Hi But the Hadoop wiki say this is a network issue especially with Ubuntu. Please look at my paste and follow thru link.
As regards my temporary solution. I have to remove all Hadoop files and re extract it and start over and then it works for a couple of runs before it starts all over again. Sent from my iPhone > On 20-Apr-2015, at 6:21 pm, Himawan Mahardianto <[email protected]> wrote: > > 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 <[email protected]> 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 >> <[email protected]> wrote: >> >> >> have you try jps command and looking what hadoop service is running? >> >> On Mon, Apr 20, 2015 at 6:45 PM, Anand Murali <[email protected]> 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 >> <[email protected]> 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 <[email protected]> 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 >
