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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-6389) Fix BaileyBorweinPlouffe CLI usage message
Date Sat, 06 Jun 2015 20:48:00 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-6389?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14575935#comment-14575935
] 

Hadoop QA commented on MAPREDUCE-6389:
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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | pre-patch |  15m 25s | Pre-patch trunk compilation is healthy. |
| {color:green}+1{color} | @author |   0m  0s | The patch does not contain any @author tags.
|
| {color:red}-1{color} | tests included |   0m  0s | 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{color} | javac |   7m 31s | There were no new javac warning messages. |
| {color:green}+1{color} | javadoc |   9m 34s | There were no new javadoc warning messages.
|
| {color:green}+1{color} | release audit |   0m 22s | The applied patch does not increase
the total number of release audit warnings. |
| {color:green}+1{color} | checkstyle |   0m 26s | There were no new checkstyle issues. |
| {color:green}+1{color} | whitespace |   0m  0s | The patch has no lines that end in whitespace.
|
| {color:green}+1{color} | install |   1m 35s | mvn install still works. |
| {color:green}+1{color} | eclipse:eclipse |   0m 33s | The patch built with eclipse:eclipse.
|
| {color:green}+1{color} | findbugs |   0m 55s | The patch does not introduce any new Findbugs
(version 3.0.0) warnings. |
| {color:green}+1{color} | mapreduce tests |   0m 36s | Tests passed in hadoop-mapreduce-examples.
|
| | |  37m  0s | |
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|| Subsystem || Report/Notes ||
| Patch URL | http://issues.apache.org/jira/secure/attachment/12738198/MAPREDUCE-6389.patch
|
| Optional Tests | javadoc javac unit findbugs checkstyle |
| git revision | trunk / 71de367 |
| hadoop-mapreduce-examples test log | https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/5780/artifact/patchprocess/testrun_hadoop-mapreduce-examples.txt
|
| Test Results | https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/5780/testReport/
|
| Java | 1.7.0_55 |
| uname | Linux asf903.gq1.ygridcore.net 3.13.0-36-lowlatency #63-Ubuntu SMP PREEMPT Wed Sep
3 21:56:12 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux |
| Console output | https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/5780/console |


This message was automatically generated.

> Fix BaileyBorweinPlouffe CLI usage message 
> -------------------------------------------
>
>                 Key: MAPREDUCE-6389
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-6389
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>            Reporter: Brahma Reddy Battula
>            Assignee: Brahma Reddy Battula
>         Attachments: MAPREDUCE-6389.patch
>
>
> The usage message from code does not match with the command helpline option. 
>  *usage from command line* 
> {noformat}
> hduser@canberra:~/work/software/cloudera/hadoop-2.0.0-cdh4.0.0$ hadoop jar src/hadoop-mapreduce-project/hadoop-mapreduce-examples/target/hadoop-mapreduce-examples-2.0.0-cdh4.0.0.jar

> An example program must be given as the first argument.
> Valid program names are:
>   aggregatewordcount: An Aggregate based map/reduce program that counts the words in
the input files.
>   aggregatewordhist: An Aggregate based map/reduce program that computes the histogram
of the words in the input files.
>   bbp: A map/reduce program that uses Bailey-Borwein-Plouffe to compute exact digits
of Pi.
>   dbcount: An example job that count the pageview counts from a database.
>   distbbp: A map/reduce program that uses a BBP-type formula to compute exact bits of
Pi.
>   grep: A map/reduce program that counts the matches of a regex in the input.
> {noformat}
>  *usage from code* 
> {code}
>  public int run(String[] args) throws IOException {
>     if (args.length != 4) {
>       System.err.println("Usage: java " + getClass().getName()
>           + " <startDigit> <nDigits> <nMaps> <workingDir>");
>       ToolRunner.printGenericCommandUsage(System.err);
>       return -1;
>     }
> {code}



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