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From Mayur Rustagi <mayur.rust...@gmail.com>
Subject Re: Connect Exception Error in spark interactive shell...
Date Tue, 18 Mar 2014 16:16:46 GMT
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 <ansaiprasanna@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.*
>

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