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From "Todd Lipcon (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-2213) DataNode gets stuck while shutting down minicluster
Date Tue, 02 Aug 2011 17:05:27 GMT

    [ https://issues.apache.org/jira/browse/HDFS-2213?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13078287#comment-13078287
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Todd Lipcon commented on HDFS-2213:
-----------------------------------

yea, I dug around in the Jetty source and came much to the same conclusion. I'll see if I
can track down Greg

> DataNode gets stuck while shutting down minicluster
> ---------------------------------------------------
>
>                 Key: HDFS-2213
>                 URL: https://issues.apache.org/jira/browse/HDFS-2213
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: data-node
>    Affects Versions: 0.23.0
>            Reporter: Todd Lipcon
>             Fix For: 0.23.0
>
>         Attachments: stack.txt
>
>
> I've seen a couple times where a unit test has timed out. jstacking shows the cluster
is stuck trying to shut down one of the DataNode HTTP servers. The DataNodeBlockScanner thread
also seems to be in a tight loop in its main loop.

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