGScheduler.scala:1202)
>         at org.apache.spark.scheduler.DAGScheduler$$anonfun$handleTaskSetFailed$1.apply(DAGScheduler.scala:696)
>         at org.apache.spark.scheduler.DAGScheduler$$anonfun$handleTaskSetFailed$1.apply(DAGScheduler.scala:696)
>         at scala.Option.foreach(Option.scala:236)
>         at org.apache.spark.scheduler.DAGScheduler.handleTaskSetFailed(DAGScheduler.scala:696)
>         at org.apache.spark.scheduler.DAGSchedulerEventProcessActor$$anonfun$receive$2.applyOrElse(DAGScheduler.scala:1420)
>         at akka.actor.Actor$class.aroundReceive(Actor.scala:465)
>         at org.apache.spark.scheduler.DAGSchedulerEventProcessActor.aroundReceive(DAGScheduler.scala:1375)
>         at akka.actor.ActorCell.receiveMessage(ActorCell.scala:516)
>         at akka.actor.ActorCell.invoke(ActorCell.scala:487)
>         at akka.dispatch.Mailbox.processMailbox(Mailbox.scala:238)
>         at akka.dispatch.Mailbox.run(Mailbox.scala:220)
>         at akka.dispatch.ForkJoinExecutorConfigurator$AkkaForkJoinTask.exec(AbstractDispatcher.scala:393)
>         at scala.concurrent.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260)
>         at scala.concurrent.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1339)
>         at scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979)
>         at scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107)
> 15/04/09 12:22:36 WARN TaskSetManager: Lost task 0.0 in stage 0.0 (TID 0, localhost): TaskKilled (killed intentionally)
> 15/04/09 12:22:36 INFO TaskSchedulerImpl: Removed TaskSet 0.0, whose tasks have all completed, from pool



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