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Sven Krasser commented on SPARK-5051: ------------------------------------- Do you see {{/home/npokala/data/spark-install/spark-java-1.6/spark-master/python/pyspark/daemon.py}} on both machines? > python: module pyspark.daemon not found > --------------------------------------- > > Key: SPARK-5051 > URL: https://issues.apache.org/jira/browse/SPARK-5051 > Project: Spark > Issue Type: Bug > Components: PySpark > Affects Versions: 1.2.0 > Reporter: naveen kumar > > Hi, > I am using spark 1.2 jar. I set up a 2 node spark cluster on unix machines > Now i am trying to connect to above mentioned cluster and execute the > following commands > lines = sc.textFile("hdfs://master/data/spark/SINGLE.TXT") > lineLengths = lines.map(lambda s: len(s)) > totalLength = lineLengths.reduce(lambda a, b: a + b) > It is giving following exception > Please help me to resolve this issue. > python: module pyspark.daemon not found > PYTHONPATH was: > > /home/npokala/data/spark-install/spark-java-1.6/spark-master/python:/home/npokala/data/spark-install/spark-java-1.6/spark-master/python/lib/py4j-0.8.2.1-src.zip:/home/npokala/data/spark-install/spark-java-1.6/spark-master/assembly/target/scala-2.10/spark-assembly-1.3.0-SNAPSHOT-hadoop2.4.0.jar:/home/npokala/data/spark-install/spark-java-1.6/spark-master/sbin/../python/lib/py4j-0.8.2.1-src.zip:/home/npokala/data/spark-install/spark-java-1.6/spark-master/sbin/../python: > java.io.EOFException > at java.io.DataInputStream.readInt(DataInputStream.java:392) > at > org.apache.spark.api.python.PythonWorkerFactory.startDaemon(PythonWorkerFactory.scala:163) > at > org.apache.spark.api.python.PythonWorkerFactory.createThroughDaemon(PythonWorkerFactory.scala:86) > at > org.apache.spark.api.python.PythonWorkerFactory.create(PythonWorkerFactory.scala:62) > at org.apache.spark.SparkEnv.createPythonWorker(SparkEnv.scala:102) > at org.apache.spark.api.python.PythonRDD.compute(PythonRDD.scala:70) > at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:265) > at org.apache.spark.rdd.RDD.iterator(RDD.scala:232) > at org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:61) > at org.apache.spark.scheduler.Task.run(Task.scala:56) > at > org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:196) > at > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) > at java.lang.Thread.run(Thread.java:745) > Driver stacktrace: > at > org.apache.spark.scheduler.DAGScheduler.org$apache$spark$scheduler$DAGScheduler$$failJobAndIndependentStages(DAGScheduler.scala:1214) > at > org.apache.spark.scheduler.DAGScheduler$$anonfun$abortStage$1.apply(DAGScheduler.scala:1203) > at > org.apache.spark.scheduler.DAGScheduler$$anonfun$abortStage$1.apply(DAGScheduler.scala:1202) > at > scala.collection.mutable.ResizableArray$class.foreach(ResizableArray.scala:59) > at scala.collection.mutable.ArrayBuffer.foreach(ArrayBuffer.scala:47) > at > org.apache.spark.scheduler.DAGScheduler.abortStage(DAGScheduler.scala:1202) > at > org.apache.spark.scheduler.DAGScheduler$$anonfun$handleTaskSetFailed$1.apply(DAGScheduler.scala:696) > at > org.apache.spark.scheduler.DAGScheduler$$anonfun$handleTaskSetFailed$1.apply(DAGScheduler.scala:696) > at scala.Option.foreach(Option.scala:236) > at > org.apache.spark.scheduler.DAGScheduler.handleTaskSetFailed(DAGScheduler.scala:696) > at > org.apache.spark.scheduler.DAGSchedulerEventProcessActor$$anonfun$receive$2.applyOrElse(DAGScheduler.scala:1420) > at akka.actor.Actor$class.aroundReceive(Actor.scala:465) > at > org.apache.spark.scheduler.DAGSchedulerEventProcessActor.aroundReceive(DAGScheduler.scala:1375) > at akka.actor.ActorCell.receiveMessage(ActorCell.scala:516) > at akka.actor.ActorCell.invoke(ActorCell.scala:487) > at akka.dispatch.Mailbox.processMailbox(Mailbox.scala:238) > at akka.dispatch.Mailbox.run(Mailbox.scala:220) > at > akka.dispatch.ForkJoinExecutorConfigurator$AkkaForkJoinTask.exec(AbstractDispatcher.scala:393) > at > scala.concurrent.forkjoin.ForkJoinTask.doExec(ForkJoinTask.java:260) > at > scala.concurrent.forkjoin.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1339) > at > scala.concurrent.forkjoin.ForkJoinPool.runWorker(ForkJoinPool.java:1979) > at > scala.concurrent.forkjoin.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:107) -- This message was sent by Atlassian JIRA (v6.3.4#6332) --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org