hadoop格式化失败原因
11/04/12 15:23:43 INFO namenode.NameNode: STARTUP_MSG:
/************************************************************
STARTUP_MSG: Starting NameNode
STARTUP_MSG: host = hdp0/192.168.221.100
STARTUP_MSG: args = [-format]
STARTUP_MSG: version = 0.20.2
STARTUP_MSG: build = https://svn.apache.org/repos/asf/hadoop/common/branches/branch-0.20 -r 911707; compiled by 'chrisdo' on Fri Feb 19 08:07:34 UTC 2010
************************************************************/
Re-format filesystem in /home/hadoop/dfs/name ? (Y or N) y
Format aborted in /home/hadoop/dfs/name
11/04/12 15:23:56 INFO namenode.NameNode: SHUTDOWN_MSG:
/************************************************************
SHUTDOWN_MSG: Shutting down NameNode at hdp0/192.168.221.100
************************************************************/
随后启动hadoop,发现http://hdp0:5007无法显示。
将/home/hadoop/dfs/name文件夹整个删除。然后再格，成功！！！
/************************************************************
STARTUP_MSG: Starting NameNode
STARTUP_MSG: host = hdp0/192.168.221.100
STARTUP_MSG: args = [-format]
STARTUP_MSG: version = 0.20.2
STARTUP_MSG: build = https://svn.apache.org/repos/asf/hadoop/common/branches/branch-0.20 -r 911707; compiled by 'chrisdo' on Fri Feb 19 08:07:34 UTC 2010
************************************************************/
11/04/12 15:33:30 INFO namenode.FSNamesystem: fsOwner=hadoop,hadoop,adm,dialout,cdrom,plugdev,lpadmin,admin,sambashare
11/04/12 15:33:30 INFO namenode.FSNamesystem: supergroup=supergroup
11/04/12 15:33:30 INFO namenode.FSNamesystem: isPermissionEnabled=true
11/04/12 15:33:31 INFO common.Storage: Image file of size 96 saved in 0 seconds.
11/04/12 15:33:31 INFO common.Storage: Storage directory /home/hadoop/dfs/name has been successfully formatted.
11/04/12 15:33:31 INFO namenode.NameNode: SHUTDOWN_MSG:
/************************************************************
SHUTDOWN_MSG: Shutting down NameNode at hdp0/192.168.221.100
************************************************************/
后来再启动hadoop，50070端口页面也显示正常了，呵呵。
