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https://issues.apache.org/jira/browse/HDFS-2573?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13153867#comment-13153867
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Konstantin Boudnik commented on HDFS-2573:
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I think there's a couple of approaches here:
- overwrite {{datanode.threadGroup#uncaughtException}} method
- inject a bit more code {{DataXceiver}} so a listener can be registered and
notified when OOME is thrown in {{run()}}.
Both are doable, the latter is a way simpler.
> TestFiDataXceiverServer is failing, not testing OOME
> ----------------------------------------------------
>
> Key: HDFS-2573
> URL: https://issues.apache.org/jira/browse/HDFS-2573
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: data-node, test
> Affects Versions: 0.22.0
> Reporter: Konstantin Shvachko
> Fix For: 0.22.0
>
>
> TestFiDataXceiverServer is failing occasionally. It turns out also that the
> test is not testing the desired condition, because OOME is not caught in
> DataXceiverServer.run()
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