[ 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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