java.lang.ClassNotFoundException: com.bejoy.samples.wordcount.WordCount

blogspot.com | 7 months ago
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  1. 0

    Kick Start Hadoop: Word Count - Hadoop Map Reduce Example

    blogspot.com | 7 months ago
    java.lang.ClassNotFoundException: com.bejoy.samples.wordcount.WordCount
  2. 0

    command line interface is failing when i tried to load 1gb file. I tried to increase the memory using command line I am getting fallowing error. can you please advice how i can work around it? [root@bda1node03 forecast]# flags="-Xmx2048m" kite-dataset csv-import AccuWeatherForecast11222015.csv ctest1 Exception in thread "main" java.lang.ClassNotFoundException: -Xmx2048m at java.net.URLClassLoader.findClass(URLClassLoader.java:381) at java.lang.ClassLoader.loadClass(ClassLoader.java:424) at java.lang.ClassLoader.loadClass(ClassLoader.java:357) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Class.java:348) at org.apache.hadoop.util.RunJar.run(RunJar.java:214) at org.apache.hadoop.util.RunJar.main(RunJar.java:136) ---------------------------------------------------------------------------- Exception in thread "main" java.lang.OutOfMemoryError: Java heap space: failed reallocation of scalar replaced objects at java.util.Arrays.copyOfRange(Arrays.java:3664) at java.lang.String.<init>(String.java:201) at java.lang.StringBuilder.toString(StringBuilder.java:407) at au.com.bytecode.opencsv.CSVParser.parseLine(CSVParser.java:250) at au.com.bytecode.opencsv.CSVParser.parseLineMulti(CSVParser.java:174) at au.com.bytecode.opencsv.CSVReader.readNext(CSVReader.java:237) at org.kitesdk.data.spi.filesystem.CSVFileReader.advance(CSVFileReader.java:174) at org.kitesdk.data.spi.filesystem.CSVFileReader.next(CSVFileReader.java:168) at org.kitesdk.shaded.com.google.common.collect.Iterators$7.computeNext(Iterators.java:648) at org.kitesdk.shaded.com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:143) at org.kitesdk.shaded.com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:138) at org.kitesdk.data.spi.filesystem.MultiFileDatasetReader.hasNext(MultiFileDatasetReader.java:125) at com.google.common.collect.Lists.newArrayList(Lists.java:138) at com.google.common.collect.ImmutableList.copyOf(ImmutableList.java:256) at com.google.common.collect.ImmutableList.copyOf(ImmutableList.java:217) at org.apache.crunch.impl.mem.collect.MemCollection.<init>(MemCollection.java:79) at org.apache.crunch.impl.mem.MemPipeline.read(MemPipeline.java:166) at org.apache.crunch.impl.mem.MemPipeline.read(MemPipeline.java:157) at org.kitesdk.tools.TransformTask.run(TransformTask.java:135) at org.kitesdk.cli.commands.CSVImportCommand.run(CSVImportCommand.java:186) at org.kitesdk.cli.Main.run(Main.java:178) at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70) at org.kitesdk.cli.Main.main(Main.java:256) 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:497) at org.apache.hadoop.util.RunJar.run(RunJar.java:221) at org.apache.hadoop.util.RunJar.main(RunJar.java:136) [root@bda1node03 forecast]# vi test6.csv

    Cloudera Open Source | 1 year ago | chandra s koripella
    java.lang.ClassNotFoundException: -Xmx2048m
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    Hadoop Java Error : Exception in thread "main" java.lang.ClassNotFoundException: com.packt.ch3.etl.ParseWeblogs

    Stack Overflow | 1 year ago | rocky
    java.lang.ClassNotFoundException: com.packt.ch3.etl.ParseWeblogs
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    Hive is not starting and show errors

    Stack Overflow | 12 months ago | codin
    java.lang.ClassNotFoundException: org.apache.hadoop.hive.service.HiveServer
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    Stack Overflow | 11 months ago | Ofir.R
    java.lang.ClassNotFoundException: create

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Root Cause Analysis

  1. java.lang.ClassNotFoundException

    com.bejoy.samples.wordcount.WordCount

    at java.net.URLClassLoader.findClass()
  2. Java RT
    Class.forName
    1. java.net.URLClassLoader.findClass(URLClassLoader.java:381)
    2. java.lang.ClassLoader.loadClass(ClassLoader.java:424)
    3. java.lang.ClassLoader.loadClass(ClassLoader.java:357)
    4. java.lang.Class.forName0(Native Method)
    5. java.lang.Class.forName(Class.java:348)
    5 frames
  3. Hadoop
    RunJar.main
    1. org.apache.hadoop.util.RunJar.run(RunJar.java:214)
    2. org.apache.hadoop.util.RunJar.main(RunJar.java:136)
    2 frames