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From Himawan Mahardianto <mahardia...@ugm.ac.id>
Subject Re: Connection Refused Error
Date Mon, 20 Apr 2015 12:51:56 GMT
you just run "jps" on your terminal, here my jps output command on my
namenode:

hadoop@node-17:~$ jps

18487 Jps

18150 NameNode

18385 SecondaryNameNode

hadoop@node-17:~$

from that output I could make sure that my namenode is running well, how
bout your namenode, are you sure it's running well or not?

On Mon, Apr 20, 2015 at 7:24 PM, Anand Murali <anand_vihar@yahoo.com> wrote:

> No. I shall try. Can you point me to jps resources.
>
> Thanks
>
> Anand Murali
> 11/7, 'Anand Vihar', Kandasamy St, Mylapore
> Chennai - 600 004, India
> Ph: (044)- 28474593/ 43526162 (voicemail)
>
>
>
>   On Monday, April 20, 2015 5:50 PM, Himawan Mahardianto <
> mahardianto@ugm.ac.id> wrote:
>
>
> have you try jps command and looking what hadoop service is running?
>
> On Mon, Apr 20, 2015 at 6:45 PM, Anand Murali <anand_vihar@yahoo.com>
> wrote:
>
> Yes. All Hadoop commands. The error message is linked to IP address,a dn I
> checked Hadoop wiki, this is a network issue on Ubuntu. Unfortunately, I
> dont know much about networks.
>
> Anand Murali
> 11/7, 'Anand Vihar', Kandasamy St, Mylapore
> Chennai - 600 004, India
> Ph: (044)- 28474593/ 43526162 (voicemail)
>
>
>
>   On Monday, April 20, 2015 5:13 PM, Himawan Mahardianto <
> mahardianto@ugm.ac.id> wrote:
>
>
> have you try:
> hdfs dfs -ls /
> *with slash in the end of command?
>
> On Mon, Apr 20, 2015 at 5:50 PM, Anand Murali <anand_vihar@yahoo.com>
> wrote:
>
> Hi All:
>
> I am using Ubuntu 14.10 desktop and Hadoop-2.6 pseudo mode.
> Start-dfs/Stop-dfs is normal. However, after a couple of times of usage,
> when I try to connect to HDFS,, I am refused connection. Find below
>
> anand_vihar@Latitude-E5540:~$ ssh localhost
> Welcome to Ubuntu 14.10 (GNU/Linux 3.16.0-34-generic x86_64)
>
>  * Documentation:  https://help.ubuntu.com/
>
> Last login: Mon Apr 20 15:43:58 2015 from localhost
> anand_vihar@Latitude-E5540:~$ cd hadoop-2.6.0
> anand_vihar@Latitude-E5540:~/hadoop-2.6.0$ . .hadoop
> /home/anand_vihar/hadoop-2.6.0
> /home/anand_vihar/jdk1.7.0_75
> /home/anand_vihar/hadoop-2.6.0
> anand_vihar@Latitude-E5540:~/hadoop-2.6.0$ start-dfs.sh
> Starting namenodes on [localhost]
> localhost: starting namenode, logging to
> /home/anand_vihar/hadoop-2.6.0/logs/hadoop-anand_vihar-namenode-Latitude-E5540.out
> localhost: starting datanode, logging to
> /home/anand_vihar/hadoop-2.6.0/logs/hadoop-anand_vihar-datanode-Latitude-E5540.out
> Starting secondary namenodes [0.0.0.0]
> 0.0.0.0: starting secondarynamenode, logging to
> /home/anand_vihar/hadoop-2.6.0/logs/hadoop-anand_vihar-secondarynamenode-Latitude-E5540.out
> anand_vihar@Latitude-E5540:~/hadoop-2.6.0$ hdfs dfs -ls
> ls: Call From Latitude-E5540/127.0.1.1 to localhost:9000 failed on
> connection exception: java.net.ConnectException: Connection refused; For
> more details see:  http://wiki.apache.org/hadoop/ConnectionRefused
> anand_vihar@Latitude-E5540:~/hadoop-2.6.0$
>
>
>
> If I completely delete Hadoop and re-install, it starts working. Can
> somebody advise on this issue.
>
> Many thanks
>
>
> Regards
>
> Anand Murali
>
>
>
>
>
>
>
>

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