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Posted to mapreduce-dev@hadoop.apache.org by "Hector Yuen (JIRA)" <ji...@apache.org> on 2009/07/26 09:49:14 UTC
[jira] Created: (MAPREDUCE-806) WordCount example does not compile
given the current instructions
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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