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From "Shinichi Yamashita (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-1578) Fix how to read history file in FileSystemApplicationHistoryStore
Date Wed, 12 Feb 2014 08:56:20 GMT

    [ https://issues.apache.org/jira/browse/YARN-1578?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13898932#comment-13898932
] 

Shinichi Yamashita commented on YARN-1578:
------------------------------------------

OK, I leave the bug in this ticket.

> Fix how to read history file in FileSystemApplicationHistoryStore
> -----------------------------------------------------------------
>
>                 Key: YARN-1578
>                 URL: https://issues.apache.org/jira/browse/YARN-1578
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>    Affects Versions: YARN-321
>            Reporter: Shinichi Yamashita
>            Assignee: Shinichi Yamashita
>         Attachments: YARN-1578-2.patch, YARN-1578-3.patch, YARN-1578.patch, application_1390978867235_0001,
resoucemanager.log, screenshot.png, screenshot2.pdf
>
>
> I carried out PiEstimator job at Hadoop cluster which applied YARN-321.
> After the job end and when I accessed Web UI of HistoryServer, it displayed "500". And
HistoryServer daemon log was output as follows.
> {code}
> 2014-01-09 13:31:12,227 ERROR org.apache.hadoop.yarn.webapp.Dispatcher: error handling
URI: /applicationhistory/appattempt/appattempt_1389146249925_0008_000001
> java.lang.reflect.InvocationTargetException
>         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>         at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>         at java.lang.reflect.Method.invoke(Method.java:597)
>         at org.apache.hadoop.yarn.webapp.Dispatcher.service(Dispatcher.java:153)
>         at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
> (snip...)
> Caused by: java.lang.NullPointerException
>         at org.apache.hadoop.yarn.server.applicationhistoryservice.FileSystemApplicationHistoryStore.mergeContainerHistoryData(FileSystemApplicationHistoryStore.java:696)
>         at org.apache.hadoop.yarn.server.applicationhistoryservice.FileSystemApplicationHistoryStore.getContainers(FileSystemApplicationHistoryStore.java:429)
>         at org.apache.hadoop.yarn.server.applicationhistoryservice.ApplicationHistoryManagerImpl.getContainers(ApplicationHistoryManagerImpl.java:201)
>         at org.apache.hadoop.yarn.server.webapp.AppAttemptBlock.render(AppAttemptBlock.java:110)
> (snip...)
> {code}
> I confirmed that there was container which was not finished from ApplicationHistory file.
> In ResourceManager daemon log, ResourceManager reserved this container, but did not allocate
it.
> When FileSystemApplicationHistoryStore reads container information without finish data
in history file, this problem occurs.
> In consideration of the case which there is not finish data, we should fix how to read
history file in FileSystemApplicationHistoryStore.



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