[
https://issues.apache.org/jira/browse/YARN-2024?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13990881#comment-13990881
]
Eric Payne commented on YARN-2024:
----------------------------------
Also, while in this state, the TFile doesn't get removed either. Perhaps the
'finally' block of AppLogAggregatorImpl#run should remove the local yarn-logs,
remove the TFile, and send the APPLICATION_LOG_HANDLING_FINISHED event.
> IOException in AppLogAggregatorImpl does not give stacktrace and leaves
> aggregated TFile in a bad state.
> --------------------------------------------------------------------------------------------------------
>
> Key: YARN-2024
> URL: https://issues.apache.org/jira/browse/YARN-2024
> Project: Hadoop YARN
> Issue Type: Bug
> Affects Versions: 0.23.10, 2.4.0
> Reporter: Eric Payne
>
> Multiple issues were encountered when AppLogAggregatorImpl encountered an
> IOException in AppLogAggregatorImpl#uploadLogsForContainer while aggregating
> yarn-logs for an application that had very large (>150G each) error logs.
> - An IOException was encountered during the LogWriter#append call, and a
> message was printed, but no stacktrace was provided. Message: "ERROR:
> Couldn't upload logs for container_nnnnnnnnnnnnn_nnnnnnn_nn_nnnnnn. Skipping
> this container."
> - After the IOExceptin, the TFile is in a bad state, so subsequent calls to
> LogWriter#append fail with the following stacktrace:
> 2014-04-16 13:29:09,772 [LogAggregationService #17907] ERROR
> org.apache.hadoop.yarn.YarnUncaughtExceptionHandler: Thread
> Thread[LogAggregationService #17907,5,main] threw an Exception.
> java.lang.IllegalStateException: Incorrect state to start a new key: IN_VALUE
> at
> org.apache.hadoop.io.file.tfile.TFile$Writer.prepareAppendKey(TFile.java:528)
> at
> org.apache.hadoop.yarn.logaggregation.AggregatedLogFormat$LogWriter.append(AggregatedLogFormat.java:262)
> at
> org.apache.hadoop.yarn.server.nodemanager.containermanager.logaggregation.AppLogAggregatorImpl.uploadLogsForContainer(AppLogAggregatorImpl.java:128)
> at
> org.apache.hadoop.yarn.server.nodemanager.containermanager.logaggregation.AppLogAggregatorImpl.doAppLogAggregation(AppLogAggregatorImpl.java:164)
> ...
> - At this point, the yarn-logs cleaner still thinks the thread is
> aggregating, so the huge yarn-logs never get cleaned up for that application.
--
This message was sent by Atlassian JIRA
(v6.2#6252)
