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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 00:13:29 GMT

    [ https://issues.apache.org/jira/browse/HDFS-2190?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13079692#comment-13079692
] 

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

I should've also mentioned, I ran the newly-added test case as well as {{TestCheckpoint}},
both of which passed. I can't run test-patch at the moment because of the issues with Apache
svn, but will once those are resolved.

> 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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