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From "Aaron T. Myers (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-1959) Better error message for missing namenode directory
Date Fri, 20 May 2011 23:17:47 GMT

    [ https://issues.apache.org/jira/browse/HDFS-1959?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13037149#comment-13037149
] 

Aaron T. Myers commented on HDFS-1959:
--------------------------------------

On a second read, my #2 point is invalid. The call to {{nnResourceChecker.hasAvailableDiskSpace()}}
will definitely happen on {{FSNamesystem}} initialization, regardless of config settings.
Given this, the patch does indeed address the issue. I humbly withdraw my objections.

> Better error message for missing namenode directory
> ---------------------------------------------------
>
>                 Key: HDFS-1959
>                 URL: https://issues.apache.org/jira/browse/HDFS-1959
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>            Reporter: Eli Collins
>            Assignee: Eli Collins
>            Priority: Minor
>             Fix For: 0.23.0
>
>         Attachments: hdfs-1959-1.patch
>
>
> Starting the namenode with a missing NN directory currently results in two stack traces,
"Expecting a line not the end of stream" from DF and an NPE. Let's make this more user-friendly.

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