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https://issues.apache.org/jira/browse/YARN-1131?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13784748#comment-13784748
 ] 

Hadoop QA commented on YARN-1131:
---------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest 
attachment 
  http://issues.apache.org/jira/secure/attachment/12606503/YARN-1131.1.txt
  against trunk revision .

    {color:green}+1 @author{color}.  The patch does not contain any @author 
tags.

    {color:green}+1 tests included{color}.  The patch appears to include 1 new 
or modified test files.

    {color:green}+1 javac{color}.  The applied patch does not increase the 
total number of javac compiler warnings.

    {color:green}+1 javadoc{color}.  The javadoc tool did not generate any 
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 1.3.9) warnings.

    {color:green}+1 release audit{color}.  The applied patch does not increase 
the total number of release audit warnings.

    {color:red}-1 core tests{color}.  The following test timeouts occurred in 
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common:

org.apache.hadoop.yarn.client.cli.TestLogsCLI

    {color:green}+1 contrib tests{color}.  The patch passed contrib unit tests.

Test results: 
https://builds.apache.org/job/PreCommit-YARN-Build/2072//testReport/
Console output: https://builds.apache.org/job/PreCommit-YARN-Build/2072//console

This message is automatically generated.

> $ yarn logs should return a message log aggregation is during progress if 
> YARN application is running
> -----------------------------------------------------------------------------------------------------
>
>                 Key: YARN-1131
>                 URL: https://issues.apache.org/jira/browse/YARN-1131
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: client
>    Affects Versions: 2.1.1-beta
>            Reporter: Tassapol Athiapinya
>            Assignee: Siddharth Seth
>            Priority: Minor
>         Attachments: YARN-1131.1.txt
>
>
> In the case when log aggregation is enabled, if a user submits MapReduce job 
> and runs $ yarn logs -applicationId <app ID> while the YARN application is 
> running, the command will return no message and return user back to shell. It 
> is nice to tell the user that log aggregation is in progress.
> {code}
> -bash-4.1$ /usr/bin/yarn logs -applicationId application_1377900193583_0002
> -bash-4.1$
> {code}
> At the same time, if invalid application ID is given, YARN CLI should say 
> that the application ID is incorrect rather than throwing 
> NoSuchElementException.
> {code}
> $ /usr/bin/yarn logs -applicationId application_00000
> Exception in thread "main" java.util.NoSuchElementException
> at com.google.common.base.AbstractIterator.next(AbstractIterator.java:75)
> at 
> org.apache.hadoop.yarn.util.ConverterUtils.toApplicationId(ConverterUtils.java:124)
> at 
> org.apache.hadoop.yarn.util.ConverterUtils.toApplicationId(ConverterUtils.java:119)
> at org.apache.hadoop.yarn.logaggregation.LogDumper.run(LogDumper.java:110)
> at org.apache.hadoop.yarn.logaggregation.LogDumper.main(LogDumper.java:255)
> {code}



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