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From rapelly kartheek <kartheek.m...@gmail.com>
Subject Re: NullPointerException
Date Thu, 01 Jan 2015 06:35:58 GMT
spark-1.0.0

On Thu, Jan 1, 2015 at 12:04 PM, Josh Rosen <rosenville@gmail.com> wrote:

> Which version of Spark are you using?
>
> On Wed, Dec 31, 2014 at 10:24 PM, rapelly kartheek <
> kartheek.mbms@gmail.com> wrote:
>
>> Hi,
>> I get this following Exception when I submit spark application that
>> calculates the frequency of characters in a file. Especially, when I
>> increase the size of data, I face this problem.
>>
>> Exception in thread "Thread-47" org.apache.spark.SparkException: Job
>> aborted due to stage failure: Task 11.0:10 failed 4 times, most recent
>> failure: Exception failure in TID 295 on host s1:
>> java.lang.NullPointerException
>>         org.apache.spark.storage.BlockManager.org
>> $apache$spark$storage$BlockManager$$replicate(BlockManager.scala:786)
>>
>> org.apache.spark.storage.BlockManager.doPut(BlockManager.scala:752)
>>         org.apache.spark.storage.BlockManager.put(BlockManager.scala:574)
>>         org.apache.spark.CacheManager.getOrCompute(CacheManager.scala:108)
>>         org.apache.spark.rdd.RDD.iterator(RDD.scala:227)
>>         org.apache.spark.rdd.FilteredRDD.compute(FilteredRDD.scala:34)
>>         org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:262)
>>         org.apache.spark.rdd.RDD.iterator(RDD.scala:229)
>>         org.apache.spark.rdd.MappedRDD.compute(MappedRDD.scala:31)
>>         org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:262)
>>         org.apache.spark.rdd.RDD.iterator(RDD.scala:229)
>>
>> org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:111)
>>         org.apache.spark.scheduler.Task.run(Task.scala:51)
>>
>> org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:187)
>>
>> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
>>
>> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
>>         java.lang.Thread.run(Thread.java:745)
>> Driver stacktrace:
>> at org.apache.spark.scheduler.DAGScheduler.org
>> $apache$spark$scheduler$DAGScheduler$$failJobAndIndependentStages(DAGScheduler.scala:1033)
>> at
>> org.apache.spark.scheduler.DAGScheduler$$anonfun$abortStage$1.apply(DAGScheduler.scala:1017)
>> at
>> org.apache.spark.scheduler.DAGScheduler$$anonfun$abortStage$1.apply(DAGScheduler.scala:1015)
>> at
>> scala.collection.mutable.ResizableArray$class.foreach(ResizableArray.scala:59)
>> at scala.collection.mutable.ArrayBuffer.foreach(ArrayBuffer.scala:47)
>> at
>> org.apache.spark.scheduler.DAGScheduler.abortStage(DAGScheduler.scala:1015)
>> at
>> org.apache.spark.scheduler.DAGScheduler$$anonfun$handleTaskSetFailed$1.apply(DAGScheduler.scala:633)
>> at
>> org.apache.spark.scheduler.DAGScheduler$$anonfun$handleTaskSetFailed$1.apply(DAGScheduler.scala:633)
>> at scala.Option.foreach(Option.scala:236)
>> at
>> org.apache.spark.scheduler.DAGScheduler.handleTaskSetFailed(DAGScheduler.scala:633)
>> at
>> org.apache.spark.scheduler.DAGSchedulerEventProcessActor$$anonfun$receive$2.applyOrElse(DAGScheduler.scala:1207)
>> at akka.actor.ActorCell.receiveMessage(ActorCell.scala:498)
>> at akka.actor.ActorCell.invoke(ActorCell.scala:456)
>> at akka.dispatch.Mailbox.processMailbox(Mailbox.scala:237)
>> at akka.dispatch.Mailbox.run(Mailbox.scala:219)
>> at
>> akka.dispatch.ForkJoinExecutorConfigurator$AkkaForkJoinTask.exec(AbstractDispatcher.scala:386)
>> 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)
>>
>>
>> Any help?
>>
>> Thank you!
>>
>
>

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