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Date: Sun, 26 Jul 2009 00:49:14 -0700 (PDT)
From: "Hector Yuen (JIRA)" <jira@apache.org>
To: mapreduce-issues@hadoop.apache.org
Subject: [jira] Created: (MAPREDUCE-806) WordCount example does not compile
 given the current instructions
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WordCount example does not compile given the current instructions
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                 Key: MAPREDUCE-806
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-806
             Project: Hadoop Map/Reduce
          Issue Type: Bug
          Components: examples
    Affects Versions: 0.20.1
         Environment: linux
            Reporter: Hector Yuen
            Priority: Trivial
             Fix For: 0.20.1


http://hadoop.apache.org/common/docs/r0.20.0/mapred_tutorial.html#Example%3A+WordCount+v1.0

In this example, the classpath is missing commons-cli-2.0-SNAPSHOT.jar

If we compile according to the instructions:

$ javac -classpath /hadoop/core/hadoop-0.20.0-core.jar -d ioperf_classes/ src/WordCount.java
src/WordCount.java:54: cannot access org.apache.commons.cli.Options
class file for org.apache.commons.cli.Options not found
    String[] otherArgs = new GenericOptionsParser(conf, args).getRemainingArgs();

The correct compilation should be 

$ javac -classpath /hadoop/core/hadoop-0.20.0-core.jar:/hadoop/core/lib/commons-cli-2.0-SNAPSHOT.jar -d ioperf_classes/ src/WordCount.java

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