hadoop namenode -format doesnt work anymore if target directory doesnt exist
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Key: HADOOP-682
URL: http://issues.apache.org/jira/browse/HADOOP-682
Project: Hadoop
Issue Type: Bug
Components: dfs
Reporter: Sanjay Dahiya
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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