Hadoop version : 2.6.0 Spark Version : 1.2.1 here is also the pom.xml <project xmlns="http://maven.apache.org/POM/4.0.0"; xmlns:xsi=" http://www.w3.org/2001/XMLSchema-instance"; xsi:schemaLocation=" http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd";> <modelVersion>4.0.0</modelVersion> <groupId>TestSpark</groupId> <artifactId>TestSpark</artifactId> <version>0.0.1-SNAPSHOT</version> <dependencies> <dependency> <groupId>org.apache.spark</groupId> <artifactId>spark-core_2.10</artifactId> <version>1.2.1</version> </dependency> </dependencies> <build> <sourceDirectory>src</sourceDirectory> <plugins> <plugin> <artifactId>maven-compiler-plugin</artifactId> <version>3.1</version> <configuration> <source>1.8</source> <target>1.8</target> </configuration> </plugin> </plugins> </build> </project>
Best regards On 24 February 2015 at 08:43, Ted Yu <yuzhih...@gmail.com> wrote: > bq. have installed hadoop on a local virtual machine > > Can you tell us the release of hadoop you installed ? > > What Spark release are you using ? Or be more specific, what hadoop > release was the Spark built against ? > > Cheers > > On Mon, Feb 23, 2015 at 9:37 PM, fanooos <dev.fano...@gmail.com> wrote: > >> Hi >> >> I have installed hadoop on a local virtual machine using the steps from >> this >> URL >> >> >> https://www.digitalocean.com/community/tutorials/how-to-install-hadoop-on-ubuntu-13-10 >> >> In the local machine I write a little Spark application in java to read a >> file from the hadoop instance installed in the virtual machine. >> >> The code is below >> >> public static void main(String[] args) { >> >> JavaSparkContext sc = new JavaSparkContext(new >> SparkConf().setAppName("Spark Count").setMaster("local")); >> >> JavaRDD<String> lines = >> sc.textFile("hdfs://10.62.57.141:50070/tmp/lines.txt"); >> JavaRDD<Integer> lengths = lines.flatMap(new FlatMapFunction<String, >> Integer>() { >> @Override >> public Iterable<Integer> call(String t) throws Exception { >> return Arrays.asList(t.length()); >> } >> }); >> List<Integer> collect = lengths.collect(); >> int totalLength = lengths.reduce(new Function2<Integer, Integer, >> Integer>() { >> @Override >> public Integer call(Integer v1, Integer v2) throws >> Exception { >> return v1+v2; >> } >> }); >> System.out.println(totalLength); >> >> } >> >> >> The application throws this exception >> >> Exception in thread "main" java.io.IOException: Failed on local >> exception: com.google.protobuf.InvalidProtocolBufferException: Protocol >> message end-group tag did not match expected tag.; Host Details : local >> host >> is: "TOSHIBA-PC/192.168.56.1"; destination host is: "10.62.57.141":50070; >> at org.apache.hadoop.net.NetUtils.wrapException(NetUtils.java:764) >> at org.apache.hadoop.ipc.Client.call(Client.java:1351) >> at org.apache.hadoop.ipc.Client.call(Client.java:1300) >> at >> >> org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:206) >> at com.sun.proxy.$Proxy12.getFileInfo(Unknown Source) >> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) >> at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) >> at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) >> at java.lang.reflect.Method.invoke(Unknown Source) >> at >> >> org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:186) >> at >> >> org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:102) >> at com.sun.proxy.$Proxy12.getFileInfo(Unknown Source) >> at >> >> org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getFileInfo(ClientNamenodeProtocolTranslatorPB.java:651) >> at >> org.apache.hadoop.hdfs.DFSClient.getFileInfo(DFSClient.java:1679) >> at >> >> org.apache.hadoop.hdfs.DistributedFileSystem$17.doCall(DistributedFileSystem.java:1106) >> at >> >> org.apache.hadoop.hdfs.DistributedFileSystem$17.doCall(DistributedFileSystem.java:1102) >> at >> >> org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81) >> at >> >> org.apache.hadoop.hdfs.DistributedFileSystem.getFileStatus(DistributedFileSystem.java:1102) >> at >> org.apache.hadoop.fs.FileSystem.globStatusInternal(FileSystem.java:1701) >> at >> org.apache.hadoop.fs.FileSystem.globStatus(FileSystem.java:1647) >> at >> >> org.apache.hadoop.mapred.FileInputFormat.listStatus(FileInputFormat.java:222) >> at >> >> org.apache.hadoop.mapred.FileInputFormat.getSplits(FileInputFormat.java:270) >> at >> org.apache.spark.rdd.HadoopRDD.getPartitions(HadoopRDD.scala:201) >> at >> org.apache.spark.rdd.RDD$$anonfun$partitions$2.apply(RDD.scala:222) >> at >> org.apache.spark.rdd.RDD$$anonfun$partitions$2.apply(RDD.scala:220) >> at scala.Option.getOrElse(Option.scala:120) >> at org.apache.spark.rdd.RDD.partitions(RDD.scala:220) >> at >> org.apache.spark.rdd.MappedRDD.getPartitions(MappedRDD.scala:28) >> at >> org.apache.spark.rdd.RDD$$anonfun$partitions$2.apply(RDD.scala:222) >> at >> org.apache.spark.rdd.RDD$$anonfun$partitions$2.apply(RDD.scala:220) >> at scala.Option.getOrElse(Option.scala:120) >> at org.apache.spark.rdd.RDD.partitions(RDD.scala:220) >> at >> org.apache.spark.rdd.FlatMappedRDD.getPartitions(FlatMappedRDD.scala:30) >> at >> org.apache.spark.rdd.RDD$$anonfun$partitions$2.apply(RDD.scala:222) >> at >> org.apache.spark.rdd.RDD$$anonfun$partitions$2.apply(RDD.scala:220) >> at scala.Option.getOrElse(Option.scala:120) >> at org.apache.spark.rdd.RDD.partitions(RDD.scala:220) >> at org.apache.spark.SparkContext.runJob(SparkContext.scala:1367) >> at org.apache.spark.rdd.RDD.collect(RDD.scala:797) >> at >> org.apache.spark.api.java.JavaRDDLike$class.collect(JavaRDDLike.scala:309) >> at org.apache.spark.api.java.JavaRDD.collect(JavaRDD.scala:32) >> at org.css.RaiSpark.RaiSparkApp.main(RaiSparkApp.java:25) >> Caused by: com.google.protobuf.InvalidProtocolBufferException: Protocol >> message end-group tag did not match expected tag. >> at >> >> com.google.protobuf.InvalidProtocolBufferException.invalidEndTag(InvalidProtocolBufferException.java:94) >> at >> >> com.google.protobuf.CodedInputStream.checkLastTagWas(CodedInputStream.java:124) >> at >> >> com.google.protobuf.AbstractParser.parsePartialFrom(AbstractParser.java:202) >> at >> >> com.google.protobuf.AbstractParser.parsePartialDelimitedFrom(AbstractParser.java:241) >> at >> >> com.google.protobuf.AbstractParser.parseDelimitedFrom(AbstractParser.java:253) >> at >> >> com.google.protobuf.AbstractParser.parseDelimitedFrom(AbstractParser.java:259) >> at >> >> com.google.protobuf.AbstractParser.parseDelimitedFrom(AbstractParser.java:49) >> at >> >> org.apache.hadoop.ipc.protobuf.RpcHeaderProtos$RpcResponseHeaderProto.parseDelimitedFrom(RpcHeaderProtos.java:2364) >> at >> >> org.apache.hadoop.ipc.Client$Connection.receiveRpcResponse(Client.java:996) >> at org.apache.hadoop.ipc.Client$Connection.run(Client.java:891) >> >> >> >> What this exception mean? and how can I fix it? >> >> >> >> >> >> -- >> View this message in context: >> http://apache-spark-user-list.1001560.n3.nabble.com/InvalidProtocolBufferException-Protocol-message-end-group-tag-did-not-match-expected-tag-tp21777.html >> Sent from the Apache Spark User List mailing list archive at Nabble.com. >> >> --------------------------------------------------------------------- >> To unsubscribe, e-mail: user-unsubscr...@spark.apache.org >> For additional commands, e-mail: user-h...@spark.apache.org >> >> > -- Anas Rabei Senior Software Developer Mubasher.info anas.ra...@mubasher.info
