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  1. Hadoop Common
  2. HADOOP-4608

Examples -Driver does not check first argument.

    Details

    • Type: Bug
    • Status: Closed
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: 0.18.2
    • Fix Version/s: 0.20.0
    • Component/s: None
    • Labels:
      None
    • Hadoop Flags:
      Reviewed

      Description

      hadoop@vldb ~/hadoop $ bin/hadoop jar hadoop-0.18.2-examples.jar
      An example program must be given as the first argument.
      Valid program names are:
      aggregatewordcount: An Aggregate based map/reduce program that counts the words in the input files.
      aggregatewordhist: An Aggregate based map/reduce program that computes the histogram of the words in the input files.
      grep: A map/reduce program that counts the matches of a regex in the input.
      join: A job that effects a join over sorted, equally partitioned datasets
      multifilewc: A job that counts words from several files.
      pentomino: A map/reduce tile laying program to find solutions to pentomino problems.
      pi: A map/reduce program that estimates Pi using monte-carlo method.
      randomtextwriter: A map/reduce program that writes 10GB of random textual data per node.
      randomwriter: A map/reduce program that writes 10GB of random data per node.
      sleep: A job that sleeps at each map and reduce task.
      sort: A map/reduce program that sorts the data written by the random writer.
      sudoku: A sudoku solver.
      wordcount: A map/reduce program that counts the words in the input files.
      java.lang.IllegalArgumentException: An example program must be given as the first argument.
      at org.apache.hadoop.util.ProgramDriver.driver(ProgramDriver.java:123)
      at org.apache.hadoop.examples.ExampleDriver.main(ExampleDriver.java:54)
      at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
      at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
      at java.lang.reflect.Method.invoke(Method.java:597)
      at org.apache.hadoop.util.RunJar.main(RunJar.java:155)
      at org.apache.hadoop.mapred.JobShell.run(JobShell.java:54)
      at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65)
      at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:79)
      at org.apache.hadoop.mapred.JobShell.main(JobShell.java:68)

        Attachments

        1. HADOOP-4608.patch
          1.0 kB
          Edward J. Yoon

          Activity

            People

            • Assignee:
              udanax Edward J. Yoon
              Reporter:
              udanax Edward J. Yoon
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              Dates

              • Created:
                Updated:
                Resolved: