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https://issues.apache.org/jira/browse/MAPREDUCE-6038?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14114419#comment-14114419
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Hadoop QA commented on MAPREDUCE-6038:
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{color:red}-1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12665076/MAPREDUCE-6038.1.patch
against trunk revision c4c9a78.
{color:green}+1 @author{color}. The patch does not contain any @author
tags.
{color:red}-1 tests included{color}. The patch doesn't appear to include
any new or modified tests.
Please justify why no new tests are needed for this
patch.
Also please list what manual steps were performed to
verify this patch.
{color:green}+1 javac{color}. The applied patch does not increase the
total number of javac compiler warnings.
{color:green}+1 javadoc{color}. There were no new javadoc warning messages.
{color:green}+1 eclipse:eclipse{color}. The patch built with
eclipse:eclipse.
{color:green}+1 findbugs{color}. The patch does not introduce any new
Findbugs (version 2.0.3) warnings.
{color:green}+1 release audit{color}. The applied patch does not increase
the total number of release audit warnings.
{color:green}+1 core tests{color}. The patch passed unit tests in
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core.
{color:green}+1 contrib tests{color}. The patch passed contrib unit tests.
Test results:
https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/4833//testReport/
Console output:
https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/4833//console
This message is automatically generated.
> A boolean may be set error in the Word Count v2.0 in MapReduce Tutorial
> -----------------------------------------------------------------------
>
> Key: MAPREDUCE-6038
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-6038
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Environment: java version 1.8.0_11 hostspot 64-bit
> Reporter: Pei Ma
> Assignee: Tsuyoshi OZAWA
> Priority: Minor
> Attachments: MAPREDUCE-6038.1.patch
>
>
> As a beginner, when I learned about the basic of the mr, I found that I
> cound't run the WordCount2 using the command "bin/hadoop jar wc.jar
> WordCount2 /user/joe/wordcount/input /user/joe/wordcount/output" in the
> Tutorial. The VM throwed the NullPoniterException at the line 47. In the line
> 45, the returned default value of "conf.getBoolean" is true. That is to say
> when "wordcount.skip.patterns" is not set ,the WordCount2 will continue to
> execute getCacheFiles.. Then patternsURIs gets the null value. When the
> "-skip" option dosen't exist, "wordcount.skip.patterns" will not be set.
> Then a NullPointerException come out.
> At all, the block after the if-statement in line no. 45 shoudn't be executed
> when the "-skip" option dosen't exist in command. Maybe the line 45 should
> like that "if (conf.getBoolean("wordcount.skip.patterns", false)) { "
> .Just change the boolean.
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