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Posted to mapreduce-issues@hadoop.apache.org by "Clarence Gardner (JIRA)" <ji...@apache.org> on 2010/09/12 23:09:33 UTC
[jira] Created: (MAPREDUCE-2065) Tutorial includes overly specified
compilation command
Tutorial includes overly specified compilation command
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Key: MAPREDUCE-2065
URL: https://issues.apache.org/jira/browse/MAPREDUCE-2065
Project: Hadoop Map/Reduce
Issue Type: Improvement
Components: documentation
Affects Versions: 0.20.2
Reporter: Clarence Gardner
Priority: Trivial
The tutorial (mapred_tutorial.html) shows a command line to compile the wordcount program. It specifically mentions three Hadoop-supplied jar files in the classpath, but in my 0.20.2 installation (and I assume, later ones as well), only one is necessary, that being "core". In fact, the mentioned mapred and hdfs jars are not even present in my HADOOP_HOME directory.
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[jira] Commented: (MAPREDUCE-2065) Tutorial includes overly
specified compilation command
Posted by "Ranjit Mathew (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/MAPREDUCE-2065?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12909187#action_12909187 ]
Ranjit Mathew commented on MAPREDUCE-2065:
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The tutorial for 0.20.2 is here:
http://hadoop.apache.org/common/docs/r0.20.2/mapred_tutorial.html
and contains only the one JAR that you expect.
The current tutorial:
http://hadoop.apache.org/mapreduce/docs/current/mapred_tutorial.html
lists three separate JARs because after 0.20.2 the project was split into
"common", "hdfs" and "mapreduce", each having its own JARs.
> Tutorial includes overly specified compilation command
> ------------------------------------------------------
>
> Key: MAPREDUCE-2065
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-2065
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Components: documentation
> Affects Versions: 0.20.2
> Reporter: Clarence Gardner
> Priority: Trivial
>
> The tutorial (mapred_tutorial.html) shows a command line to compile the wordcount program. It specifically mentions three Hadoop-supplied jar files in the classpath, but in my 0.20.2 installation (and I assume, later ones as well), only one is necessary, that being "core". In fact, the mentioned mapred and hdfs jars are not even present in my HADOOP_HOME directory.
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[jira] Resolved: (MAPREDUCE-2065) Tutorial includes overly
specified compilation command
Posted by "Clarence Gardner (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/MAPREDUCE-2065?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Clarence Gardner resolved MAPREDUCE-2065.
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Resolution: Invalid
Thanks for the info. For some reason, I was assuming that they jars had been consolidated, rather than being split out.
> Tutorial includes overly specified compilation command
> ------------------------------------------------------
>
> Key: MAPREDUCE-2065
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-2065
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Components: documentation
> Affects Versions: 0.20.2
> Reporter: Clarence Gardner
> Priority: Trivial
>
> The tutorial (mapred_tutorial.html) shows a command line to compile the wordcount program. It specifically mentions three Hadoop-supplied jar files in the classpath, but in my 0.20.2 installation (and I assume, later ones as well), only one is necessary, that being "core". In fact, the mentioned mapred and hdfs jars are not even present in my HADOOP_HOME directory.
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