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From sandeep vura <sandeepv...@gmail.com>
Subject Re: Connection Refused error on Hadoop-2.6.0 on Ubuntu 14.10 desktop running Pseudo Mode
Date Wed, 22 Apr 2015 11:12:49 GMT
Hi Anand,

You should search /etc directory in root not Hadoop directory.

On Wed, Apr 22, 2015 at 2:57 PM, Anand Murali <anand_vihar@yahoo.com> wrote:

> Dear All:
>
> I dont see a etc/host. Find below.
>
>
> anand_vihar@Latitude-E5540:~$ cd hadoop-2.6.0
> anand_vihar@Latitude-E5540:~/hadoop-2.6.0$ ls -al
> total 76
> drwxr-xr-x 12 anand_vihar anand_vihar  4096 Apr 21 13:23 .
> drwxrwxr-x 26 anand_vihar anand_vihar  4096 Apr 22 14:05 ..
> drwxr-xr-x  2 anand_vihar anand_vihar  4096 Nov 14 02:50 bin
> drwxr-xr-x  3 anand_vihar anand_vihar  4096 Nov 14 02:50 etc
> -rw-rw-r--  1 anand_vihar anand_vihar   340 Apr 21 11:51 .hadoop
> drwxr-xr-x  2 anand_vihar anand_vihar  4096 Nov 14 02:50 include
> drwxrwxr-x  2 anand_vihar anand_vihar  4096 Apr 22 14:04 input
> drwxr-xr-x  3 anand_vihar anand_vihar  4096 Nov 14 02:50 lib
> drwxr-xr-x  2 anand_vihar anand_vihar  4096 Nov 14 02:50 libexec
> -rw-r--r--  1 anand_vihar anand_vihar 15429 Nov 14 02:50 LICENSE.txt
> drwxrwxr-x  3 anand_vihar anand_vihar  4096 Apr 22 14:08 logs
> -rw-r--r--  1 anand_vihar anand_vihar   101 Nov 14 02:50 NOTICE.txt
> drwxrwxr-x  2 anand_vihar anand_vihar  4096 Apr 21 11:48 output
> -rw-r--r--  1 anand_vihar anand_vihar  1366 Nov 14 02:50 README.txt
> drwxr-xr-x  2 anand_vihar anand_vihar  4096 Nov 14 02:50 sbin
> drwxr-xr-x  4 anand_vihar anand_vihar  4096 Nov 14 02:50 share
> anand_vihar@Latitude-E5540:~/hadoop-2.6.0$ cd etc
> anand_vihar@Latitude-E5540:~/hadoop-2.6.0/etc$ ls -al
> total 12
> drwxr-xr-x  3 anand_vihar anand_vihar 4096 Nov 14 02:50 .
> drwxr-xr-x 12 anand_vihar anand_vihar 4096 Apr 21 13:23 ..
> drwxr-xr-x  2 anand_vihar anand_vihar 4096 Apr 21 13:20 hadoop
> anand_vihar@Latitude-E5540:~/hadoop-2.6.0/etc$ cd hadoop
> anand_vihar@Latitude-E5540:~/hadoop-2.6.0/etc/hadoop$ ls -al
> total 176
> drwxr-xr-x 2 anand_vihar anand_vihar  4096 Apr 21 13:20 .
> drwxr-xr-x 3 anand_vihar anand_vihar  4096 Nov 14 02:50 ..
> -rw-r--r-- 1 anand_vihar anand_vihar  4436 Nov 14 02:50
> capacity-scheduler.xml
> -rw-r--r-- 1 anand_vihar anand_vihar  1335 Nov 14 02:50 configuration.xsl
> -rw-r--r-- 1 anand_vihar anand_vihar   318 Nov 14 02:50
> container-executor.cfg
> -rw-r--r-- 1 anand_vihar anand_vihar   880 Apr 21 13:16 core-site.xml
> -rw-r--r-- 1 anand_vihar anand_vihar   774 Nov 14 02:50 core-site.xml~
> -rw-r--r-- 1 anand_vihar anand_vihar  3670 Nov 14 02:50 hadoop-env.cmd
> -rw-r--r-- 1 anand_vihar anand_vihar  4224 Nov 14 02:50 hadoop-env.sh
> -rw-r--r-- 1 anand_vihar anand_vihar  2598 Nov 14 02:50
> hadoop-metrics2.properties
> -rw-r--r-- 1 anand_vihar anand_vihar  2490 Nov 14 02:50
> hadoop-metrics.properties
> -rw-r--r-- 1 anand_vihar anand_vihar  9683 Nov 14 02:50 hadoop-policy.xml
> -rw-r--r-- 1 anand_vihar anand_vihar   863 Apr 21 13:17 hdfs-site.xml
> -rw-r--r-- 1 anand_vihar anand_vihar   775 Nov 14 02:50 hdfs-site.xml~
> -rw-r--r-- 1 anand_vihar anand_vihar  1449 Nov 14 02:50 httpfs-env.sh
> -rw-r--r-- 1 anand_vihar anand_vihar  1657 Nov 14 02:50
> httpfs-log4j.properties
> -rw-r--r-- 1 anand_vihar anand_vihar    21 Nov 14 02:50
> httpfs-signature.secret
> -rw-r--r-- 1 anand_vihar anand_vihar   620 Nov 14 02:50 httpfs-site.xml
> -rw-r--r-- 1 anand_vihar anand_vihar  3523 Nov 14 02:50 kms-acls.xml
> -rw-r--r-- 1 anand_vihar anand_vihar  1325 Nov 14 02:50 kms-env.sh
> -rw-r--r-- 1 anand_vihar anand_vihar  1631 Nov 14 02:50
> kms-log4j.properties
> -rw-r--r-- 1 anand_vihar anand_vihar  5511 Nov 14 02:50 kms-site.xml
> -rw-r--r-- 1 anand_vihar anand_vihar 11291 Nov 14 02:50 log4j.properties
> -rw-r--r-- 1 anand_vihar anand_vihar   938 Nov 14 02:50 mapred-env.cmd
> -rw-r--r-- 1 anand_vihar anand_vihar  1383 Nov 14 02:50 mapred-env.sh
> -rw-r--r-- 1 anand_vihar anand_vihar  4113 Nov 14 02:50
> mapred-queues.xml.template
> -rw-r--r-- 1 anand_vihar anand_vihar   858 Apr 21 13:19 mapred-site.xml
> -rw-r--r-- 1 anand_vihar anand_vihar   758 Nov 14 02:50
> mapred-site.xml.template~
> -rw-r--r-- 1 anand_vihar anand_vihar    10 Nov 14 02:50 slaves
> -rw-r--r-- 1 anand_vihar anand_vihar  2316 Nov 14 02:50
> ssl-client.xml.example
> -rw-r--r-- 1 anand_vihar anand_vihar  2268 Nov 14 02:50
> ssl-server.xml.example
> -rw-r--r-- 1 anand_vihar anand_vihar  2237 Nov 14 02:50 yarn-env.cmd
> -rw-r--r-- 1 anand_vihar anand_vihar  4567 Nov 14 02:50 yarn-env.sh
> -rw-r--r-- 1 anand_vihar anand_vihar   809 Apr 21 13:20 yarn-site.xml
> -rw-r--r-- 1 anand_vihar anand_vihar   690 Nov 14 02:50 yarn-site.xml~
> anand_vihar@Latitude-E5540:~/hadoop-2.6.0/etc/hadoop$ cat slaves
> localhost
> anand_vihar@Latitude-E5540:~/hadoop-2.6.0/etc/hadoop$
>
> Thanks.
>
> Regards,
>
>
>
> Anand Murali
> 11/7, 'Anand Vihar', Kandasamy St, Mylapore
> Chennai - 600 004, India
> Ph: (044)- 28474593/ 43526162 (voicemail)
>
>
>
>   On Wednesday, April 22, 2015 2:41 PM, Anand Murali <
> anand_vihar@yahoo.com> wrote:
>
>
> Ok thanks will do
>
> Sent from my iPhone
>
> On 22-Apr-2015, at 2:39 pm, sandeep vura <sandeepvura@gmail.com> wrote:
>
> hosts file will be available in /etc directory please check once.
>
> On Wed, Apr 22, 2015 at 2:36 PM, Anand Murali <anand_vihar@yahoo.com>
> wrote:
>
> I don't seem to have etc/host
>
>
> Sent from my iPhone
>
> On 22-Apr-2015, at 2:30 pm, sandeep vura <sandeepvura@gmail.com> wrote:
>
> Hi Anand,
>
> comment the ip address - 127.0.1.1 in /etc/hosts
> add the following ip address - 127.0.0.1  localhost  in /etc/hosts.
>
> Restart your hadoop cluster after made changes in /etc/hosts
>
> Regards,
> Sandeep.v
>
> On Wed, Apr 22, 2015 at 2:16 PM, Anand Murali <anand_vihar@yahoo.com>
> wrote:
>
> Dear All:
>
> Has anyone encountered this error and if so how have you fixed it other
> then re-installing Hadoop or re-starting start-dfs.sh when you have already
> started after boot. 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/
>
> 1 package can be updated.
> 1 update is a security update.
>
> Last login: Wed Apr 22 13:33:26 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$ hadoop version
> Hadoop 2.6.0
> Subversion https://git-wip-us.apache.org/repos/asf/hadoop.git -r
> e3496499ecb8d220fba99dc5ed4c99c8f9e33bb1
> Compiled by jenkins on 2014-11-13T21:10Z
> Compiled with protoc 2.5.0
> From source with checksum 18e43357c8f927c0695f1e9522859d6a
> This command was run using
> /home/anand_vihar/hadoop-2.6.0/share/hadoop/common/hadoop-common-2.6.0.jar
> 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$
>
>
>
> I have checked http://wiki.apache.org/hadoop/ConnectionRefused but there
> is no fix to the problem rather it seems to be a Ubuntu network problem. I
> have many times killed nanenode/datanode/secondary data note, shutdown and
> restarted, but this error still appears. The only way seems to be
> re-installing hadoop. Please advise or refer.
>
> Many thanks,
>
> Regards,
>
>
>
> Anand Murali
> 11/7, 'Anand Vihar', Kandasamy St, Mylapore
> Chennai - 600 004, India
> Ph: (044)- 28474593/ 43526162 (voicemail)
>
>
>
>
>
>

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