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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-2574) bugs in mapred tutorial
Date Mon, 14 Jan 2008 19:20:34 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-2574?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12558741#action_12558741

Hadoop QA commented on HADOOP-2574:

-1 overall.  Here are the results of testing the latest attachment 
against trunk revision r611760.

    @author +1.  The patch does not contain any @author tags.

    javadoc +1.  The javadoc tool did not generate any warning messages.

    javac +1.  The applied patch does not generate any new compiler warnings.

    findbugs +1.  The patch does not introduce any new Findbugs warnings.

    core tests +1.  The patch passed core unit tests.

    contrib tests -1.  The patch failed contrib unit tests.

Test results: http://lucene.zones.apache.org:8080/hudson/job/Hadoop-Patch/1584/testReport/
Findbugs warnings: http://lucene.zones.apache.org:8080/hudson/job/Hadoop-Patch/1584/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Checkstyle results: http://lucene.zones.apache.org:8080/hudson/job/Hadoop-Patch/1584/artifact/trunk/build/test/checkstyle-errors.html
Console output: http://lucene.zones.apache.org:8080/hudson/job/Hadoop-Patch/1584/console

This message is automatically generated.

> bugs in mapred tutorial
> -----------------------
>                 Key: HADOOP-2574
>                 URL: https://issues.apache.org/jira/browse/HADOOP-2574
>             Project: Hadoop
>          Issue Type: Bug
>          Components: documentation
>            Reporter: Doug Cutting
>            Assignee: Arun C Murthy
>             Fix For: 0.15.3
>         Attachments: HADOOP-2574_0_20080110.patch, HADOOP-2574_1_20080114.patch, mapred_tutorial.html,
> Sam Pullara sends me:
> {noformat}
> Phu was going through the WordCount example... lines 52 and 53 should have args[0] and
> http://lucene.apache.org/hadoop/docs/current/mapred_tutorial.html
> The javac and jar command are also wrong, they don't include the directories for the
packages, should be:
> $ javac -classpath ${HADOOP_HOME}/hadoop-${HADOOP_VERSION}-core.jar -d classes WordCount.java

> $ jar -cvf /usr/joe/wordcount.jar WordCount.class -C classes .
> {noformat}

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