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From "Doug Cutting (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HADOOP-682) hadoop namenode -format doesnt work anymore if target directory doesnt exist
Date Tue, 07 Nov 2006 19:22:52 GMT
     [ http://issues.apache.org/jira/browse/HADOOP-682?page=all ]

Doug Cutting updated HADOOP-682:
--------------------------------

           Status: Resolved  (was: Patch Available)
    Fix Version/s: 0.9.0
       Resolution: Fixed

I just committed this.  Thanks, Sanjay!

> hadoop namenode -format doesnt work anymore if target directory doesnt exist
> ----------------------------------------------------------------------------
>
>                 Key: HADOOP-682
>                 URL: http://issues.apache.org/jira/browse/HADOOP-682
>             Project: Hadoop
>          Issue Type: Bug
>          Components: dfs
>            Reporter: Sanjay Dahiya
>             Fix For: 0.9.0
>
>         Attachments: Hadoop-682.patch
>
>
> Not sure if this was intended, but hadoop namenode -format doesnt work anymore if the
target directory doesnt exist due to the check in the NameNode.main(). It used to work earlier

>         if (argv.length == 1 && argv[0].equals("-format")) {
>           boolean aborted = false;
>           File[] dirs = getDirs(conf);
>           for (int idx = 0; idx < dirs.length; idx++) {
>             if (dirs[idx].exists()) {                     <<<====== if dir doesnt
exist it won't format
>               System.err.print("Re-format filesystem in " + dirs[idx] +" ? (Y or N) ");
>               if (!(System.in.read() == 'Y')) {
>                 System.err.println("Format aborted in "+ dirs[idx]);
>                 aborted = true;
>               } else {
>                 format(dirs[idx]);
>                 System.err.println("Formatted "+dirs[idx]);
>               }
>               System.in.read(); // discard the enter-key
>             }
>           }
>           System.exit(aborted ? 1 : 0);
>         }

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