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Posted to user@spark.apache.org by Alexis Roos <al...@gmail.com> on 2014/07/29 23:53:59 UTC

java.io.StreamCorruptedException: invalid type code: 00

Hello,

I am porting a data process running in Spark from Scala to Java (8) using Lambdas to see how practical Java 8 is.

The first few steps are working (parsing data, creating JavaRDDs) but then it fails while doing a cogroup between two JavaPairRDD<String, String>.

I am getting a bunch of java.io.StreamCorruptedException: invalid type code: 00 and ultimately the stack trace below.

It is running on Mac OS X local mode with Java SE 8.
java version "1.8.0_11"
Java(TM) SE Runtime Environment (build 1.8.0_11-b12)
Java HotSpot(TM) 64-Bit Server VM (build 25.11-b03, mixed mode)

Any ideas on possible root cause ??

Thanks,

Alexis

—

Exception in thread "main" org.apache.spark.SparkException: Job aborted due to stage failure: Task 3.0:0 failed 1 times, most recent failure: Exception failure in TID 0 on host localhost: java.io.StreamCorruptedException: invalid type code: 00
        java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1379)
        java.io.ObjectInputStream.skipCustomData(ObjectInputStream.java:1959)
        java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1921)
        java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1801)
        java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1351)
        java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1993)
        java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1918)
        java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1801)
        java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1351)
        java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1993)
        java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1918)
        java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1801)
        java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1351)
        java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1993)
        java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1918)
        java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1801)
        java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1351)
        java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1993)
        java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1918)
        java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1801)
        java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1351)
        java.io.ObjectInputStream.readArray(ObjectInputStream.java:1707)
        java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1345)
        java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1993)
        java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1918)
        java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1801)
        java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1351)
        java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1993)
        java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1918)
        java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1801)
        java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1351)
        java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1993)
        java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1918)
        java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1801)
        java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1351)
        java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1993)
        java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1918)
        java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1801)
        java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1351)
        java.io.ObjectInputStream.readObject(ObjectInputStream.java:371)
        scala.collection.immutable.$colon$colon.readObject(List.scala:362)
        sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        java.lang.reflect.Method.invoke(Method.java:483)
        java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:1017)
        java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1896)
        java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1801)
        java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1351)
        java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1993)
        java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1918)
        java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1801)
        java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1351)
        java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1993)
        java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1918)
        java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1801)
        java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1351)
        java.io.ObjectInputStream.readObject(ObjectInputStream.java:371)
        scala.collection.immutable.$colon$colon.readObject(List.scala:362)
        sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        java.lang.reflect.Method.invoke(Method.java:483)
        java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:1017)
        java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1896)
        java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1801)
        java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1351)
        java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1993)
        java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1918)
        java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1801)
        java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1351)
        java.io.ObjectInputStream.readObject(ObjectInputStream.java:371)
        org.apache.spark.serializer.JavaDeserializationStream.readObject(JavaSerializer.scala:63)
        org.apache.spark.scheduler.ShuffleMapTask$.deserializeInfo(ShuffleMapTask.scala:63)
        org.apache.spark.scheduler.ShuffleMapTask.readExternal(ShuffleMapTask.scala:135)
        java.io.ObjectInputStream.readExternalData(ObjectInputStream.java:1840)
        java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1799)
        java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1351)
        java.io.ObjectInputStream.readObject(ObjectInputStream.java:371)
        org.apache.spark.serializer.JavaDeserializationStream.readObject(JavaSerializer.scala:63)
        org.apache.spark.serializer.JavaSerializerInstance.deserialize(JavaSerializer.scala:85)
        org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:165)
        java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
        java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        java.lang.Thread.run(Thread.java:745)
Driver stacktrace:
	at org.apache.spark.scheduler.DAGScheduler.org$apache$spark$scheduler$DAGScheduler$$failJobAndIndependentStages(DAGScheduler.scala:1044)
	at org.apache.spark.scheduler.DAGScheduler$$anonfun$abortStage$1.apply(DAGScheduler.scala:1028)
	at org.apache.spark.scheduler.DAGScheduler$$anonfun$abortStage$1.apply(DAGScheduler.scala:1026)
	at scala.collection.mutable.ResizableArray$class.foreach(ResizableArray.scala:59)
	at scala.collection.mutable.ArrayBuffer.foreach(ArrayBuffer.scala:47)
	at org.apache.spark.scheduler.DAGScheduler.abortStage(DAGScheduler.scala:1026)
	at org.apache.spark.scheduler.DAGScheduler$$anonfun$handleTaskSetFailed$1.apply(DAGScheduler.scala:634)
	at org.apache.spark.scheduler.DAGScheduler$$anonfun$handleTaskSetFailed$1.apply(DAGScheduler.scala:634)
	at scala.Option.foreach(Option.scala:236)
	at org.apache.spark.scheduler.DAGScheduler.handleTaskSetFailed(DAGScheduler.scala:634)
	at org.apache.spark.scheduler.DAGSchedulerEventProcessActor$$anonfun$receive$2.applyOrElse(DAGScheduler.scala:1229)
	at akka.actor.ActorCell.receiveMessage(ActorCell.scala:498)
	at akka.actor.ActorCell.invoke(ActorCell.scala:456)
	at akka.dispatch.Mailbox.processMailbox(Mailbox.scala:237)
	at akka.dispatch.Mailbox.run(Mailbox.scala:219)
	at akka.dispatch.ForkJoinExecutorConfigurator$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)




Re: java.io.StreamCorruptedException: invalid type code: 00

Posted by Alexis Roos <al...@gmail.com>.
Just realized that I was missing the JavaSparkContext in the import and after adding it, the error is:


Exception in thread "main" org.apache.spark.SparkException: Job aborted due to stage failure: Task not serializable: java.io.NotSerializableException: java.lang.reflect.Method
	at org.apache.spark.scheduler.DAGScheduler.org$apache$spark$scheduler$DAGScheduler$$failJobAndIndependentStages(DAGScheduler.scala:1044)
	at org.apache.spark.scheduler.DAGScheduler$$anonfun$abortStage$1.apply(DAGScheduler.scala:1028)
	at org.apache.spark.scheduler.DAGScheduler$$anonfun$abortStage$1.apply(DAGScheduler.scala:1026)
	at scala.collection.mutable.ResizableArray$class.foreach(ResizableArray.scala:59)
	at scala.collection.mutable.ArrayBuffer.foreach(ArrayBuffer.scala:47)
	at org.apache.spark.scheduler.DAGScheduler.abortStage(DAGScheduler.scala:1026)
	at org.apache.spark.scheduler.DAGScheduler.org$apache$spark$scheduler$DAGScheduler$$submitMissingTasks(DAGScheduler.scala:771)
	at org.apache.spark.scheduler.DAGScheduler.org$apache$spark$scheduler$DAGScheduler$$submitStage(DAGScheduler.scala:714)
	at org.apache.spark.scheduler.DAGScheduler$$anonfun$org$apache$spark$scheduler$DAGScheduler$$submitStage$4.apply(DAGScheduler.scala:718)
	at org.apache.spark.scheduler.DAGScheduler$$anonfun$org$apache$spark$scheduler$DAGScheduler$$submitStage$4.apply(DAGScheduler.scala:717)
	at scala.collection.immutable.List.foreach(List.scala:318)
	at org.apache.spark.scheduler.DAGScheduler.org$apache$spark$scheduler$DAGScheduler$$submitStage(DAGScheduler.scala:717)
	at org.apache.spark.scheduler.DAGScheduler$$anonfun$org$apache$spark$scheduler$DAGScheduler$$submitStage$4.apply(DAGScheduler.scala:718)
	at org.apache.spark.scheduler.DAGScheduler$$anonfun$org$apache$spark$scheduler$DAGScheduler$$submitStage$4.apply(DAGScheduler.scala:717)
	at scala.collection.immutable.List.foreach(List.scala:318)
	at org.apache.spark.scheduler.DAGScheduler.org$apache$spark$scheduler$DAGScheduler$$submitStage(DAGScheduler.scala:717)
	at org.apache.spark.scheduler.DAGScheduler.handleJobSubmitted(DAGScheduler.scala:698)
	at org.apache.spark.scheduler.DAGSchedulerEventProcessActor$$anonfun$receive$2.applyOrElse(DAGScheduler.scala:1198)
	at akka.actor.ActorCell.receiveMessage(ActorCell.scala:498)
	at akka.actor.ActorCell.invoke(ActorCell.scala:456)
	at akka.dispatch.Mailbox.processMailbox(Mailbox.scala:237)
	at akka.dispatch.Mailbox.run(Mailbox.scala:219)
	at akka.dispatch.ForkJoinExecutorConfigurator$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)


Alexis
On Jul 29, 2014, at 2:53 PM, Alexis Roos <al...@gmail.com> wrote:

> Hello,
> 
> I am porting a data process running in Spark from Scala to Java (8) using Lambdas to see how practical Java 8 is.
> 
> The first few steps are working (parsing data, creating JavaRDDs) but then it fails while doing a cogroup between two JavaPairRDD<String, String>.
> 
> I am getting a bunch of java.io.StreamCorruptedException: invalid type code: 00 and ultimately the stack trace below.
> 
> It is running on Mac OS X local mode with Java SE 8.
> java version "1.8.0_11"
> Java(TM) SE Runtime Environment (build 1.8.0_11-b12)
> Java HotSpot(TM) 64-Bit Server VM (build 25.11-b03, mixed mode)
> 
> Any ideas on possible root cause ??
> 
> Thanks,
> 
> Alexis
> 
> —
> 
> Exception in thread "main" org.apache.spark.SparkException: Job aborted due to stage failure: Task 3.0:0 failed 1 times, most recent failure: Exception failure in TID 0 on host localhost: java.io.StreamCorruptedException: invalid type code: 00
>         java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1379)
>         java.io.ObjectInputStream.skipCustomData(ObjectInputStream.java:1959)
>         java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1921)
>         java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1801)
>         java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1351)
>         java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1993)
>         java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1918)
>         java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1801)
>         java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1351)
>         java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1993)
>         java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1918)
>         java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1801)
>         java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1351)
>         java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1993)
>         java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1918)
>         java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1801)
>         java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1351)
>         java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1993)
>         java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1918)
>         java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1801)
>         java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1351)
>         java.io.ObjectInputStream.readArray(ObjectInputStream.java:1707)
>         java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1345)
>         java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1993)
>         java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1918)
>         java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1801)
>         java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1351)
>         java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1993)
>         java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1918)
>         java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1801)
>         java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1351)
>         java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1993)
>         java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1918)
>         java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1801)
>         java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1351)
>         java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1993)
>         java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1918)
>         java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1801)
>         java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1351)
>         java.io.ObjectInputStream.readObject(ObjectInputStream.java:371)
>         scala.collection.immutable.$colon$colon.readObject(List.scala:362)
>         sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>         sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
>         sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>         java.lang.reflect.Method.invoke(Method.java:483)
>         java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:1017)
>         java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1896)
>         java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1801)
>         java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1351)
>         java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1993)
>         java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1918)
>         java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1801)
>         java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1351)
>         java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1993)
>         java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1918)
>         java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1801)
>         java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1351)
>         java.io.ObjectInputStream.readObject(ObjectInputStream.java:371)
>         scala.collection.immutable.$colon$colon.readObject(List.scala:362)
>         sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>         sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
>         sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>         java.lang.reflect.Method.invoke(Method.java:483)
>         java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:1017)
>         java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1896)
>         java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1801)
>         java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1351)
>         java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1993)
>         java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1918)
>         java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1801)
>         java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1351)
>         java.io.ObjectInputStream.readObject(ObjectInputStream.java:371)
>         org.apache.spark.serializer.JavaDeserializationStream.readObject(JavaSerializer.scala:63)
>         org.apache.spark.scheduler.ShuffleMapTask$.deserializeInfo(ShuffleMapTask.scala:63)
>         org.apache.spark.scheduler.ShuffleMapTask.readExternal(ShuffleMapTask.scala:135)
>         java.io.ObjectInputStream.readExternalData(ObjectInputStream.java:1840)
>         java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1799)
>         java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1351)
>         java.io.ObjectInputStream.readObject(ObjectInputStream.java:371)
>         org.apache.spark.serializer.JavaDeserializationStream.readObject(JavaSerializer.scala:63)
>         org.apache.spark.serializer.JavaSerializerInstance.deserialize(JavaSerializer.scala:85)
>         org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:165)
>         java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
>         java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
>         java.lang.Thread.run(Thread.java:745)
> Driver stacktrace:
> 	at org.apache.spark.scheduler.DAGScheduler.org$apache$spark$scheduler$DAGScheduler$$failJobAndIndependentStages(DAGScheduler.scala:1044)
> 	at org.apache.spark.scheduler.DAGScheduler$$anonfun$abortStage$1.apply(DAGScheduler.scala:1028)
> 	at org.apache.spark.scheduler.DAGScheduler$$anonfun$abortStage$1.apply(DAGScheduler.scala:1026)
> 	at scala.collection.mutable.ResizableArray$class.foreach(ResizableArray.scala:59)
> 	at scala.collection.mutable.ArrayBuffer.foreach(ArrayBuffer.scala:47)
> 	at org.apache.spark.scheduler.DAGScheduler.abortStage(DAGScheduler.scala:1026)
> 	at org.apache.spark.scheduler.DAGScheduler$$anonfun$handleTaskSetFailed$1.apply(DAGScheduler.scala:634)
> 	at org.apache.spark.scheduler.DAGScheduler$$anonfun$handleTaskSetFailed$1.apply(DAGScheduler.scala:634)
> 	at scala.Option.foreach(Option.scala:236)
> 	at org.apache.spark.scheduler.DAGScheduler.handleTaskSetFailed(DAGScheduler.scala:634)
> 	at org.apache.spark.scheduler.DAGSchedulerEventProcessActor$$anonfun$receive$2.applyOrElse(DAGScheduler.scala:1229)
> 	at akka.actor.ActorCell.receiveMessage(ActorCell.scala:498)
> 	at akka.actor.ActorCell.invoke(ActorCell.scala:456)
> 	at akka.dispatch.Mailbox.processMailbox(Mailbox.scala:237)
> 	at akka.dispatch.Mailbox.run(Mailbox.scala:219)
> 	at akka.dispatch.ForkJoinExecutorConfigurator$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)
> 
> 
>