换了0.20版本的hadoop，比原来好多了，已经走到了最后一步了，只需要走完最后一步了
Administrator@admin-PC /cygdrive/d/hadoop-0.20.2/bin
$ ./hadoop dfsadmin -report
15/11/11 20:05:22 INFO ipc.Client: Retrying connect to server: localhost/127.0.0 .1:9000. Already tried 0 time(s).
15/11/11 20:05:24 INFO ipc.Client: Retrying connect to server: localhost/127.0.0 .1:9000. Already tried 1 time(s).
15/11/11 20:05:26 INFO ipc.Client: Retrying connect to server: localhost/127.0.0 .1:9000. Already tried 2 time(s).
15/11/11 20:05:28 INFO ipc.Client: Retrying connect to server: localhost/127.0.0 .1:9000. Already tried 3 time(s).
15/11/11 20:05:30 INFO ipc.Client: Retrying connect to server: localhost/127.0.0 .1:9000. Already tried 4 time(s).
15/11/11 20:05:32 INFO ipc.Client: Retrying connect to server: localhost/127.0.0 .1:9000. Already tried 5 time(s).
15/11/11 20:05:34 INFO ipc.Client: Retrying connect to server: localhost/127.0.0 .1:9000. Already tried 6 time(s).
15/11/11 20:05:36 INFO ipc.Client: Retrying connect to server: localhost/127.0.0 .1:9000. Already tried 7 time(s).
15/11/11 20:05:38 INFO ipc.Client: Retrying connect to server: localhost/127.0.0 .1:9000. Already tried 8 time(s).
15/11/11 20:05:40 INFO ipc.Client: Retrying connect to server: localhost/127.0.0 .1:9000. Already tried 9 time(s).
Bad connection to DFS... command aborted.
原文：http://www.cnblogs.com/mazilidavidleee/p/4957305.html