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https://issues.apache.org/jira/browse/MAPREDUCE-3492?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13161468#comment-13161468
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Ravi Gummadi commented on MAPREDUCE-3492:
-----------------------------------------
OK. Found the proper jar in
hadoop-mapreduce-project/hadoop-mapreduce-examples/target/. Should the
"examples" target be removed from hadoop-mapreduce-project/build.xml ?
> mapreduce examples jar is not built properly
> --------------------------------------------
>
> Key: MAPREDUCE-3492
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-3492
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: examples
> Reporter: Ravi Gummadi
>
> When I try to build examples jar using "ant -Dresolvers=internal examples" in
> trunk, the jar created in build/ directory is of very small size, may be
> empty jar. And trying to run wordcount job gives the error:
> Exception in thread "main" java.lang.ClassNotFoundException:
> org.apache.hadoop.examples.ExampleDriver
> at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
> at java.security.AccessController.doPrivileged(Native Method)
> at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
> at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
> at java.lang.ClassLoader.loadClass(ClassLoader.java:248)
> at java.lang.Class.forName0(Native Method)
> at java.lang.Class.forName(Class.java:247)
> at org.apache.hadoop.util.RunJar.main(RunJar.java:193)
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