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List:       hadoop-user
Subject:    Re: no jobtracker to stop,no namenode to stop
From:       NJain <nitesh.jain85 () gmail ! com>
Date:       2013-08-30 8:41:39
Message-ID: CAA=mABKvJ=QhJRyXPxexUmjNptV-V_vJawYQrau69HxLxQCNcA () mail ! gmail ! com
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Hey Nikhil,

Just tried what you asked for and yes there are files and folders in
c:/Hadoop/name (folders: current, image, previous.checkpoint, in_use.lock)
and also tried with the firewall is disabled.

Just want to let you know one more thing that when on Jobtracker UI, I
click on '0' under column nodes (ref: my last post), I get the following
message:
-------------------------------------------------------------------------------------- \
-------------------------------------------------------------------------------------------------------------
 localhost Hadoop Machine ListActive Task TrackersThere are currently no
known active Task Trackers.
==================================================================================================


Is it so that the task trackers are not starting?

I get the following message on start-all.sh:
-------------------------------------------------------------------------------------- \
-------------------------------------------------------------------------------------------------------------
 $ start-all.sh
starting namenode, logging to
/cygdrive/c/hadoop/hadoop-1.2.1/libexec/../logs/hadoop-Nitesh-namenode-XX.out
localhost: starting datanode, logging to
/cygdrive/c/hadoop/hadoop-1.2.1/libexec/../logs/hadoop-Nitesh-datanode-XX.out
localhost: starting secondarynamenode, logging to
/cygdrive/c/hadoop/hadoop-1.2.1/libexec/../logs/hadoop-Nitesh-secondarynamenode-XX.out
 starting jobtracker, logging to
/cygdrive/c/hadoop/hadoop-1.2.1/libexec/../logs/hadoop-Nitesh-jobtracker-XX.out
*localhost: starting tasktracker, logging to
/cygdrive/c/hadoop/hadoop-1.2.1/libexec/../logs/hadoop-Nitesh-tasktracker-XX.out
*
==================================================================================================



when I
cat /cygdrive/c/hadoop/hadoop-1.2.1/libexec/../logs/hadoop-Nitesh-tasktracker-XX.out,
I get:
-------------------------------------------------------------------------------------- \
-------------------------------------------------------------------------------------------------------------
 ulimit -a for user Nitesh
core file size          (blocks, -c) unlimited
data seg size           (kbytes, -d) unlimited
file size               (blocks, -f) unlimited
open files                      (-n) 256
pipe size            (512 bytes, -p) 8
stack size              (kbytes, -s) 2023
cpu time               (seconds, -t) unlimited
max user processes              (-u) 256
virtual memory          (kbytes, -v) unlimited
==================================================================================================


but when I $stop-all.sh, I get:
-------------------------------------------------------------------------------------- \
-------------------------------------------------------------------------------------------------------------
 stopping jobtracker
*localhost: no tasktracker to stop*
stopping namenode
localhost: stopping datanode
localhost: stopping secondarynamenode
==================================================================================================


Do you know how can I verify that the tasktrackers are starting correctly?

Thanks,
Nitesh


On Fri, Aug 30, 2013 at 2:24 PM, Nikhil2405 [via Hadoop Common] <
ml-node+s472056n4024982h78@n3.nabble.com> wrote:

> Hi Nitesh,
> 
> I think your localhost ip should be 127.0.0.0 (try this), also check
> whether, after starting ./start-all.sh it is writing any thing in this \
> *c:/Hadoop/name folder* or not, also check that you disabled your firewall, \
> sometime it may cause problem to.
> 
> 
> Thanks
> 
> Nikhil
> 
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