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From Anand Murali <anand_vi...@yahoo.com>
Subject Re: Connection Refused error on Hadoop-2.6.0 on Ubuntu 14.10 desktop running Pseudo Mode
Date Wed, 22 Apr 2015 09:06:15 GMT
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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