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From "Rohith Sharma K S (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (YARN-1005) Log aggregators should check for FSDataOutputStream close before renaming to aggregated file.
Date Mon, 13 Jun 2016 06:18:20 GMT

     [ https://issues.apache.org/jira/browse/YARN-1005?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Rohith Sharma K S resolved YARN-1005.
-------------------------------------
    Resolution: Cannot Reproduce

> Log aggregators should check for FSDataOutputStream close before renaming to aggregated
file.
> ---------------------------------------------------------------------------------------------
>
>                 Key: YARN-1005
>                 URL: https://issues.apache.org/jira/browse/YARN-1005
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: nodemanager
>    Affects Versions: 2.1.0-beta, 2.0.5-alpha
>            Reporter: Rohith Sharma K S
>
> If AggregatedLogFormat.LogWriter.closeWriter() is interuppted, then "remoteNodeTmpLogFileForApp"
is renamed to "remoteNodeLogFileForApp" file. This renamed file does not contain valid aggregated
logs. There can be situation renamed file can be not in BCFile format. 
> This cause issue while viewing from JobHistoryServer web page.
> {noformat}
> 2013-07-27 18:51:14,787 ERROR org.apache.hadoop.yarn.webapp.View: Error getting logs
for job_1374918614757_0002
> java.io.IOException: Not a valid BCFile.
> 	at org.apache.hadoop.io.file.tfile.BCFile$Magic.readAndVerify(BCFile.java:927)
> 	at org.apache.hadoop.io.file.tfile.BCFile$Reader.<init>(BCFile.java:628)
> 	at org.apache.hadoop.io.file.tfile.TFile$Reader.<init>(TFile.java:804)
> 	at org.apache.hadoop.yarn.logaggregation.AggregatedLogFormat$LogReader.<init>(AggregatedLogFormat.java:337)
> 	at org.apache.hadoop.yarn.webapp.log.AggregatedLogsBlock.render(AggregatedLogsBlock.java:89)
> 	at org.apache.hadoop.yarn.webapp.view.HtmlBlock.render(HtmlBlock.java:64)
> 	at org.apache.hadoop.yarn.webapp.view.HtmlBlock.renderPartial(HtmlBlock.java:74)
> {noformat}
>  



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