HI , I am getting this error in hadoop - yarn -spark , I see hadoop is running but when we execute spark shell. spark-shell 18/08/13 05:25:39 WARN NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where applicable Setting default log level to "WARN". To adjust logging level use sc.setLogLevel(newLevel). For SparkR, use setLogLevel(newLevel). 18/08/13 05:25:54 ERROR SparkContext: Error initializing SparkContext. org.apache.spark.SparkException: Yarn application has already ended! It might have been killed or unable to launch application master. at org.apache.spark.scheduler.cluster.YarnClientSchedulerBackend.waitForApplication(YarnClientSchedulerBackend.scala:89) at org.apache.spark.scheduler.cluster.YarnClientSchedulerBackend.start(YarnClientSchedulerBackend.scala:63) at org.apache.spark.scheduler.TaskSchedulerImpl.start(TaskSchedulerImpl.scala:164) at org.apache.spark.SparkContext.<init>(SparkContext.scala:500) at org.apache.spark.SparkContext$.getOrCreate(SparkContext.scala:2493) at org.apache.spark.sql.SparkSession$Builder$anonfun$7.apply(SparkSession.scala:933) at org.apache.spark.sql.SparkSession$Builder$anonfun$7.apply(SparkSession.scala:924) at scala.Option.getOrElse(Option.scala:121) at org.apache.spark.sql.SparkSession$Builder.getOrCreate(SparkSession.scala:924) at org.apache.spark.repl.Main$.createSparkSession(Main.scala:109) at $line3.$read$iw$iw.<init>(<console>:15) at $line3.$read$iw.<init>(<console>:43) at $line3.$read.<init>(<console>:45) at $line3.$read$.<init>(<console>:49) at $line3.$read$.<clinit>(<console>) at $line3.$eval$.$print$lzycompute(<console>:7) at $line3.$eval$.$print(<console>:6) at $line3.$eval.$print(<console>) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at scala.tools.nsc.interpreter.IMain$ReadEvalPrint.call(IMain.scala:786) at scala.tools.nsc.interpreter.IMain$Request.loadAndRun(IMain.scala:1047) at scala.tools.nsc.interpreter.IMain$WrappedRequest$anonfun$loadAndRunReq$1.apply(IMain.scala:638) at scala.tools.nsc.interpreter.IMain$WrappedRequest$anonfun$loadAndRunReq$1.apply(IMain.scala:637) at scala.reflect.internal.util.ScalaClassLoader$class.asContext(ScalaClassLoader.scala:31) at scala.reflect.internal.util.AbstractFileClassLoader.asContext(AbstractFileClassLoader.scala:19) at scala.tools.nsc.interpreter.IMain$WrappedRequest.loadAndRunReq(IMain.scala:637) at scala.tools.nsc.interpreter.IMain.interpret(IMain.scala:569) at scala.tools.nsc.interpreter.IMain.interpret(IMain.scala:565) at scala.tools.nsc.interpreter.ILoop.interpretStartingWith(ILoop.scala:807) at scala.tools.nsc.interpreter.ILoop.command(ILoop.scala:681) at scala.tools.nsc.interpreter.ILoop.processLine(ILoop.scala:395) at org.apache.spark.repl.SparkILoop$anonfun$initializeSpark$1$anonfun$apply$mcV$sp$1$anonfun$apply$mcV$sp$2.apply(SparkILoop.scala:79) at org.apache.spark.repl.SparkILoop$anonfun$initializeSpark$1$anonfun$apply$mcV$sp$1$anonfun$apply$mcV$sp$2.apply(SparkILoop.scala:79) at scala.collection.immutable.List.foreach(List.scala:381) at org.apache.spark.repl.SparkILoop$anonfun$initializeSpark$1$anonfun$apply$mcV$sp$1.apply$mcV$sp(SparkILoop.scala:79) at org.apache.spark.repl.SparkILoop$anonfun$initializeSpark$1$anonfun$apply$mcV$sp$1.apply(SparkILoop.scala:79) at org.apache.spark.repl.SparkILoop$anonfun$initializeSpark$1$anonfun$apply$mcV$sp$1.apply(SparkILoop.scala:79) at scala.tools.nsc.interpreter.ILoop.savingReplayStack(ILoop.scala:91) at org.apache.spark.repl.SparkILoop$anonfun$initializeSpark$1.apply$mcV$sp(SparkILoop.scala:78) at org.apache.spark.repl.SparkILoop$anonfun$initializeSpark$1.apply(SparkILoop.scala:78) at org.apache.spark.repl.SparkILoop$anonfun$initializeSpark$1.apply(SparkILoop.scala:78) at scala.tools.nsc.interpreter.IMain.beQuietDuring(IMain.scala:214) at org.apache.spark.repl.SparkILoop.initializeSpark(SparkILoop.scala:77) at org.apache.spark.repl.SparkILoop.loadFiles(SparkILoop.scala:110) at scala.tools.nsc.interpreter.ILoop$anonfun$process$1.apply$mcZ$sp(ILoop.scala:920) at scala.tools.nsc.interpreter.ILoop$anonfun$process$1.apply(ILoop.scala:909) at scala.tools.nsc.interpreter.ILoop$anonfun$process$1.apply(ILoop.scala:909) at scala.reflect.internal.util.ScalaClassLoader$.savingContextLoader(ScalaClassLoader.scala:97) at scala.tools.nsc.interpreter.ILoop.process(ILoop.scala:909) at org.apache.spark.repl.Main$.doMain(Main.scala:76) at org.apache.spark.repl.Main$.main(Main.scala:56) at org.apache.spark.repl.Main.main(Main.scala) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.apache.spark.deploy.JavaMainApplication.start(SparkApplication.scala:52) at org.apache.spark.deploy.SparkSubmit$.org$apache$spark$deploy$SparkSubmit$runMain(SparkSubmit.scala:894) at org.apache.spark.deploy.SparkSubmit$.doRunMain$1(SparkSubmit.scala:198) at org.apache.spark.deploy.SparkSubmit$.submit(SparkSubmit.scala:228) at org.apache.spark.deploy.SparkSubmit$.main(SparkSubmit.scala:137) at org.apache.spark.deploy.SparkSubmit.main(SparkSubmit.scala) 18/08/13 05:25:54 WARN YarnSchedulerBackend$YarnSchedulerEndpoint: Attempted to request executors before the AM has registered! 18/08/13 05:25:54 WARN MetricsSystem: Stopping a MetricsSystem that is not running org.apache.spark.SparkException: Yarn application has already ended! It might have been killed or unable to launch application master. at org.apache.spark.scheduler.cluster.YarnClientSchedulerBackend.waitForApplication(YarnClientSchedulerBackend.scala:89) at org.apache.spark.scheduler.cluster.YarnClientSchedulerBackend.start(YarnClientSchedulerBackend.scala:63) at org.apache.spark.scheduler.TaskSchedulerImpl.start(TaskSchedulerImpl.scala:164) at org.apache.spark.SparkContext.<init>(SparkContext.scala:500) at org.apache.spark.SparkContext$.getOrCreate(SparkContext.scala:2493) at org.apache.spark.sql.SparkSession$Builder$anonfun$7.apply(SparkSession.scala:933) at org.apache.spark.sql.SparkSession$Builder$anonfun$7.apply(SparkSession.scala:924) at scala.Option.getOrElse(Option.scala:121) at org.apache.spark.sql.SparkSession$Builder.getOrCreate(SparkSession.scala:924) at org.apache.spark.repl.Main$.createSparkSession(Main.scala:109) ... 55 elided <console>:14: error: not found: value spark import spark.implicits._ ^ <console>:14: error: not found: value spark import spark.sql ^ Welcome to ____ __ / __/__ ___ _____/ /__ _\ \/ _ \/ _ `/ __/ '_/ /___/ .__/\_,_/_/ /_/\_\ version 2.3.1 /_/ , Setting default log level to "WARN". To adjust logging level use sc.setLogLevel(newLevel). For SparkR, use setLogLevel(newLevel). 18/08/13 05:21:51 ERROR SparkContext: Error initializing SparkContext. org.apache.spark.SparkException: Yarn application has already ended! It might have been killed or unable to launch application master. at org.apache.spark.scheduler.cluster.YarnClientSchedulerBackend.waitForApplication(YarnClientSchedulerBackend.scala:89) at org.apache.spark.scheduler.cluster.YarnClientSchedulerBackend.start(YarnClientSchedulerBackend.scala:63) at org.apache.spark.scheduler.TaskSchedulerImpl.start(TaskSchedulerImpl.scala:164) at org.apache.spark.SparkContext.<init>(SparkContext.scala:500) at org.apache.spark.SparkContext$.getOrCreate(SparkContext.scala:2493) at org.apache.spark.sql.SparkSession$Builder$anonfun$7.apply(SparkSession.scala:933) at org.apache.spark.sql.SparkSession$Builder$anonfun$7.apply(SparkSession.scala:924) at scala.Option.getOrElse(Option.scala:121) at org.apache.spark.sql.SparkSession$Builder.getOrCreate(SparkSession.scala:924) at org.apache.spark.repl.Main$.createSparkSession(Main.scala:109) at $line3.$read$iw$iw.<init>(<console>:15) at $line3.$read$iw.<init>(<console>:43) at $line3.$read.<init>(<console>:45) at $line3.$read$.<init>(<console>:49) at $line3.$read$.<clinit>(<console>) at $line3.$eval$.$print$lzycompute(<console>:7) at $line3.$eval$.$print(<console>:6) at $line3.$eval.$print(<console>) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at scala.tools.nsc.interpreter.IMain$ReadEvalPrint.call(IMain.scala:786) at scala.tools.nsc.interpreter.IMain$Request.loadAndRun(IMain.scala:1047) at scala.tools.nsc.interpreter.IMain$WrappedRequest$anonfun$loadAndRunReq$1.apply(IMain.scala:638) at scala.tools.nsc.interpreter.IMain$WrappedRequest$anonfun$loadAndRunReq$1.apply(IMain.scala:637) at scala.reflect.internal.util.ScalaClassLoader$class.asContext(ScalaClassLoader.scala:31) at scala.reflect.internal.util.AbstractFileClassLoader.asContext(AbstractFileClassLoader.scala:19) at scala.tools.nsc.interpreter.IMain$WrappedRequest.loadAndRunReq(IMain.scala:637) at scala.tools.nsc.interpreter.IMain.interpret(IMain.scala:569) at scala.tools.nsc.interpreter.IMain.interpret(IMain.scala:565) at scala.tools.nsc.interpreter.ILoop.interpretStartingWith(ILoop.scala:807) at scala.tools.nsc.interpreter.ILoop.command(ILoop.scala:681) at scala.tools.nsc.interpreter.ILoop.processLine(ILoop.scala:395) at org.apache.spark.repl.SparkILoop$anonfun$initializeSpark$1$anonfun$apply$mcV$sp$1$anonfun$apply$mcV$sp$2.apply(SparkILoop.scala:79) at org.apache.spark.repl.SparkILoop$anonfun$initializeSpark$1$anonfun$apply$mcV$sp$1$anonfun$apply$mcV$sp$2.apply(SparkILoop.scala:79) at scala.collection.immutable.List.foreach(List.scala:381) at org.apache.spark.repl.SparkILoop$anonfun$initializeSpark$1$anonfun$apply$mcV$sp$1.apply$mcV$sp(SparkILoop.scala:79) at org.apache.spark.repl.SparkILoop$anonfun$initializeSpark$1$anonfun$apply$mcV$sp$1.apply(SparkILoop.scala:79) at org.apache.spark.repl.SparkILoop$anonfun$initializeSpark$1$anonfun$apply$mcV$sp$1.apply(SparkILoop.scala:79) at scala.tools.nsc.interpreter.ILoop.savingReplayStack(ILoop.scala:91) at org.apache.spark.repl.SparkILoop$anonfun$initializeSpark$1.apply$mcV$sp(SparkILoop.scala:78) at org.apache.spark.repl.SparkILoop$anonfun$initializeSpark$1.apply(SparkILoop.scala:78) at org.apache.spark.repl.SparkILoop$anonfun$initializeSpark$1.apply(SparkILoop.scala:78) at scala.tools.nsc.interpreter.IMain.beQuietDuring(IMain.scala:214) at org.apache.spark.repl.SparkILoop.initializeSpark(SparkILoop.scala:77) at org.apache.spark.repl.SparkILoop.loadFiles(SparkILoop.scala:110) at scala.tools.nsc.interpreter.ILoop$anonfun$process$1.apply$mcZ$sp(ILoop.scala:920) at scala.tools.nsc.interpreter.ILoop$anonfun$process$1.apply(ILoop.scala:909) at scala.tools.nsc.interpreter.ILoop$anonfun$process$1.apply(ILoop.scala:909) at scala.reflect.internal.util.ScalaClassLoader$.savingContextLoader(ScalaClassLoader.scala:97) at scala.tools.nsc.interpreter.ILoop.process(ILoop.scala:909) at org.apache.spark.repl.Main$.doMain(Main.scala:76) at org.apache.spark.repl.Main$.main(Main.scala:56) at org.apache.spark.repl.Main.main(Main.scala) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.apache.spark.deploy.JavaMainApplication.start(SparkApplication.scala:52) at org.apache.spark.deploy.SparkSubmit$.org$apache$spark$deploy$SparkSubmit$runMain(SparkSubmit.scala:894) at org.apache.spark.deploy.SparkSubmit$.doRunMain$1(SparkSubmit.scala:198) at org.apache.spark.deploy.SparkSubmit$.submit(SparkSubmit.scala:228) at org.apache.spark.deploy.SparkSubmit$.main(SparkSubmit.scala:137) at org.apache.spark.deploy.SparkSubmit.main(SparkSubmit.scala) 18/08/13 05:21:51 WARN YarnSchedulerBackend$YarnSchedulerEndpoint: Attempted to request executors before the AM has registered! 18/08/13 05:21:51 WARN MetricsSystem: Stopping a MetricsSystem that is not running org.apache.spark.SparkException: Yarn application has already ended! It might have been killed or unable to launch application master. at org.apache.spark.scheduler.cluster.YarnClientSchedulerBackend.waitForApplication(YarnClientSchedulerBackend.scala:89) at org.apache.spark.scheduler.cluster.YarnClientSchedulerBackend.start(YarnClientSchedulerBackend.scala:63) at org.apache.spark.scheduler.TaskSchedulerImpl.start(TaskSchedulerImpl.scala:164) at org.apache.spark.SparkContext.<init>(SparkContext.scala:500) at org.apache.spark.SparkContext$.getOrCreate(SparkContext.scala:2493) at org.apache.spark.sql.SparkSession$Builder$anonfun$7.apply(SparkSession.scala:933) at org.apache.spark.sql.SparkSession$Builder$anonfun$7.apply(SparkSession.scala:924) at scala.Option.getOrElse(Option.scala:121) at org.apache.spark.sql.SparkSession$Builder.getOrCreate(SparkSession.scala:924) at org.apache.spark.repl.Main$.createSparkSession(Main.scala:109) ... 55 elided <console>:14: error: not found: value spark import spark.implicits._ ^ <console>:14: error: not found: value spark import spark.sql ^ Welcome to ... 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