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From "John George (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-2011) Removal and restoration of storage directories on checkpointing failure doesn't work properly
Date Wed, 06 Jul 2011 19:24:16 GMT

    [ https://issues.apache.org/jira/browse/HDFS-2011?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13060780#comment-13060780
] 

John George commented on HDFS-2011:
-----------------------------------

If I remember right, it was a case of an "incomplete create" as opposed to close being called
twice. So, the close() was being called on a stream that was not really created...

> Removal and restoration of storage directories on checkpointing failure doesn't work
properly
> ---------------------------------------------------------------------------------------------
>
>                 Key: HDFS-2011
>                 URL: https://issues.apache.org/jira/browse/HDFS-2011
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: name-node
>    Affects Versions: 0.23.0
>            Reporter: Ravi Prakash
>            Assignee: Ravi Prakash
>             Fix For: 0.23.0
>
>         Attachments: HDFS-2011.3.patch, HDFS-2011.4.patch, HDFS-2011.5.patch, HDFS-2011.6.patch,
HDFS-2011.7.patch, HDFS-2011.8.patch, HDFS-2011.patch, HDFS-2011.patch, HDFS-2011.patch
>
>
> Removal and restoration of storage directories on checkpointing failure doesn't work
properly. Sometimes it throws a NullPointerException and sometimes it doesn't take off a failed
storage directory

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