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From "Aaron T. Myers (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-2190) NN fails to start if it encounters an empty or malformed fstime file
Date Fri, 05 Aug 2011 20:48:31 GMT

    [ https://issues.apache.org/jira/browse/HDFS-2190?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13080215#comment-13080215
] 

Aaron T. Myers commented on HDFS-2190:
--------------------------------------

Results of test-patch:

{noformat}
+1 overall.  

    +1 @author.  The patch does not contain any @author tags.

    +1 tests included.  The patch appears to include 2 new or modified tests.

    +1 javadoc.  The javadoc tool did not generate any warning messages.

    +1 javac.  The applied patch does not increase the total number of javac compiler warnings.

    +1 findbugs.  The patch does not introduce any new Findbugs (version 1.3.9) warnings.
{noformat}

> NN fails to start if it encounters an empty or malformed fstime file
> --------------------------------------------------------------------
>
>                 Key: HDFS-2190
>                 URL: https://issues.apache.org/jira/browse/HDFS-2190
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: name-node
>    Affects Versions: 0.20.203.0
>            Reporter: Aaron T. Myers
>            Assignee: Aaron T. Myers
>         Attachments: hdfs-2190.0.patch, hdfs-2190.1.patch
>
>
> On startup, the NN reads the fstime file of all the configured dfs.name.dirs to determine
which one to load. However, if any of the searched directories contain an empty or malformed
fstime file, the NN will fail to start. The NN should be able to just proceed with starting
and ignore the directory containing the bad fstime file.

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