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From "Todd Lipcon (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 18:32:16 GMT

    [ https://issues.apache.org/jira/browse/HDFS-2011?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13060745#comment-13060745
] 

Todd Lipcon commented on HDFS-2011:
-----------------------------------

I'm working on merging this with HDFS-1073, and had one question: when do we expect that an
editlog stream would be closed twice? In 1073 there are some extra asserts, so instead of
ignoring the second close, it now throws "java.io.IOException: Trying to use aborted output
stream". I'm debating whether to remove this exception like you've done in this patch, vs
remove the patch, since it seems like it might be indicative of a bug to close a stream twice.

> 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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