DF error on long filesystem name
--------------------------------

         Key: NUTCH-93
         URL: http://issues.apache.org/jira/browse/NUTCH-93
     Project: Nutch
        Type: Bug
    Versions: 0.7    
 Environment: CentOS4.1 (like RedhatEnterprise4)
    Reporter: Shuji Umino
    Priority: Minor


java.util.NoSuchElementException happened on start datanode.
my system use LVM, default installed filesystem name is 'VolGroup00-LogVol00',
divided two lines on type 'df' command.

---------------------------------------------------------------------------------------
#df -k
/dev/mapper/VolGroup00-LogVol00
                     152559732   1279408 143530692   1% /                  <--- 
 return next line
/dev/sda2               101105      9098     86786  10% /boot
none                    257352         0    257352   0% /dev/shm
---------------------------------------------------------------------------------------

[org.apache.nutch.ndfs.DF] fixed source 

        StringTokenizer tokens =
          new StringTokenizer(lines.readLine(), " \t\n\r\f%");
        
        this.filesystem = tokens.nextToken();       
        if (!tokens.hasMoreTokens()) {
                //for long filesystem name
                tokens = new StringTokenizer(lines.readLine(), " \t\n\r\f%");
        }

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