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From "Siddharth Seth (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-1131) $yarn logs command should return an appropriate error message if YARN application is still running
Date Thu, 03 Oct 2013 22:52:42 GMT

     [ https://issues.apache.org/jira/browse/YARN-1131?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Siddharth Seth updated YARN-1131:
---------------------------------

    Attachment: YARN-1131.3.txt

Updated the patch to get the tests working, also added one more test for when an app is not
known by the RM.

> $yarn logs command should return an appropriate error message if YARN application is
still 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, YARN-1131.2.txt, YARN-1131.3.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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