Mayur, While reading a local file which is not in HDFS through spark shell, does the HDFS need to be up and running ???
On Tue, Mar 18, 2014 at 9:46 PM, Mayur Rustagi <mayur.rust...@gmail.com>wrote: > Your hdfs is down. Probably forgot to format namenode. > check if namenode is running > ps -aef|grep Namenode > if not & data in hdfs is not critical > hadoop namenode -format > & restart hdfs > > > Mayur Rustagi > Ph: +1 (760) 203 3257 > http://www.sigmoidanalytics.com > @mayur_rustagi <https://twitter.com/mayur_rustagi> > > > > On Tue, Mar 18, 2014 at 5:59 AM, Sai Prasanna <ansaiprasa...@gmail.com>wrote: > >> Hi ALL !! >> >> In the interactive spark shell i get the following error. >> I just followed the steps of the video "First steps with spark - spark >> screen cast #1" by andy konwinski... >> >> Any thoughts ??? >> >> scala> val textfile = sc.textFile("README.md") >> textfile: org.apache.spark.rdd.RDD[String] = MappedRDD[1] at textFile at >> <console>:12 >> >> scala> textfile.count >> java.lang.RuntimeException: java.net.ConnectException: Call to master/ >> 192.168.1.11:9000 failed on connection exception: >> java.net.ConnectException: Connection refused >> at >> org.apache.hadoop.mapred.JobConf.getWorkingDirectory(JobConf.java:546) >> at >> org.apache.hadoop.mapred.FileInputFormat.setInputPaths(FileInputFormat.java:318) >> at >> org.apache.hadoop.mapred.FileInputFormat.setInputPaths(FileInputFormat.java:291) >> at org.apache.spark.SparkContext$$anonfun$13.apply(SparkContext.scala:439) >> at >> org.apache.spark.SparkContext$$anonfun$13.apply(SparkContext.scala:439) >> at >> org.apache.spark.rdd.HadoopRDD$$anonfun$getJobConf$1.apply(HadoopRDD.scala:112) >> at >> org.apache.spark.rdd.HadoopRDD$$anonfun$getJobConf$1.apply(HadoopRDD.scala:112) >> at scala.Option.map(Option.scala:133) >> at org.apache.spark.rdd.HadoopRDD.getJobConf(HadoopRDD.scala:112) >> at org.apache.spark.rdd.HadoopRDD.getPartitions(HadoopRDD.scala:134) >> at org.apache.spark.rdd.RDD$$anonfun$partitions$2.apply(RDD.scala:201) >> at org.apache.spark.rdd.RDD$$anonfun$partitions$2.apply(RDD.scala:199) >> at scala.Option.getOrElse(Option.scala:108) >> at org.apache.spark.rdd.RDD.partitions(RDD.scala:199) >> at org.apache.spark.rdd.MappedRDD.getPartitions(MappedRDD.scala:26) >> at org.apache.spark.rdd.RDD$$anonfun$partitions$2.apply(RDD.scala:201) >> at org.apache.spark.rdd.RDD$$anonfun$partitions$2.apply(RDD.scala:199) >> at scala.Option.getOrElse(Option.scala:108) >> at org.apache.spark.rdd.RDD.partitions(RDD.scala:199) >> at org.apache.spark.SparkContext.runJob(SparkContext.scala:886) >> at org.apache.spark.rdd.RDD.count(RDD.scala:698) >> at <init>(<console>:15) >> at <init>(<console>:20) >> at <init>(<console>:22) >> at <init>(<console>:24) >> at <init>(<console>:26) >> at .<init>(<console>:30) >> at .<clinit>(<console>) >> at .<init>(<console>:11) >> at .<clinit>(<console>) >> at $export(<console>) >> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) >> at >> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) >> at >> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) >> at java.lang.reflect.Method.invoke(Method.java:606) >> at >> org.apache.spark.repl.SparkIMain$ReadEvalPrint.call(SparkIMain.scala:629) >> at >> org.apache.spark.repl.SparkIMain$Request$$anonfun$10.apply(SparkIMain.scala:897) >> at scala.tools.nsc.interpreter.Line$$anonfun$1.apply$mcV$sp(Line.scala:43) >> at scala.tools.nsc.io.package$$anon$2.run(package.scala:25) >> at java.lang.Thread.run(Thread.java:744) >> Caused by: java.net.ConnectException: Call to master/192.168.1.11:9000failed >> on connection exception: java.net.ConnectException: Connection >> refused >> at org.apache.hadoop.ipc.Client.wrapException(Client.java:1099) >> at org.apache.hadoop.ipc.Client.call(Client.java:1075) >> at org.apache.hadoop.ipc.RPC$Invoker.invoke(RPC.java:225) >> at com.sun.proxy.$Proxy8.getProtocolVersion(Unknown Source) >> at org.apache.hadoop.ipc.RPC.getProxy(RPC.java:396) >> at org.apache.hadoop.ipc.RPC.getProxy(RPC.java:379) >> at >> org.apache.hadoop.hdfs.DFSClient.createRPCNamenode(DFSClient.java:119) >> at org.apache.hadoop.hdfs.DFSClient.<init>(DFSClient.java:238) >> at org.apache.hadoop.hdfs.DFSClient.<init>(DFSClient.java:203) >> at >> org.apache.hadoop.hdfs.DistributedFileSystem.initialize(DistributedFileSystem.java:89) >> at >> org.apache.hadoop.fs.FileSystem.createFileSystem(FileSystem.java:1386) >> at org.apache.hadoop.fs.FileSystem.access$200(FileSystem.java:66) >> at org.apache.hadoop.fs.FileSystem$Cache.get(FileSystem.java:1404) >> at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:254) >> at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:123) >> at org.apache.hadoop.mapred.JobConf.getWorkingDirectory(JobConf.java:542) >> ... 39 more >> Caused by: java.net.ConnectException: Connection refused >> at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method) >> at >> sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:739) >> at >> org.apache.hadoop.net.SocketIOWithTimeout.connect(SocketIOWithTimeout.java:206) >> at org.apache.hadoop.net.NetUtils.connect(NetUtils.java:489) >> at >> org.apache.hadoop.ipc.Client$Connection.setupConnection(Client.java:434) >> at >> org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:560) >> at org.apache.hadoop.ipc.Client$Connection.access$2000(Client.java:184) >> at org.apache.hadoop.ipc.Client.getConnection(Client.java:1206) >> at org.apache.hadoop.ipc.Client.call(Client.java:1050) >> ... 53 more >> >> >> -- >> *Sai Prasanna. AN* >> *II M.Tech (CS), SSSIHL* >> >> >> * Entire water in the ocean can never sink a ship, Unless it gets >> inside.All the pressures of life can never hurt you, Unless you let them >> in.* >> > > -- *Sai Prasanna. AN* *II M.Tech (CS), SSSIHL* *Entire water in the ocean can never sink a ship, Unless it gets inside.All the pressures of life can never hurt you, Unless you let them in.*
