The goal is to get started with Spark by following a few examples and exploring the result.
I cloned the Apache Spark repository , built it according to the instructions in the Readme, and ran ./bin/spark-shell , which results in:
Using Spark default log4j profile: org/apache/spark/log4j-defaults.properties Setting default log level to "WARN". To adjust logging level use sc.setLogLevel(newLevel). For SparkR, use setLogLevel(newLevel). 16/11/10 08:47:48 WARN NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where applicable 16/11/10 08:47:48 WARN Utils: Service 'sparkDriver' could not bind on port 0. Attempting port 1. 16/11/10 08:47:48 WARN Utils: Service 'sparkDriver' could not bind on port 0. Attempting port 1. 16/11/10 08:47:48 WARN Utils: Service 'sparkDriver' could not bind on port 0. Attempting port 1. 16/11/10 08:47:48 WARN Utils: Service 'sparkDriver' could not bind on port 0. Attempting port 1. 16/11/10 08:47:48 WARN Utils: Service 'sparkDriver' could not bind on port 0. Attempting port 1. 16/11/10 08:47:48 WARN Utils: Service 'sparkDriver' could not bind on port 0. Attempting port 1. 16/11/10 08:47:48 WARN Utils: Service 'sparkDriver' could not bind on port 0. Attempting port 1. 16/11/10 08:47:48 WARN Utils: Service 'sparkDriver' could not bind on port 0. Attempting port 1. 16/11/10 08:47:48 WARN Utils: Service 'sparkDriver' could not bind on port 0. Attempting port 1. 16/11/10 08:47:48 WARN Utils: Service 'sparkDriver' could not bind on port 0. Attempting port 1. 16/11/10 08:47:48 WARN Utils: Service 'sparkDriver' could not bind on port 0. Attempting port 1. 16/11/10 08:47:48 WARN Utils: Service 'sparkDriver' could not bind on port 0. Attempting port 1. 16/11/10 08:47:48 WARN Utils: Service 'sparkDriver' could not bind on port 0. Attempting port 1. 16/11/10 08:47:48 WARN Utils: Service 'sparkDriver' could not bind on port 0. Attempting port 1. 16/11/10 08:47:48 WARN Utils: Service 'sparkDriver' could not bind on port 0. Attempting port 1. 16/11/10 08:47:48 WARN Utils: Service 'sparkDriver' could not bind on port 0. Attempting port 1. 16/11/10 08:47:48 ERROR SparkContext: Error initializing SparkContext. java.net.BindException: Cannot assign requested address: Service 'sparkDriver' failed after 16 retries (starting from 0)! Consider explicitly setting the appropriate port for the service 'sparkDriver' (for example spark.ui.port for SparkUI) to an available port or increasing spark.port.maxRetries. at sun.nio.ch.Net.bind0(Native Method) at sun.nio.ch.Net.bind(Net.java:433) at sun.nio.ch.Net.bind(Net.java:425) at sun.nio.ch.ServerSocketChannelImpl.bind(ServerSocketChannelImpl.java:223) at io.netty.channel.socket.nio.NioServerSocketChannel.doBind(NioServerSocketChannel.java:127) at io.netty.channel.AbstractChannel$AbstractUnsafe.bind(AbstractChannel.java:501) at io.netty.channel.DefaultChannelPipeline$HeadContext.bind(DefaultChannelPipeline.java:1218) at io.netty.channel.AbstractChannelHandlerContext.invokeBind(AbstractChannelHandlerContext.java:505) at io.netty.channel.AbstractChannelHandlerContext.bind(AbstractChannelHandlerContext.java:490) at io.netty.channel.DefaultChannelPipeline.bind(DefaultChannelPipeline.java:965) at io.netty.channel.AbstractChannel.bind(AbstractChannel.java:210) at io.netty.bootstrap.AbstractBootstrap$2.run(AbstractBootstrap.java:353) at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:408) at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:441) at io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:140) at io.netty.util.concurrent.DefaultThreadFactory$DefaultRunnableDecorator.run(DefaultThreadFactory.java:144) at java.lang.Thread.run(Thread.java:745) 16/11/10 08:47:48 ERROR SparkContext: Error stopping SparkContext after init error. java.lang.NullPointerException at org.apache.spark.SparkContext.stop(SparkContext.scala:1764) at org.apache.spark.SparkContext.<init>(SparkContext.scala:591) at org.apache.spark.SparkContext$.getOrCreate(SparkContext.scala:2309) at org.apache.spark.sql.SparkSession$Builder$$anonfun$6.apply(SparkSession.scala:843) at org.apache.spark.sql.SparkSession$Builder$$anonfun$6.apply(SparkSession.scala:835) at scala.Option.getOrElse(Option.scala:121) at org.apache.spark.sql.SparkSession$Builder.getOrCreate(SparkSession.scala:835) at org.apache.spark.repl.Main$.createSparkSession(Main.scala:101) at $line3.$read$$iw$$iw.<init>(<console>:15) at $line3.$read$$iw.<init>(<console>:42) at $line3.$read.<init>(<console>:44) at $line3.$read$.<init>(<console>:48) at $line3.$read$.<clinit>(<console>) at $line3.$eval$.$print$lzycompute(<console>:7) at $line3.$eval$.$print(<console>:6) at $line3.$eval.$print(<console>) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at scala.tools.nsc.interpreter.IMain$ReadEvalPrint.call(IMain.scala:786) at scala.tools.nsc.interpreter.IMain$Request.loadAndRun(IMain.scala:1047) at scala.tools.nsc.interpreter.IMain$WrappedRequest$$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$1.apply$mcV$sp(SparkILoop.scala:38) at org.apache.spark.repl.SparkILoop$$anonfun$initializeSpark$1.apply(SparkILoop.scala:37) at org.apache.spark.repl.SparkILoop$$anonfun$initializeSpark$1.apply(SparkILoop.scala:37) at scala.tools.nsc.interpreter.IMain.beQuietDuring(IMain.scala:214) at org.apache.spark.repl.SparkILoop.initializeSpark(SparkILoop.scala:37) at org.apache.spark.repl.SparkILoop.loadFiles(SparkILoop.scala:105) 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$$anonfun$process$1.apply(ILoop.scala:909) at scala.reflect.internal.util.ScalaClassLoader$.savingContextLoader(ScalaClassLoader.scala:97) at scala.tools.nsc.interpreter.ILoop.process(ILoop.scala:909) at org.apache.spark.repl.Main$.doMain(Main.scala:68) at org.apache.spark.repl.Main$.main(Main.scala:51) at org.apache.spark.repl.Main.main(Main.scala) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.apache.spark.deploy.SparkSubmit$.org$apache$spark$deploy$SparkSubmit$$runMain(SparkSubmit.scala:738) at org.apache.spark.deploy.SparkSubmit$.doRunMain$1(SparkSubmit.scala:187) at org.apache.spark.deploy.SparkSubmit$.submit(SparkSubmit.scala:212) at org.apache.spark.deploy.SparkSubmit$.main(SparkSubmit.scala:126) at org.apache.spark.deploy.SparkSubmit.main(SparkSubmit.scala) java.net.BindException: Cannot assign requested address: Service 'sparkDriver' failed after 16 retries (starting from 0)! Consider explicitly setting the appropriate port for the service 'sparkDriver' (for example spark.ui.port for SparkUI) to an available port or increasing spark.port.maxRetries. at sun.nio.ch.Net.bind0(Native Method) at sun.nio.ch.Net.bind(Net.java:433) at sun.nio.ch.Net.bind(Net.java:425) at sun.nio.ch.ServerSocketChannelImpl.bind(ServerSocketChannelImpl.java:223) at io.netty.channel.socket.nio.NioServerSocketChannel.doBind(NioServerSocketChannel.java:127) at io.netty.channel.AbstractChannel$AbstractUnsafe.bind(AbstractChannel.java:501) at io.netty.channel.DefaultChannelPipeline$HeadContext.bind(DefaultChannelPipeline.java:1218) at io.netty.channel.AbstractChannelHandlerContext.invokeBind(AbstractChannelHandlerContext.java:505) at io.netty.channel.AbstractChannelHandlerContext.bind(AbstractChannelHandlerContext.java:490) at io.netty.channel.DefaultChannelPipeline.bind(DefaultChannelPipeline.java:965) at io.netty.channel.AbstractChannel.bind(AbstractChannel.java:210) at io.netty.bootstrap.AbstractBootstrap$2.run(AbstractBootstrap.java:353) at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:408) at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:441) at io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:140) at io.netty.util.concurrent.DefaultThreadFactory$DefaultRunnableDecorator.run(DefaultThreadFactory.java:144) at java.lang.Thread.run(Thread.java:745) <console>:14: error: not found: value spark import spark.implicits._ ^ <console>:14: error: not found: value spark import spark.sql ^ Welcome to ____ __ / __/__ ___ _____/ /__ _\ \/ _ \/ _ `/ __/ '_/ /___/ .__/\_,_/_/ /_/\_\ version 2.1.0-SNAPSHOT /_/ Using Scala version 2.11.8 (Java HotSpot(TM) 64-Bit Server VM, Java 1.8.0_92) Type in expressions to have them evaluated. Type :help for more information.
One example is also performed:
scala> sc.parallelize(1 to 1000).count() <console>:18: error: not found: value sc sc.parallelize(1 to 1000).count()
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