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https://issues.apache.org/jira/browse/SPARK-1867?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14321747#comment-14321747
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Philippe Girolami commented on SPARK-1867:
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I tried this afternoon again using the 1.3 snapshot and I still run into it. I
have checked that the Java version I compiled with is the same as the one I'm
running
{code}
Philippes-MacBook-Air-3:spark Philippe$ java -version
java version "1.7.0_75"
Java(TM) SE Runtime Environment (build 1.7.0_75-b13)
Java HotSpot(TM) 64-Bit Server VM (build 24.75-b04, mixed mode)
Philippes-MacBook-Air-3:spark Philippe$ mvn -version
Apache Maven 3.2.3 (33f8c3e1027c3ddde99d3cdebad2656a31e8fdf4;
2014-08-11T22:58:10+02:00)
Maven home: /Users/Philippe/Documents/apache-maven-3.2.3
Java version: 1.7.0_75, vendor: Oracle Corporation
Java home: /Library/Java/JavaVirtualMachines/jdk1.7.0_75.jdk/Contents/Home/jre
Default locale: en_US, platform encoding: UTF-8
OS name: "mac os x", version: "10.9.5", arch: "x86_64", family: "mac"
{code}
Maybe another JVM gets chosen when I run spark-shell ? Is there a log somewhere
that I could check ?
> Spark Documentation Error causes java.lang.IllegalStateException: unread
> block data
> -----------------------------------------------------------------------------------
>
> Key: SPARK-1867
> URL: https://issues.apache.org/jira/browse/SPARK-1867
> Project: Spark
> Issue Type: Bug
> Reporter: sam
>
> I've employed two System Administrators on a contract basis (for quite a bit
> of money), and both contractors have independently hit the following
> exception. What we are doing is:
> 1. Installing Spark 0.9.1 according to the documentation on the website,
> along with CDH4 (and another cluster with CDH5) distros of hadoop/hdfs.
> 2. Building a fat jar with a Spark app with sbt then trying to run it on the
> cluster
> I've also included code snippets, and sbt deps at the bottom.
> When I've Googled this, there seems to be two somewhat vague responses:
> a) Mismatching spark versions on nodes/user code
> b) Need to add more jars to the SparkConf
> Now I know that (b) is not the problem having successfully run the same code
> on other clusters while only including one jar (it's a fat jar).
> But I have no idea how to check for (a) - it appears Spark doesn't have any
> version checks or anything - it would be nice if it checked versions and
> threw a "mismatching version exception: you have user code using version X
> and node Y has version Z".
> I would be very grateful for advice on this.
> The exception:
> Exception in thread "main" org.apache.spark.SparkException: Job aborted: Task
> 0.0:1 failed 32 times (most recent failure: Exception failure:
> java.lang.IllegalStateException: unread block data)
> at
> org.apache.spark.scheduler.DAGScheduler$$anonfun$org$apache$spark$scheduler$DAGScheduler$$abortStage$1.apply(DAGScheduler.scala:1020)
> at
> org.apache.spark.scheduler.DAGScheduler$$anonfun$org$apache$spark$scheduler$DAGScheduler$$abortStage$1.apply(DAGScheduler.scala:1018)
> at
> scala.collection.mutable.ResizableArray$class.foreach(ResizableArray.scala:59)
> at scala.collection.mutable.ArrayBuffer.foreach(ArrayBuffer.scala:47)
> at
> org.apache.spark.scheduler.DAGScheduler.org$apache$spark$scheduler$DAGScheduler$$abortStage(DAGScheduler.scala:1018)
> at
> org.apache.spark.scheduler.DAGScheduler$$anonfun$processEvent$10.apply(DAGScheduler.scala:604)
> at
> org.apache.spark.scheduler.DAGScheduler$$anonfun$processEvent$10.apply(DAGScheduler.scala:604)
> at scala.Option.foreach(Option.scala:236)
> at
> org.apache.spark.scheduler.DAGScheduler.processEvent(DAGScheduler.scala:604)
> at
> org.apache.spark.scheduler.DAGScheduler$$anonfun$start$1$$anon$2$$anonfun$receive$1.applyOrElse(DAGScheduler.scala:190)
> at akka.actor.ActorCell.receiveMessage(ActorCell.scala:498)
> at akka.actor.ActorCell.invoke(ActorCell.scala:456)
> at akka.dispatch.Mailbox.processMailbox(Mailbox.scala:237)
> at akka.dispatch.Mailbox.run(Mailbox.scala:219)
> at
> akka.dispatch.ForkJoinExecutorConfigurator$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)
> 14/05/16 18:05:31 INFO scheduler.TaskSetManager: Loss was due to
> java.lang.IllegalStateException: unread block data [duplicate 59]
> My code snippet:
> val conf = new SparkConf()
> .setMaster(clusterMaster)
> .setAppName(appName)
> .setSparkHome(sparkHome)
> .setJars(SparkContext.jarOfClass(this.getClass))
> println("count = " + new SparkContext(conf).textFile(someHdfsPath).count())
> My SBT dependencies:
> // relevant
> "org.apache.spark" % "spark-core_2.10" % "0.9.1",
> "org.apache.hadoop" % "hadoop-client" % "2.3.0-mr1-cdh5.0.0",
> // standard, probably unrelated
> "com.github.seratch" %% "awscala" % "[0.2,)",
> "org.scalacheck" %% "scalacheck" % "1.10.1" % "test",
> "org.specs2" %% "specs2" % "1.14" % "test",
> "org.scala-lang" % "scala-reflect" % "2.10.3",
> "org.scalaz" %% "scalaz-core" % "7.0.5",
> "net.minidev" % "json-smart" % "1.2"
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