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From Xudong Du <andy2005...@gmail.com>
Subject Fwd: [ask for help]Bad connection to FS. command aborted.
Date Sun, 15 Mar 2009 14:03:54 GMT
just now, I miswrite a command in the email, it is highlighted in red now.
Sorry. waiting for your help. thanks a lot.

---------- Forwarded message ----------
From: Xudong Du <andy2005cst@gmail.com>
Date: Sun, Mar 15, 2009 at 9:58 PM
Subject: [ask for help]Bad connection to FS. command aborted.
To: general@hadoop.apache.org


Hello, everyone. I met a strange problem and I am looking forward to your
help.

I setup a 2 nodes cluster hadoop on 2 mechine runing ubuntu. and 1 is both
master and slave and the other one is slave, and it seems to be functional.
but yesterday, it does not work anymore.

when I type hadoop command such as "bin/hadoop dfs -ls", it shows that "Bad
connection to FS. command aborted."
so, I run "bin/start-all.sh" to see if the dfs is shut, however it shows
that:

(***.***.***.*** stands for the master's ip address; ###.###.### stands for
the other one's ip address)
starting namenode, logging to *****
***.***.***.***: datanode running as process 14800. Stop it first.
***.***.***.***: datanode running as process 9113. Stop it first.
***.***.***.***: starting secondarynamenode, logging to ***
jobtracker running as process 14946. Stop it first.
***.***.***.***: tasktracker running as process 15029. Stop it first.
###.###.###.###: tasktracker running as process 9217. Stop it first.

and i type "bin/hadoop dfs -ls", but again: Bad connection to FS. command
aborted.

then when I type "bin/stop-all.sh(sorry, I mis-write just now )", it shows:
(***.***.***.*** stands for the master's ip address; ###.###.### stands for
the other one's ip address)
stopping jobtracker
***.***.***.***: stopping tasktracker
###.###.###: stopping tasktracker
no namenode to stop  <--------this is very strange
***.***.***.***: stopping datanode
###.###.###: stopping datanode
***.***.***.***: no secondarynamenode to stop

when i restart it by "bin/start-all.sh", it still does not work..

can anyone give me some idea? Thanks a lot.

-- 
Yours Sincerely
Xudong Du
Zijing 2# 305A
Tsinghua University, Beijing, China, 100084



-- 
Yours Sincerely
Xudong Du
Zijing 2# 305A
Tsinghua University, Beijing, China, 100084

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