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From Andrew Palumbo <ap....@outlook.com>
Subject Re: Spark shell broken
Date Tue, 24 Feb 2015 21:25:38 GMT
sorry- I left out the scala-compiler artifact (at the top)  it should read:

  <dependency>
   <groupId>org.scala-lang</groupId>
   <artifactId>scala-compiler</artifactId>
   <version>${scala.version}</version>
</dependency>
<dependency>
   <groupId>org.scala-lang</groupId>
   <artifactId>scala-reflect</artifactId>
   <version>${scala.version}</version>
</dependency>
<dependency>
   <groupId>org.scala-lang</groupId>
   <artifactId>scala-library</artifactId>
   <version>${scala.version}</version>
</dependency>
<dependency>
   <groupId>org.scala-lang</groupId>
   <artifactId>scala-actors</artifactId>
   <version>${scala.version}</version>
</dependency>
<dependency>
   <groupId>org.scala-lang</groupId>
   <artifactId>scalap</artifactId>
   <version>${scala.version}</version>
</dependency>



adding these has $mahout spark-shell working for me on spark 1.2.1.



On 02/24/2015 04:20 PM, Andrew Palumbo wrote:
> adding in the following dependencies to the math-scala pom.xml seems 
> to fix the problem for me on the old master before the revert/1.2 branch:
>
> <dependency>
>   <groupId>org.scala-lang</groupId>
>   <artifactId>scala-reflect</artifactId>
>   <version>${scala.version}</version>
> </dependency>
> <dependency>
>   <groupId>org.scala-lang</groupId>
>   <artifactId>scala-library</artifactId>
>   <version>${scala.version}</version>
> </dependency>
> <dependency>
>   <groupId>org.scala-lang</groupId>
>   <artifactId>scala-actors</artifactId>
>   <version>${scala.version}</version>
> </dependency>
> <dependency>
>   <groupId>org.scala-lang</groupId>
>   <artifactId>scalap</artifactId>
>   <version>${scala.version}</version>
> </dependency>
>
>
> I dont know if this will help with item-similarity, and doesnt seem to 
> have anything to do with the crash that Andrew M. is experiencing on 
> the reverted spark-1.1.0 master.
>
>
>
> On 02/24/2015 03:59 PM, Andrew Musselman wrote:
>> Except after some time it blew up:
>>
>> $ bin/mahout spark-shell
>> SLF4J: Class path contains multiple SLF4J bindings.
>> SLF4J: Found binding in
>> [jar:file:/home/akm/mahout/mrlegacy/target/mahout-mrlegacy-1.0-SNAPSHOT-job.jar!/org/slf4j/impl/StaticLoggerBinder.class] 
>>
>> SLF4J: Found binding in
>> [jar:file:/home/akm/mahout/spark/target/mahout-spark_2.10-1.0-SNAPSHOT-job.jar!/org/slf4j/impl/StaticLoggerBinder.class] 
>>
>> SLF4J: Found binding in
>> [jar:file:/home/akm/spark/assembly/target/scala-2.10/spark-assembly-1.1.1-hadoop1.1.1.jar!/org/slf4j/impl/StaticLoggerBinder.class] 
>>
>> SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an
>> explanation.
>> SLF4J: Actual binding is of type [org.slf4j.impl.Log4jLoggerFactory]
>>
>>                           _                 _
>>           _ __ ___   __ _| |__   ___  _   _| |_
>>          | '_ ` _ \ / _` | '_ \ / _ \| | | | __|
>>          | | | | | | (_| | | | | (_) | |_| | |_
>>          |_| |_| |_|\__,_|_| |_|\___/ \__,_|\__|  version 1.0
>>
>>
>> Using Scala version 2.10.0 (Java HotSpot(TM) 64-Bit Server VM, Java
>> 1.7.0_03)
>> Type in expressions to have them evaluated.
>> Type :help for more information.
>> 15/02/24 12:23:26 WARN Utils: Your hostname, ubuntu resolves to a 
>> loopback
>> address: 127.0.1.1; using 5.5.8.1 instead (on interface as0t1)
>> 15/02/24 12:23:26 WARN Utils: Set SPARK_LOCAL_IP if you need to bind to
>> another address
>> 15/02/24 12:23:39 WARN NativeCodeLoader: Unable to load native-hadoop
>> library for your platform... using builtin-java classes where applicable
>> Created spark context..
>> Mahout distributed context is available as "implicit val sdc".
>> mahout> 15/02/24 12:24:17 ERROR Remoting:
>> org.apache.spark.storage.BlockManagerId; local class incompatible: 
>> stream
>> classdesc serialVersionUID = 1677335532749418220, local class
>> serialVersionUID = -7366074099953117729
>> java.io.InvalidClassException: org.apache.spark.storage.BlockManagerId;
>> local class incompatible: stream classdesc serialVersionUID =
>> 1677335532749418220, local class serialVersionUID = -7366074099953117729
>>      at 
>> java.io.ObjectStreamClass.initNonProxy(ObjectStreamClass.java:604)
>>      at
>> java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1601)
>>      at 
>> java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1514)
>>      at
>> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1750) 
>>
>>      at 
>> java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1347)
>>      at
>> java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1964)
>>      at 
>> java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1888)
>>      at
>> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1771) 
>>
>>      at 
>> java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1347)
>>      at java.io.ObjectInputStream.readObject(ObjectInputStream.java:369)
>>      at
>> akka.serialization.JavaSerializer$$anonfun$1.apply(Serializer.scala:136)
>>      at scala.util.DynamicVariable.withValue(DynamicVariable.scala:57)
>>      at 
>> akka.serialization.JavaSerializer.fromBinary(Serializer.scala:136)
>>      at
>> akka.serialization.Serialization$$anonfun$deserialize$1.apply(Serialization.scala:104) 
>>
>>      at scala.util.Try$.apply(Try.scala:161)
>>      at 
>> akka.serialization.Serialization.deserialize(Serialization.scala:98)
>>      at
>> akka.remote.MessageSerializer$.deserialize(MessageSerializer.scala:23)
>>      at
>> akka.remote.DefaultMessageDispatcher.payload$lzycompute$1(Endpoint.scala:55) 
>>
>>      at 
>> akka.remote.DefaultMessageDispatcher.payload$1(Endpoint.scala:55)
>>      at akka.remote.DefaultMessageDispatcher.dispatch(Endpoint.scala:73)
>>      at
>> akka.remote.EndpointReader$$anonfun$receive$2.applyOrElse(Endpoint.scala:764) 
>>
>>      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) 
>>
>> 15/02/24 12:24:50 ERROR Remoting: 
>> org.apache.spark.storage.BlockManagerId;
>> local class incompatible: stream classdesc serialVersionUID =
>> 1677335532749418220, local class serialVersionUID = -7366074099953117729
>> java.io.InvalidClassException: org.apache.spark.storage.BlockManagerId;
>> local class incompatible: stream classdesc serialVersionUID =
>> 1677335532749418220, local class serialVersionUID = -7366074099953117729
>>      at 
>> java.io.ObjectStreamClass.initNonProxy(ObjectStreamClass.java:604)
>>      at
>> java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1601)
>>      at 
>> java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1514)
>>      at
>> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1750) 
>>
>>      at 
>> java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1347)
>>      at
>> java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1964)
>>      at 
>> java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1888)
>>      at
>> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1771) 
>>
>>      at 
>> java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1347)
>>      at java.io.ObjectInputStream.readObject(ObjectInputStream.java:369)
>>      at
>> akka.serialization.JavaSerializer$$anonfun$1.apply(Serializer.scala:136)
>>      at scala.util.DynamicVariable.withValue(DynamicVariable.scala:57)
>>      at 
>> akka.serialization.JavaSerializer.fromBinary(Serializer.scala:136)
>>      at
>> akka.serialization.Serialization$$anonfun$deserialize$1.apply(Serialization.scala:104) 
>>
>>      at scala.util.Try$.apply(Try.scala:161)
>>      at 
>> akka.serialization.Serialization.deserialize(Serialization.scala:98)
>>      at
>> akka.remote.MessageSerializer$.deserialize(MessageSerializer.scala:23)
>>      at
>> akka.remote.DefaultMessageDispatcher.payload$lzycompute$1(Endpoint.scala:55) 
>>
>>      at 
>> akka.remote.DefaultMessageDispatcher.payload$1(Endpoint.scala:55)
>>      at akka.remote.DefaultMessageDispatcher.dispatch(Endpoint.scala:73)
>>      at
>> akka.remote.EndpointReader$$anonfun$receive$2.applyOrElse(Endpoint.scala:764) 
>>
>>      at akka.actor.ActorCell.receiveMessage(ActorCell.scala:498)
>>      at akka.actor.ActorCell.invoke(ActorCell.scala:456)
>>      at akka.dispatch.Mailbox.processMailbox(Mailbox.scala:237)
>>      at akka.dispatch.Mailbox.run(Mailbox.scala:219)
>>      at
>> akka.dispatch.ForkJoinExecutorConfigurator$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) 
>>
>> 15/02/24 12:25:23 ERROR TaskSchedulerImpl: Lost an executor 0 (already
>> removed): remote Akka client disassociated
>> 15/02/24 12:26:00 ERROR Remoting: 
>> org.apache.spark.storage.BlockManagerId;
>> local class incompatible: stream classdesc serialVersionUID =
>> 1677335532749418220, local class serialVersionUID = -7366074099953117729
>> java.io.InvalidClassException: org.apache.spark.storage.BlockManagerId;
>> local class incompatible: stream classdesc serialVersionUID =
>> 1677335532749418220, local class serialVersionUID = -7366074099953117729
>>      at 
>> java.io.ObjectStreamClass.initNonProxy(ObjectStreamClass.java:604)
>>      at
>> java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1601)
>>      at 
>> java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1514)
>>      at
>> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1750) 
>>
>>      at 
>> java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1347)
>>      at
>> java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1964)
>>      at 
>> java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1888)
>>      at
>> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1771) 
>>
>>      at 
>> java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1347)
>>      at java.io.ObjectInputStream.readObject(ObjectInputStream.java:369)
>>      at
>> akka.serialization.JavaSerializer$$anonfun$1.apply(Serializer.scala:136)
>>      at scala.util.DynamicVariable.withValue(DynamicVariable.scala:57)
>>      at 
>> akka.serialization.JavaSerializer.fromBinary(Serializer.scala:136)
>>      at
>> akka.serialization.Serialization$$anonfun$deserialize$1.apply(Serialization.scala:104) 
>>
>>      at scala.util.Try$.apply(Try.scala:161)
>>      at 
>> akka.serialization.Serialization.deserialize(Serialization.scala:98)
>>      at
>> akka.remote.MessageSerializer$.deserialize(MessageSerializer.scala:23)
>>      at
>> akka.remote.DefaultMessageDispatcher.payload$lzycompute$1(Endpoint.scala:55) 
>>
>>      at 
>> akka.remote.DefaultMessageDispatcher.payload$1(Endpoint.scala:55)
>>      at akka.remote.DefaultMessageDispatcher.dispatch(Endpoint.scala:73)
>>      at
>> akka.remote.EndpointReader$$anonfun$receive$2.applyOrElse(Endpoint.scala:764) 
>>
>>      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) 
>>
>> 15/02/24 12:26:33 ERROR Remoting: 
>> org.apache.spark.storage.BlockManagerId;
>> local class incompatible: stream classdesc serialVersionUID =
>> 1677335532749418220, local class serialVersionUID = -7366074099953117729
>> java.io.InvalidClassException: org.apache.spark.storage.BlockManagerId;
>> local class incompatible: stream classdesc serialVersionUID =
>> 1677335532749418220, local class serialVersionUID = -7366074099953117729
>>      at 
>> java.io.ObjectStreamClass.initNonProxy(ObjectStreamClass.java:604)
>>      at
>> java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1601)
>>      at 
>> java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1514)
>>      at
>> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1750) 
>>
>>      at 
>> java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1347)
>>      at
>> java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1964)
>>      at 
>> java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1888)
>>      at
>> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1771) 
>>
>>      at 
>> java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1347)
>>      at java.io.ObjectInputStream.readObject(ObjectInputStream.java:369)
>>      at
>> akka.serialization.JavaSerializer$$anonfun$1.apply(Serializer.scala:136)
>>      at scala.util.DynamicVariable.withValue(DynamicVariable.scala:57)
>>      at 
>> akka.serialization.JavaSerializer.fromBinary(Serializer.scala:136)
>>      at
>> akka.serialization.Serialization$$anonfun$deserialize$1.apply(Serialization.scala:104) 
>>
>>      at scala.util.Try$.apply(Try.scala:161)
>>      at 
>> akka.serialization.Serialization.deserialize(Serialization.scala:98)
>>      at
>> akka.remote.MessageSerializer$.deserialize(MessageSerializer.scala:23)
>>      at
>> akka.remote.DefaultMessageDispatcher.payload$lzycompute$1(Endpoint.scala:55) 
>>
>>      at 
>> akka.remote.DefaultMessageDispatcher.payload$1(Endpoint.scala:55)
>>      at akka.remote.DefaultMessageDispatcher.dispatch(Endpoint.scala:73)
>>      at
>> akka.remote.EndpointReader$$anonfun$receive$2.applyOrElse(Endpoint.scala:764) 
>>
>>      at akka.actor.ActorCell.receiveMessage(ActorCell.scala:498)
>>      at akka.actor.ActorCell.invoke(ActorCell.scala:456)
>>      at akka.dispatch.Mailbox.processMailbox(Mailbox.scala:237)
>>      at akka.dispatch.Mailbox.run(Mailbox.scala:219)
>>      at
>> akka.dispatch.ForkJoinExecutorConfigurator$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) 
>>
>> 15/02/24 12:27:06 ERROR TaskSchedulerImpl: Lost an executor 1 (already
>> removed): remote Akka client disassociated
>> 15/02/24 12:27:43 ERROR Remoting: 
>> org.apache.spark.storage.BlockManagerId;
>> local class incompatible: stream classdesc serialVersionUID =
>> 1677335532749418220, local class serialVersionUID = -7366074099953117729
>> java.io.InvalidClassException: org.apache.spark.storage.BlockManagerId;
>> local class incompatible: stream classdesc serialVersionUID =
>> 1677335532749418220, local class serialVersionUID = -7366074099953117729
>>      at 
>> java.io.ObjectStreamClass.initNonProxy(ObjectStreamClass.java:604)
>>      at
>> java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1601)
>>      at 
>> java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1514)
>>      at
>> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1750) 
>>
>>      at 
>> java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1347)
>>      at
>> java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1964)
>>      at 
>> java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1888)
>>      at
>> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1771) 
>>
>>      at 
>> java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1347)
>>      at java.io.ObjectInputStream.readObject(ObjectInputStream.java:369)
>>      at
>> akka.serialization.JavaSerializer$$anonfun$1.apply(Serializer.scala:136)
>>      at scala.util.DynamicVariable.withValue(DynamicVariable.scala:57)
>>      at 
>> akka.serialization.JavaSerializer.fromBinary(Serializer.scala:136)
>>      at
>> akka.serialization.Serialization$$anonfun$deserialize$1.apply(Serialization.scala:104) 
>>
>>      at scala.util.Try$.apply(Try.scala:161)
>>      at 
>> akka.serialization.Serialization.deserialize(Serialization.scala:98)
>>      at
>> akka.remote.MessageSerializer$.deserialize(MessageSerializer.scala:23)
>>      at
>> akka.remote.DefaultMessageDispatcher.payload$lzycompute$1(Endpoint.scala:55) 
>>
>>      at 
>> akka.remote.DefaultMessageDispatcher.payload$1(Endpoint.scala:55)
>>      at akka.remote.DefaultMessageDispatcher.dispatch(Endpoint.scala:73)
>>      at
>> akka.remote.EndpointReader$$anonfun$receive$2.applyOrElse(Endpoint.scala:764) 
>>
>>      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) 
>>
>> 15/02/24 12:28:16 ERROR Remoting: 
>> org.apache.spark.storage.BlockManagerId;
>> local class incompatible: stream classdesc serialVersionUID =
>> 1677335532749418220, local class serialVersionUID = -7366074099953117729
>> java.io.InvalidClassException: org.apache.spark.storage.BlockManagerId;
>> local class incompatible: stream classdesc serialVersionUID =
>> 1677335532749418220, local class serialVersionUID = -7366074099953117729
>>      at 
>> java.io.ObjectStreamClass.initNonProxy(ObjectStreamClass.java:604)
>>      at
>> java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1601)
>>      at 
>> java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1514)
>>      at
>> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1750) 
>>
>>      at 
>> java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1347)
>>      at
>> java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1964)
>>      at 
>> java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1888)
>>      at
>> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1771) 
>>
>>      at 
>> java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1347)
>>      at java.io.ObjectInputStream.readObject(ObjectInputStream.java:369)
>>      at
>> akka.serialization.JavaSerializer$$anonfun$1.apply(Serializer.scala:136)
>>      at scala.util.DynamicVariable.withValue(DynamicVariable.scala:57)
>>      at 
>> akka.serialization.JavaSerializer.fromBinary(Serializer.scala:136)
>>      at
>> akka.serialization.Serialization$$anonfun$deserialize$1.apply(Serialization.scala:104) 
>>
>>      at scala.util.Try$.apply(Try.scala:161)
>>      at 
>> akka.serialization.Serialization.deserialize(Serialization.scala:98)
>>      at
>> akka.remote.MessageSerializer$.deserialize(MessageSerializer.scala:23)
>>      at
>> akka.remote.DefaultMessageDispatcher.payload$lzycompute$1(Endpoint.scala:55) 
>>
>>      at 
>> akka.remote.DefaultMessageDispatcher.payload$1(Endpoint.scala:55)
>>      at akka.remote.DefaultMessageDispatcher.dispatch(Endpoint.scala:73)
>>      at
>> akka.remote.EndpointReader$$anonfun$receive$2.applyOrElse(Endpoint.scala:764) 
>>
>>      at akka.actor.ActorCell.receiveMessage(ActorCell.scala:498)
>>      at akka.actor.ActorCell.invoke(ActorCell.scala:456)
>>      at akka.dispatch.Mailbox.processMailbox(Mailbox.scala:237)
>>      at akka.dispatch.Mailbox.run(Mailbox.scala:219)
>>      at
>> akka.dispatch.ForkJoinExecutorConfigurator$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) 
>>
>> 15/02/24 12:28:49 ERROR TaskSchedulerImpl: Lost an executor 2 (already
>> removed): remote Akka client disassociated
>> 15/02/24 12:29:26 ERROR Remoting: 
>> org.apache.spark.storage.BlockManagerId;
>> local class incompatible: stream classdesc serialVersionUID =
>> 1677335532749418220, local class serialVersionUID = -7366074099953117729
>> java.io.InvalidClassException: org.apache.spark.storage.BlockManagerId;
>> local class incompatible: stream classdesc serialVersionUID =
>> 1677335532749418220, local class serialVersionUID = -7366074099953117729
>>      at 
>> java.io.ObjectStreamClass.initNonProxy(ObjectStreamClass.java:604)
>>      at
>> java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1601)
>>      at 
>> java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1514)
>>      at
>> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1750) 
>>
>>      at 
>> java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1347)
>>      at
>> java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1964)
>>      at 
>> java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1888)
>>      at
>> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1771) 
>>
>>      at 
>> java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1347)
>>      at java.io.ObjectInputStream.readObject(ObjectInputStream.java:369)
>>      at
>> akka.serialization.JavaSerializer$$anonfun$1.apply(Serializer.scala:136)
>>      at scala.util.DynamicVariable.withValue(DynamicVariable.scala:57)
>>      at 
>> akka.serialization.JavaSerializer.fromBinary(Serializer.scala:136)
>>      at
>> akka.serialization.Serialization$$anonfun$deserialize$1.apply(Serialization.scala:104) 
>>
>>      at scala.util.Try$.apply(Try.scala:161)
>>      at 
>> akka.serialization.Serialization.deserialize(Serialization.scala:98)
>>      at
>> akka.remote.MessageSerializer$.deserialize(MessageSerializer.scala:23)
>>      at
>> akka.remote.DefaultMessageDispatcher.payload$lzycompute$1(Endpoint.scala:55) 
>>
>>      at 
>> akka.remote.DefaultMessageDispatcher.payload$1(Endpoint.scala:55)
>>      at akka.remote.DefaultMessageDispatcher.dispatch(Endpoint.scala:73)
>>      at
>> akka.remote.EndpointReader$$anonfun$receive$2.applyOrElse(Endpoint.scala:764) 
>>
>>      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) 
>>
>> 15/02/24 12:29:59 ERROR Remoting: 
>> org.apache.spark.storage.BlockManagerId;
>> local class incompatible: stream classdesc serialVersionUID =
>> 1677335532749418220, local class serialVersionUID = -7366074099953117729
>> java.io.InvalidClassException: org.apache.spark.storage.BlockManagerId;
>> local class incompatible: stream classdesc serialVersionUID =
>> 1677335532749418220, local class serialVersionUID = -7366074099953117729
>>      at 
>> java.io.ObjectStreamClass.initNonProxy(ObjectStreamClass.java:604)
>>      at
>> java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1601)
>>      at 
>> java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1514)
>>      at
>> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1750) 
>>
>>      at 
>> java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1347)
>>      at
>> java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1964)
>>      at 
>> java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1888)
>>      at
>> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1771) 
>>
>>      at 
>> java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1347)
>>      at java.io.ObjectInputStream.readObject(ObjectInputStream.java:369)
>>      at
>> akka.serialization.JavaSerializer$$anonfun$1.apply(Serializer.scala:136)
>>      at scala.util.DynamicVariable.withValue(DynamicVariable.scala:57)
>>      at 
>> akka.serialization.JavaSerializer.fromBinary(Serializer.scala:136)
>>      at
>> akka.serialization.Serialization$$anonfun$deserialize$1.apply(Serialization.scala:104) 
>>
>>      at scala.util.Try$.apply(Try.scala:161)
>>      at 
>> akka.serialization.Serialization.deserialize(Serialization.scala:98)
>>      at
>> akka.remote.MessageSerializer$.deserialize(MessageSerializer.scala:23)
>>      at
>> akka.remote.DefaultMessageDispatcher.payload$lzycompute$1(Endpoint.scala:55) 
>>
>>      at 
>> akka.remote.DefaultMessageDispatcher.payload$1(Endpoint.scala:55)
>>      at akka.remote.DefaultMessageDispatcher.dispatch(Endpoint.scala:73)
>>      at
>> akka.remote.EndpointReader$$anonfun$receive$2.applyOrElse(Endpoint.scala:764) 
>>
>>      at akka.actor.ActorCell.receiveMessage(ActorCell.scala:498)
>>      at akka.actor.ActorCell.invoke(ActorCell.scala:456)
>>      at akka.dispatch.Mailbox.processMailbox(Mailbox.scala:237)
>>      at akka.dispatch.Mailbox.run(Mailbox.scala:219)
>>      at
>> akka.dispatch.ForkJoinExecutorConfigurator$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) 
>>
>> 15/02/24 12:30:32 ERROR TaskSchedulerImpl: Lost an executor 3 (already
>> removed): remote Akka client disassociated
>> 15/02/24 12:31:09 ERROR Remoting: 
>> org.apache.spark.storage.BlockManagerId;
>> local class incompatible: stream classdesc serialVersionUID =
>> 1677335532749418220, local class serialVersionUID = -7366074099953117729
>> java.io.InvalidClassException: org.apache.spark.storage.BlockManagerId;
>> local class incompatible: stream classdesc serialVersionUID =
>> 1677335532749418220, local class serialVersionUID = -7366074099953117729
>>      at 
>> java.io.ObjectStreamClass.initNonProxy(ObjectStreamClass.java:604)
>>      at
>> java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1601)
>>      at 
>> java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1514)
>>      at
>> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1750) 
>>
>>      at 
>> java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1347)
>>      at
>> java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1964)
>>      at 
>> java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1888)
>>      at
>> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1771) 
>>
>>      at 
>> java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1347)
>>      at java.io.ObjectInputStream.readObject(ObjectInputStream.java:369)
>>      at
>> akka.serialization.JavaSerializer$$anonfun$1.apply(Serializer.scala:136)
>>      at scala.util.DynamicVariable.withValue(DynamicVariable.scala:57)
>>      at 
>> akka.serialization.JavaSerializer.fromBinary(Serializer.scala:136)
>>      at
>> akka.serialization.Serialization$$anonfun$deserialize$1.apply(Serialization.scala:104) 
>>
>>      at scala.util.Try$.apply(Try.scala:161)
>>      at 
>> akka.serialization.Serialization.deserialize(Serialization.scala:98)
>>      at
>> akka.remote.MessageSerializer$.deserialize(MessageSerializer.scala:23)
>>      at
>> akka.remote.DefaultMessageDispatcher.payload$lzycompute$1(Endpoint.scala:55) 
>>
>>      at 
>> akka.remote.DefaultMessageDispatcher.payload$1(Endpoint.scala:55)
>>      at akka.remote.DefaultMessageDispatcher.dispatch(Endpoint.scala:73)
>>      at
>> akka.remote.EndpointReader$$anonfun$receive$2.applyOrElse(Endpoint.scala:764) 
>>
>>      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) 
>>
>> 15/02/24 12:31:42 ERROR Remoting: 
>> org.apache.spark.storage.BlockManagerId;
>> local class incompatible: stream classdesc serialVersionUID =
>> 1677335532749418220, local class serialVersionUID = -7366074099953117729
>> java.io.InvalidClassException: org.apache.spark.storage.BlockManagerId;
>> local class incompatible: stream classdesc serialVersionUID =
>> 1677335532749418220, local class serialVersionUID = -7366074099953117729
>>      at 
>> java.io.ObjectStreamClass.initNonProxy(ObjectStreamClass.java:604)
>>      at
>> java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1601)
>>      at 
>> java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1514)
>>      at
>> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1750) 
>>
>>      at 
>> java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1347)
>>      at
>> java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1964)
>>      at 
>> java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1888)
>>      at
>> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1771) 
>>
>>      at 
>> java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1347)
>>      at java.io.ObjectInputStream.readObject(ObjectInputStream.java:369)
>>      at
>> akka.serialization.JavaSerializer$$anonfun$1.apply(Serializer.scala:136)
>>      at scala.util.DynamicVariable.withValue(DynamicVariable.scala:57)
>>      at 
>> akka.serialization.JavaSerializer.fromBinary(Serializer.scala:136)
>>      at
>> akka.serialization.Serialization$$anonfun$deserialize$1.apply(Serialization.scala:104) 
>>
>>      at scala.util.Try$.apply(Try.scala:161)
>>      at 
>> akka.serialization.Serialization.deserialize(Serialization.scala:98)
>>      at
>> akka.remote.MessageSerializer$.deserialize(MessageSerializer.scala:23)
>>      at
>> akka.remote.DefaultMessageDispatcher.payload$lzycompute$1(Endpoint.scala:55) 
>>
>>      at 
>> akka.remote.DefaultMessageDispatcher.payload$1(Endpoint.scala:55)
>>      at akka.remote.DefaultMessageDispatcher.dispatch(Endpoint.scala:73)
>>      at
>> akka.remote.EndpointReader$$anonfun$receive$2.applyOrElse(Endpoint.scala:764) 
>>
>>      at akka.actor.ActorCell.receiveMessage(ActorCell.scala:498)
>>      at akka.actor.ActorCell.invoke(ActorCell.scala:456)
>>      at akka.dispatch.Mailbox.processMailbox(Mailbox.scala:237)
>>      at akka.dispatch.Mailbox.run(Mailbox.scala:219)
>>      at
>> akka.dispatch.ForkJoinExecutorConfigurator$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) 
>>
>> 15/02/24 12:32:15 ERROR TaskSchedulerImpl: Lost an executor 4 (already
>> removed): remote Akka client disassociated
>> 15/02/24 12:32:51 ERROR Remoting: 
>> org.apache.spark.storage.BlockManagerId;
>> local class incompatible: stream classdesc serialVersionUID =
>> 1677335532749418220, local class serialVersionUID = -7366074099953117729
>> java.io.InvalidClassException: org.apache.spark.storage.BlockManagerId;
>> local class incompatible: stream classdesc serialVersionUID =
>> 1677335532749418220, local class serialVersionUID = -7366074099953117729
>>      at 
>> java.io.ObjectStreamClass.initNonProxy(ObjectStreamClass.java:604)
>>      at
>> java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1601)
>>      at 
>> java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1514)
>>      at
>> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1750) 
>>
>>      at 
>> java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1347)
>>      at
>> java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1964)
>>      at 
>> java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1888)
>>      at
>> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1771) 
>>
>>      at 
>> java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1347)
>>      at java.io.ObjectInputStream.readObject(ObjectInputStream.java:369)
>>      at
>> akka.serialization.JavaSerializer$$anonfun$1.apply(Serializer.scala:136)
>>      at scala.util.DynamicVariable.withValue(DynamicVariable.scala:57)
>>      at 
>> akka.serialization.JavaSerializer.fromBinary(Serializer.scala:136)
>>      at
>> akka.serialization.Serialization$$anonfun$deserialize$1.apply(Serialization.scala:104) 
>>
>>      at scala.util.Try$.apply(Try.scala:161)
>>      at 
>> akka.serialization.Serialization.deserialize(Serialization.scala:98)
>>      at
>> akka.remote.MessageSerializer$.deserialize(MessageSerializer.scala:23)
>>      at
>> akka.remote.DefaultMessageDispatcher.payload$lzycompute$1(Endpoint.scala:55) 
>>
>>      at 
>> akka.remote.DefaultMessageDispatcher.payload$1(Endpoint.scala:55)
>>      at akka.remote.DefaultMessageDispatcher.dispatch(Endpoint.scala:73)
>>      at
>> akka.remote.EndpointReader$$anonfun$receive$2.applyOrElse(Endpoint.scala:764) 
>>
>>      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) 
>>
>> 15/02/24 12:33:24 ERROR Remoting: 
>> org.apache.spark.storage.BlockManagerId;
>> local class incompatible: stream classdesc serialVersionUID =
>> 1677335532749418220, local class serialVersionUID = -7366074099953117729
>> java.io.InvalidClassException: org.apache.spark.storage.BlockManagerId;
>> local class incompatible: stream classdesc serialVersionUID =
>> 1677335532749418220, local class serialVersionUID = -7366074099953117729
>>      at 
>> java.io.ObjectStreamClass.initNonProxy(ObjectStreamClass.java:604)
>>      at
>> java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1601)
>>      at 
>> java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1514)
>>      at
>> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1750) 
>>
>>      at 
>> java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1347)
>>      at
>> java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1964)
>>      at 
>> java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1888)
>>      at
>> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1771) 
>>
>>      at 
>> java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1347)
>>      at java.io.ObjectInputStream.readObject(ObjectInputStream.java:369)
>>      at
>> akka.serialization.JavaSerializer$$anonfun$1.apply(Serializer.scala:136)
>>      at scala.util.DynamicVariable.withValue(DynamicVariable.scala:57)
>>      at 
>> akka.serialization.JavaSerializer.fromBinary(Serializer.scala:136)
>>      at
>> akka.serialization.Serialization$$anonfun$deserialize$1.apply(Serialization.scala:104) 
>>
>>      at scala.util.Try$.apply(Try.scala:161)
>>      at 
>> akka.serialization.Serialization.deserialize(Serialization.scala:98)
>>      at
>> akka.remote.MessageSerializer$.deserialize(MessageSerializer.scala:23)
>>      at
>> akka.remote.DefaultMessageDispatcher.payload$lzycompute$1(Endpoint.scala:55) 
>>
>>      at 
>> akka.remote.DefaultMessageDispatcher.payload$1(Endpoint.scala:55)
>>      at akka.remote.DefaultMessageDispatcher.dispatch(Endpoint.scala:73)
>>      at
>> akka.remote.EndpointReader$$anonfun$receive$2.applyOrElse(Endpoint.scala:764) 
>>
>>      at akka.actor.ActorCell.receiveMessage(ActorCell.scala:498)
>>      at akka.actor.ActorCell.invoke(ActorCell.scala:456)
>>      at akka.dispatch.Mailbox.processMailbox(Mailbox.scala:237)
>>      at akka.dispatch.Mailbox.run(Mailbox.scala:219)
>>      at
>> akka.dispatch.ForkJoinExecutorConfigurator$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) 
>>
>> 15/02/24 12:33:58 ERROR TaskSchedulerImpl: Lost an executor 5 (already
>> removed): remote Akka client disassociated
>> 15/02/24 12:34:34 ERROR Remoting: 
>> org.apache.spark.storage.BlockManagerId;
>> local class incompatible: stream classdesc serialVersionUID =
>> 1677335532749418220, local class serialVersionUID = -7366074099953117729
>> java.io.InvalidClassException: org.apache.spark.storage.BlockManagerId;
>> local class incompatible: stream classdesc serialVersionUID =
>> 1677335532749418220, local class serialVersionUID = -7366074099953117729
>>      at 
>> java.io.ObjectStreamClass.initNonProxy(ObjectStreamClass.java:604)
>>      at
>> java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1601)
>>      at 
>> java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1514)
>>      at
>> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1750) 
>>
>>      at 
>> java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1347)
>>      at
>> java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1964)
>>      at 
>> java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1888)
>>      at
>> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1771) 
>>
>>      at 
>> java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1347)
>>      at java.io.ObjectInputStream.readObject(ObjectInputStream.java:369)
>>      at
>> akka.serialization.JavaSerializer$$anonfun$1.apply(Serializer.scala:136)
>>      at scala.util.DynamicVariable.withValue(DynamicVariable.scala:57)
>>      at 
>> akka.serialization.JavaSerializer.fromBinary(Serializer.scala:136)
>>      at
>> akka.serialization.Serialization$$anonfun$deserialize$1.apply(Serialization.scala:104) 
>>
>>      at scala.util.Try$.apply(Try.scala:161)
>>      at 
>> akka.serialization.Serialization.deserialize(Serialization.scala:98)
>>      at
>> akka.remote.MessageSerializer$.deserialize(MessageSerializer.scala:23)
>>      at
>> akka.remote.DefaultMessageDispatcher.payload$lzycompute$1(Endpoint.scala:55) 
>>
>>      at 
>> akka.remote.DefaultMessageDispatcher.payload$1(Endpoint.scala:55)
>>      at akka.remote.DefaultMessageDispatcher.dispatch(Endpoint.scala:73)
>>      at
>> akka.remote.EndpointReader$$anonfun$receive$2.applyOrElse(Endpoint.scala:764) 
>>
>>      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) 
>>
>> 15/02/24 12:35:07 ERROR Remoting: 
>> org.apache.spark.storage.BlockManagerId;
>> local class incompatible: stream classdesc serialVersionUID =
>> 1677335532749418220, local class serialVersionUID = -7366074099953117729
>> java.io.InvalidClassException: org.apache.spark.storage.BlockManagerId;
>> local class incompatible: stream classdesc serialVersionUID =
>> 1677335532749418220, local class serialVersionUID = -7366074099953117729
>>      at 
>> java.io.ObjectStreamClass.initNonProxy(ObjectStreamClass.java:604)
>>      at
>> java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1601)
>>      at 
>> java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1514)
>>      at
>> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1750) 
>>
>>      at 
>> java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1347)
>>      at
>> java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1964)
>>      at 
>> java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1888)
>>      at
>> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1771) 
>>
>>      at 
>> java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1347)
>>      at java.io.ObjectInputStream.readObject(ObjectInputStream.java:369)
>>      at
>> akka.serialization.JavaSerializer$$anonfun$1.apply(Serializer.scala:136)
>>      at scala.util.DynamicVariable.withValue(DynamicVariable.scala:57)
>>      at 
>> akka.serialization.JavaSerializer.fromBinary(Serializer.scala:136)
>>      at
>> akka.serialization.Serialization$$anonfun$deserialize$1.apply(Serialization.scala:104) 
>>
>>      at scala.util.Try$.apply(Try.scala:161)
>>      at 
>> akka.serialization.Serialization.deserialize(Serialization.scala:98)
>>      at
>> akka.remote.MessageSerializer$.deserialize(MessageSerializer.scala:23)
>>      at
>> akka.remote.DefaultMessageDispatcher.payload$lzycompute$1(Endpoint.scala:55) 
>>
>>      at 
>> akka.remote.DefaultMessageDispatcher.payload$1(Endpoint.scala:55)
>>      at akka.remote.DefaultMessageDispatcher.dispatch(Endpoint.scala:73)
>>      at
>> akka.remote.EndpointReader$$anonfun$receive$2.applyOrElse(Endpoint.scala:764) 
>>
>>      at akka.actor.ActorCell.receiveMessage(ActorCell.scala:498)
>>      at akka.actor.ActorCell.invoke(ActorCell.scala:456)
>>      at akka.dispatch.Mailbox.processMailbox(Mailbox.scala:237)
>>      at akka.dispatch.Mailbox.run(Mailbox.scala:219)
>>      at
>> akka.dispatch.ForkJoinExecutorConfigurator$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) 
>>
>> 15/02/24 12:35:41 ERROR TaskSchedulerImpl: Lost an executor 6 (already
>> removed): remote Akka client disassociated
>> 15/02/24 12:36:17 ERROR Remoting: 
>> org.apache.spark.storage.BlockManagerId;
>> local class incompatible: stream classdesc serialVersionUID =
>> 1677335532749418220, local class serialVersionUID = -7366074099953117729
>> java.io.InvalidClassException: org.apache.spark.storage.BlockManagerId;
>> local class incompatible: stream classdesc serialVersionUID =
>> 1677335532749418220, local class serialVersionUID = -7366074099953117729
>>      at 
>> java.io.ObjectStreamClass.initNonProxy(ObjectStreamClass.java:604)
>>      at
>> java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1601)
>>      at 
>> java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1514)
>>      at
>> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1750) 
>>
>>      at 
>> java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1347)
>>      at
>> java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1964)
>>      at 
>> java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1888)
>>      at
>> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1771) 
>>
>>      at 
>> java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1347)
>>      at java.io.ObjectInputStream.readObject(ObjectInputStream.java:369)
>>      at
>> akka.serialization.JavaSerializer$$anonfun$1.apply(Serializer.scala:136)
>>      at scala.util.DynamicVariable.withValue(DynamicVariable.scala:57)
>>      at 
>> akka.serialization.JavaSerializer.fromBinary(Serializer.scala:136)
>>      at
>> akka.serialization.Serialization$$anonfun$deserialize$1.apply(Serialization.scala:104) 
>>
>>      at scala.util.Try$.apply(Try.scala:161)
>>      at 
>> akka.serialization.Serialization.deserialize(Serialization.scala:98)
>>      at
>> akka.remote.MessageSerializer$.deserialize(MessageSerializer.scala:23)
>>      at
>> akka.remote.DefaultMessageDispatcher.payload$lzycompute$1(Endpoint.scala:55) 
>>
>>      at 
>> akka.remote.DefaultMessageDispatcher.payload$1(Endpoint.scala:55)
>>      at akka.remote.DefaultMessageDispatcher.dispatch(Endpoint.scala:73)
>>      at
>> akka.remote.EndpointReader$$anonfun$receive$2.applyOrElse(Endpoint.scala:764) 
>>
>>      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) 
>>
>> 15/02/24 12:36:50 ERROR Remoting: 
>> org.apache.spark.storage.BlockManagerId;
>> local class incompatible: stream classdesc serialVersionUID =
>> 1677335532749418220, local class serialVersionUID = -7366074099953117729
>> java.io.InvalidClassException: org.apache.spark.storage.BlockManagerId;
>> local class incompatible: stream classdesc serialVersionUID =
>> 1677335532749418220, local class serialVersionUID = -7366074099953117729
>>      at 
>> java.io.ObjectStreamClass.initNonProxy(ObjectStreamClass.java:604)
>>      at
>> java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1601)
>>      at 
>> java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1514)
>>      at
>> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1750) 
>>
>>      at 
>> java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1347)
>>      at
>> java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1964)
>>      at 
>> java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1888)
>>      at
>> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1771) 
>>
>>      at 
>> java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1347)
>>      at java.io.ObjectInputStream.readObject(ObjectInputStream.java:369)
>>      at
>> akka.serialization.JavaSerializer$$anonfun$1.apply(Serializer.scala:136)
>>      at scala.util.DynamicVariable.withValue(DynamicVariable.scala:57)
>>      at 
>> akka.serialization.JavaSerializer.fromBinary(Serializer.scala:136)
>>      at
>> akka.serialization.Serialization$$anonfun$deserialize$1.apply(Serialization.scala:104) 
>>
>>      at scala.util.Try$.apply(Try.scala:161)
>>      at 
>> akka.serialization.Serialization.deserialize(Serialization.scala:98)
>>      at
>> akka.remote.MessageSerializer$.deserialize(MessageSerializer.scala:23)
>>      at
>> akka.remote.DefaultMessageDispatcher.payload$lzycompute$1(Endpoint.scala:55) 
>>
>>      at 
>> akka.remote.DefaultMessageDispatcher.payload$1(Endpoint.scala:55)
>>      at akka.remote.DefaultMessageDispatcher.dispatch(Endpoint.scala:73)
>>      at
>> akka.remote.EndpointReader$$anonfun$receive$2.applyOrElse(Endpoint.scala:764) 
>>
>>      at akka.actor.ActorCell.receiveMessage(ActorCell.scala:498)
>>      at akka.actor.ActorCell.invoke(ActorCell.scala:456)
>>      at akka.dispatch.Mailbox.processMailbox(Mailbox.scala:237)
>>      at akka.dispatch.Mailbox.run(Mailbox.scala:219)
>>      at
>> akka.dispatch.ForkJoinExecutorConfigurator$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) 
>>
>> 15/02/24 12:37:23 ERROR TaskSchedulerImpl: Lost an executor 7 (already
>> removed): remote Akka client disassociated
>> 15/02/24 12:38:00 ERROR Remoting: 
>> org.apache.spark.storage.BlockManagerId;
>> local class incompatible: stream classdesc serialVersionUID =
>> 1677335532749418220, local class serialVersionUID = -7366074099953117729
>> java.io.InvalidClassException: org.apache.spark.storage.BlockManagerId;
>> local class incompatible: stream classdesc serialVersionUID =
>> 1677335532749418220, local class serialVersionUID = -7366074099953117729
>>      at 
>> java.io.ObjectStreamClass.initNonProxy(ObjectStreamClass.java:604)
>>      at
>> java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1601)
>>      at 
>> java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1514)
>>      at
>> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1750) 
>>
>>      at 
>> java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1347)
>>      at
>> java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1964)
>>      at 
>> java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1888)
>>      at
>> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1771) 
>>
>>      at 
>> java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1347)
>>      at java.io.ObjectInputStream.readObject(ObjectInputStream.java:369)
>>      at
>> akka.serialization.JavaSerializer$$anonfun$1.apply(Serializer.scala:136)
>>      at scala.util.DynamicVariable.withValue(DynamicVariable.scala:57)
>>      at 
>> akka.serialization.JavaSerializer.fromBinary(Serializer.scala:136)
>>      at
>> akka.serialization.Serialization$$anonfun$deserialize$1.apply(Serialization.scala:104) 
>>
>>      at scala.util.Try$.apply(Try.scala:161)
>>      at 
>> akka.serialization.Serialization.deserialize(Serialization.scala:98)
>>      at
>> akka.remote.MessageSerializer$.deserialize(MessageSerializer.scala:23)
>>      at
>> akka.remote.DefaultMessageDispatcher.payload$lzycompute$1(Endpoint.scala:55) 
>>
>>      at 
>> akka.remote.DefaultMessageDispatcher.payload$1(Endpoint.scala:55)
>>      at akka.remote.DefaultMessageDispatcher.dispatch(Endpoint.scala:73)
>>      at
>> akka.remote.EndpointReader$$anonfun$receive$2.applyOrElse(Endpoint.scala:764) 
>>
>>      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) 
>>
>> 15/02/24 12:38:33 ERROR Remoting: 
>> org.apache.spark.storage.BlockManagerId;
>> local class incompatible: stream classdesc serialVersionUID =
>> 1677335532749418220, local class serialVersionUID = -7366074099953117729
>> java.io.InvalidClassException: org.apache.spark.storage.BlockManagerId;
>> local class incompatible: stream classdesc serialVersionUID =
>> 1677335532749418220, local class serialVersionUID = -7366074099953117729
>>      at 
>> java.io.ObjectStreamClass.initNonProxy(ObjectStreamClass.java:604)
>>      at
>> java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1601)
>>      at 
>> java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1514)
>>      at
>> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1750) 
>>
>>      at 
>> java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1347)
>>      at
>> java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1964)
>>      at 
>> java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1888)
>>      at
>> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1771) 
>>
>>      at 
>> java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1347)
>>      at java.io.ObjectInputStream.readObject(ObjectInputStream.java:369)
>>      at
>> akka.serialization.JavaSerializer$$anonfun$1.apply(Serializer.scala:136)
>>      at scala.util.DynamicVariable.withValue(DynamicVariable.scala:57)
>>      at 
>> akka.serialization.JavaSerializer.fromBinary(Serializer.scala:136)
>>      at
>> akka.serialization.Serialization$$anonfun$deserialize$1.apply(Serialization.scala:104) 
>>
>>      at scala.util.Try$.apply(Try.scala:161)
>>      at 
>> akka.serialization.Serialization.deserialize(Serialization.scala:98)
>>      at
>> akka.remote.MessageSerializer$.deserialize(MessageSerializer.scala:23)
>>      at
>> akka.remote.DefaultMessageDispatcher.payload$lzycompute$1(Endpoint.scala:55) 
>>
>>      at 
>> akka.remote.DefaultMessageDispatcher.payload$1(Endpoint.scala:55)
>>      at akka.remote.DefaultMessageDispatcher.dispatch(Endpoint.scala:73)
>>      at
>> akka.remote.EndpointReader$$anonfun$receive$2.applyOrElse(Endpoint.scala:764) 
>>
>>      at akka.actor.ActorCell.receiveMessage(ActorCell.scala:498)
>>      at akka.actor.ActorCell.invoke(ActorCell.scala:456)
>>      at akka.dispatch.Mailbox.processMailbox(Mailbox.scala:237)
>>      at akka.dispatch.Mailbox.run(Mailbox.scala:219)
>>      at
>> akka.dispatch.ForkJoinExecutorConfigurator$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) 
>>
>> 15/02/24 12:39:06 ERROR TaskSchedulerImpl: Lost an executor 8 (already
>> removed): remote Akka client disassociated
>> 15/02/24 12:39:43 ERROR Remoting: 
>> org.apache.spark.storage.BlockManagerId;
>> local class incompatible: stream classdesc serialVersionUID =
>> 1677335532749418220, local class serialVersionUID = -7366074099953117729
>> java.io.InvalidClassException: org.apache.spark.storage.BlockManagerId;
>> local class incompatible: stream classdesc serialVersionUID =
>> 1677335532749418220, local class serialVersionUID = -7366074099953117729
>>      at 
>> java.io.ObjectStreamClass.initNonProxy(ObjectStreamClass.java:604)
>>      at
>> java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1601)
>>      at 
>> java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1514)
>>      at
>> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1750) 
>>
>>      at 
>> java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1347)
>>      at
>> java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1964)
>>      at 
>> java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1888)
>>      at
>> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1771) 
>>
>>      at 
>> java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1347)
>>      at java.io.ObjectInputStream.readObject(ObjectInputStream.java:369)
>>      at
>> akka.serialization.JavaSerializer$$anonfun$1.apply(Serializer.scala:136)
>>      at scala.util.DynamicVariable.withValue(DynamicVariable.scala:57)
>>      at 
>> akka.serialization.JavaSerializer.fromBinary(Serializer.scala:136)
>>      at
>> akka.serialization.Serialization$$anonfun$deserialize$1.apply(Serialization.scala:104) 
>>
>>      at scala.util.Try$.apply(Try.scala:161)
>>      at 
>> akka.serialization.Serialization.deserialize(Serialization.scala:98)
>>      at
>> akka.remote.MessageSerializer$.deserialize(MessageSerializer.scala:23)
>>      at
>> akka.remote.DefaultMessageDispatcher.payload$lzycompute$1(Endpoint.scala:55) 
>>
>>      at 
>> akka.remote.DefaultMessageDispatcher.payload$1(Endpoint.scala:55)
>>      at akka.remote.DefaultMessageDispatcher.dispatch(Endpoint.scala:73)
>>      at
>> akka.remote.EndpointReader$$anonfun$receive$2.applyOrElse(Endpoint.scala:764) 
>>
>>      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) 
>>
>> 15/02/24 12:40:16 ERROR Remoting: 
>> org.apache.spark.storage.BlockManagerId;
>> local class incompatible: stream classdesc serialVersionUID =
>> 1677335532749418220, local class serialVersionUID = -7366074099953117729
>> java.io.InvalidClassException: org.apache.spark.storage.BlockManagerId;
>> local class incompatible: stream classdesc serialVersionUID =
>> 1677335532749418220, local class serialVersionUID = -7366074099953117729
>>      at 
>> java.io.ObjectStreamClass.initNonProxy(ObjectStreamClass.java:604)
>>      at
>> java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1601)
>>      at 
>> java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1514)
>>      at
>> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1750) 
>>
>>      at 
>> java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1347)
>>      at
>> java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1964)
>>      at 
>> java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1888)
>>      at
>> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1771) 
>>
>>      at 
>> java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1347)
>>      at java.io.ObjectInputStream.readObject(ObjectInputStream.java:369)
>>      at
>> akka.serialization.JavaSerializer$$anonfun$1.apply(Serializer.scala:136)
>>      at scala.util.DynamicVariable.withValue(DynamicVariable.scala:57)
>>      at 
>> akka.serialization.JavaSerializer.fromBinary(Serializer.scala:136)
>>      at
>> akka.serialization.Serialization$$anonfun$deserialize$1.apply(Serialization.scala:104) 
>>
>>      at scala.util.Try$.apply(Try.scala:161)
>>      at 
>> akka.serialization.Serialization.deserialize(Serialization.scala:98)
>>      at
>> akka.remote.MessageSerializer$.deserialize(MessageSerializer.scala:23)
>>      at
>> akka.remote.DefaultMessageDispatcher.payload$lzycompute$1(Endpoint.scala:55) 
>>
>>      at 
>> akka.remote.DefaultMessageDispatcher.payload$1(Endpoint.scala:55)
>>      at akka.remote.DefaultMessageDispatcher.dispatch(Endpoint.scala:73)
>>      at
>> akka.remote.EndpointReader$$anonfun$receive$2.applyOrElse(Endpoint.scala:764) 
>>
>>      at akka.actor.ActorCell.receiveMessage(ActorCell.scala:498)
>>      at akka.actor.ActorCell.invoke(ActorCell.scala:456)
>>      at akka.dispatch.Mailbox.processMailbox(Mailbox.scala:237)
>>      at akka.dispatch.Mailbox.run(Mailbox.scala:219)
>>      at
>> akka.dispatch.ForkJoinExecutorConfigurator$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) 
>>
>> 15/02/24 12:40:49 ERROR TaskSchedulerImpl: Lost an executor 9 (already
>> removed): remote Akka client disassociated
>> 15/02/24 12:40:49 ERROR SparkDeploySchedulerBackend: Application has 
>> been
>> killed. Reason: Master removed our application: FAILED
>> 15/02/24 12:40:49 ERROR TaskSchedulerImpl: Exiting due to error from
>> cluster scheduler: Master removed our application: FAILED
>>
>>
>> On Tue, Feb 24, 2015 at 12:24 PM, Andrew Musselman <
>> andrew.musselman@gmail.com> wrote:
>>
>>> Bingo, works off master now; thanks Dmitriy.
>>>
>>> On Tue, Feb 24, 2015 at 11:54 AM, Dmitriy Lyubimov <dlieu.7@gmail.com>
>>> wrote:
>>>
>>>> ok spark 1.2 is mirrored now.
>>>> and master should be also ok (back to 1.1)
>>>>
>>>> On Tue, Feb 24, 2015 at 11:53 AM, Andrew Musselman <
>>>> andrew.musselman@gmail.com> wrote:
>>>>
>>>>> I reset hard to the previous commit, created a branch, and pushed it.
>>>>>
>>>>> I got email confirmation like so:
>>>>> Repository: mahout
>>>>> Updated Branches:
>>>>>    refs/heads/spark-1.2 [created] 901ef03b4
>>>>>
>>>>> On Tue, Feb 24, 2015 at 11:47 AM, Dmitriy Lyubimov 
>>>>> <dlieu.7@gmail.com>
>>>>> wrote:
>>>>>
>>>>>> yeah ok so you pushed 1.2 branch to asf but it is not yet in github.
>>>> iti
>>>>>> should be there eventually, give it a bit of time.
>>>>>>
>>>>>> On Tue, Feb 24, 2015 at 11:35 AM, Dmitriy Lyubimov 
>>>>>> <dlieu.7@gmail.com
>>>>>> wrote:
>>>>>>
>>>>>>> what exactly did you try to do?
>>>>>>>
>>>>>>> just resetting HEAD will not work on remote branch -- you need
>>>>> force-sync
>>>>>>> that (with +) since it is a history-rewriting push, but asf git 
>>>>>>> does
>>>>> not
>>>>>>> allow that.
>>>>>>>
>>>>>>> ASF will mirror ALL branches afaik. I think i've done it before. so
>>>> if
>>>>>> you
>>>>>>> create a new one it should (eventually) get there.
>>>>>>>
>>>>>>> On Tue, Feb 24, 2015 at 11:18 AM, Andrew Musselman <
>>>>>>> andrew.musselman@gmail.com> wrote:
>>>>>>>
>>>>>>>> Does ASF git get mirrored to GitHub?  I tried pushing a branch and
>>>>> don't
>>>>>>>> see it there yet.
>>>>>>>>
>>>>>>>> On Tue, Feb 24, 2015 at 11:16 AM, Dmitriy Lyubimov <
>>>> dlieu.7@gmail.com
>>>>>>>> wrote:
>>>>>>>>
>>>>>>>>> On Tue, Feb 24, 2015 at 10:55 AM, Pat Ferrel <
>>>> pat@occamsmachete.com
>>>>>>>>> wrote:
>>>>>>>>>
>>>>>>>>>> to be safe I’d “git reset —hard xyz” to the commit previous to
>>>> the
>>>>>>>> 1.2.1
>>>>>>>>> As i just explained, that resets are not possible with ASF git.
>>>>>>>> Reverting
>>>>>>>>> is the only option.
>>>>>>>>>
>>>>>>>>> -d
>>>>>>>>>
>>>>>>>
>>>
>
>


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