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Date: Fri, 27 Jan 2012 23:30:11 +0000 (UTC)
From: "Mahadev konar (Commented) (JIRA)" <jira@apache.org>
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Subject: [jira] [Commented] (MAPREDUCE-3744) Unable to retrieve application
 logs via "yarn logs" or "mapred job -logs"
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    [ https://issues.apache.org/jira/browse/MAPREDUCE-3744?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13195232#comment-13195232 ] 

Mahadev konar commented on MAPREDUCE-3744:
------------------------------------------

@Jason,
 Good thought on the better error message. Lets make sure we cover most of the corner cases in logs and log aggregation. 

                
> Unable to retrieve application logs via "yarn logs" or "mapred job -logs"
> -------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-3744
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-3744
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: mrv2
>    Affects Versions: 0.23.1, 0.24.0
>            Reporter: Jason Lowe
>            Priority: Blocker
>
> Trying to retrieve application logs via the "yarn logs" shell command results in an error similar to this:
> Exception in thread "main" java.io.FileNotFoundException: File /tmp/logs/application_1327694122989_0001 does not exist.
> 	at org.apache.hadoop.fs.Hdfs$DirListingIterator.<init>(Hdfs.java:226)
> 	at org.apache.hadoop.fs.Hdfs$DirListingIterator.<init>(Hdfs.java:217)
> 	at org.apache.hadoop.fs.Hdfs$2.<init>(Hdfs.java:192)
> 	at org.apache.hadoop.fs.Hdfs.listStatusIterator(Hdfs.java:192)
> 	at org.apache.hadoop.fs.FileContext$20.next(FileContext.java:1371)
> 	at org.apache.hadoop.fs.FileContext$20.next(FileContext.java:1)
> 	at org.apache.hadoop.fs.FileContext$FSLinkResolver.resolve(FileContext.java:2319)
> 	at org.apache.hadoop.fs.FileContext.listStatus(FileContext.java:1373)
> 	at org.apache.hadoop.yarn.logaggregation.LogDumper.dumpAllContainersLogs(LogDumper.java:191)
> 	at org.apache.hadoop.yarn.logaggregation.LogDumper.run(LogDumper.java:107)
> 	at org.apache.hadoop.yarn.logaggregation.LogDumper.main(LogDumper.java:226)
> Trying to grab the logs via the "mapred jobs -logs" command results in this error:
> 2012-01-27 14:05:52,040 INFO  mapred.ClientServiceDelegate (ClientServiceDelegate.java:getProxy(246)) - Application state is completed. FinalApplicationStatus=SUCCEEDED. Redirecting to job history server
> 2012-01-27 14:05:52,041 WARN  mapred.ClientServiceDelegate (ClientServiceDelegate.java:checkAndGetHSProxy(257)) - Job History Server is not configured.
> Unable to get log information for job: job_1327694122989_0001
> Even though the historyserver process is running.

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