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https://issues.apache.org/jira/browse/YARN-2146?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14031120#comment-14031120
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Chen He commented on YARN-2146:
-------------------------------

I think it is because of mismatching during log parsing. I found this problem 
when I was running a Pig on Tez job running on Hadoop-2.4.

> Yarn logs aggregation error
> ---------------------------
>
>                 Key: YARN-2146
>                 URL: https://issues.apache.org/jira/browse/YARN-2146
>             Project: Hadoop YARN
>          Issue Type: Bug
>            Reporter: Chen He
>
> when I run "yarn logs -applicationId application_xxx > /tmp/application_xxx". 
> It creates file, also shows part of logs on the terminal screen, and reports 
> following error:   
> at 
> java.lang.NumberFormatException.forInputString(NumberFormatException.java:65)
>       at java.lang.Long.parseLong(Long.java:430)
>       at java.lang.Long.parseLong(Long.java:483)
>       at 
> org.apache.hadoop.yarn.logaggregation.AggregatedLogFormat$LogReader.readAContainerLogsForALogType(AggregatedLogFormat.java:566)
>       at 
> org.apache.hadoop.yarn.logaggregation.LogCLIHelpers.dumpAllContainersLogs(LogCLIHelpers.java:139)
>       at org.apache.hadoop.yarn.client.cli.LogsCLI.run(LogsCLI.java:137)
>       at org.apache.hadoop.yarn.client.cli.LogsCLI.main(LogsCLI.java:199



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