this is because you are you are not able to contact the namenode as it is not running.not only -ls, none of the Hdfs command will work in such a situation..was your NN stopped after getting started, or it didn't start even once??Can you paste your logs here??
Regards, Mohammad Tariq On Wed, Jun 20, 2012 at 3:08 PM, soham sardar <sohamsardart...@gmail.com> wrote: > No i guess it still doesnt serve the purpose actually i mean the error is > hduser@XPS-L501X:/home/soham/cloudera/hadoop-2.0.0-cdh4.0.0/etc/hadoop$ > hadoop fs -ls > 12/06/20 15:03:51 INFO ipc.Client: Retrying connect to server: > localhost/127.0.0.1:54310. Already tried 0 time(s). > 12/06/20 15:03:52 INFO ipc.Client: Retrying connect to server: > localhost/127.0.0.1:54310. Already tried 1 time(s). > 12/06/20 15:03:53 INFO ipc.Client: Retrying connect to server: > localhost/127.0.0.1:54310. Already tried 2 time(s). > 12/06/20 15:03:54 INFO ipc.Client: Retrying connect to server: > localhost/127.0.0.1:54310. Already tried 3 time(s). > 12/06/20 15:03:55 INFO ipc.Client: Retrying connect to server: > localhost/127.0.0.1:54310. Already tried 4 time(s). > 12/06/20 15:03:56 INFO ipc.Client: Retrying connect to server: > localhost/127.0.0.1:54310. Already tried 5 time(s). > 12/06/20 15:03:57 INFO ipc.Client: Retrying connect to server: > localhost/127.0.0.1:54310. Already tried 6 time(s). > 12/06/20 15:03:58 INFO ipc.Client: Retrying connect to server: > localhost/127.0.0.1:54310. Already tried 7 time(s). > 12/06/20 15:03:59 INFO ipc.Client: Retrying connect to server: > localhost/127.0.0.1:54310. Already tried 8 time(s). > 12/06/20 15:04:00 INFO ipc.Client: Retrying connect to server: > localhost/127.0.0.1:54310. Already tried 9 time(s). > ls: Call From XPS-L501X/127.0.0.1 to localhost:54310 failed on > connection exception: java.net.ConnectException: Connection refused; > For more details see: http://wiki.apache.org/hadoop/ConnectionRefused > > can u just specify what exactly the configurations i must check that > might cause this problem > till now i have added properties into core-site.xml hdfs-site.xml > yarn-site.xml....... > > On Wed, Jun 20, 2012 at 2:56 PM, Mohammad Tariq <donta...@gmail.com> wrote: >> change the line "127.0.1.1" in your /etc/hosts file to >> "127.0.0.1"..Also check if there is any problem with the configuration >> properties. >> >> Regards, >> Mohammad Tariq >> >> >> On Wed, Jun 20, 2012 at 2:52 PM, soham sardar <sohamsardart...@gmail.com> >> wrote: >>> the thing is i have updated my JAVA_HOME in both .bashrc and hadoop-env.sh >>> >>> >>> now the problem is when i try >>> jps is the output is >>> >>> 6113 NodeManager >>> 6799 DataNode >>> 7562 Jps >>> 7104 SecondaryNameNode >>> 5728 ResourceManager >>> >>> and now except namenode ,all other nodes are working and when i try to give >>> >>> hadoop fs -ls >>> >>> hduser@XPS-L501X:/home/soham/cloudera/hadoop-2.0.0-cdh4.0.0/sbin$ hadoop fs >>> -ls >>> 12/06/20 14:45:14 INFO ipc.Client: Retrying connect to server: >>> localhost/127.0.0.1:54310. Already tried 0 time(s). >>> 12/06/20 14:45:15 INFO ipc.Client: Retrying connect to server: >>> localhost/127.0.0.1:54310. Already tried 1 time(s). >>> 12/06/20 14:45:16 INFO ipc.Client: Retrying connect to server: >>> localhost/127.0.0.1:54310. Already tried 2 time(s). >>> 12/06/20 14:45:17 INFO ipc.Client: Retrying connect to server: >>> localhost/127.0.0.1:54310. Already tried 3 time(s). >>> 12/06/20 14:45:18 INFO ipc.Client: Retrying connect to server: >>> localhost/127.0.0.1:54310. Already tried 4 time(s). >>> 12/06/20 14:45:19 INFO ipc.Client: Retrying connect to server: >>> localhost/127.0.0.1:54310. Already tried 5 time(s). >>> 12/06/20 14:45:20 INFO ipc.Client: Retrying connect to server: >>> localhost/127.0.0.1:54310. Already tried 6 time(s). >>> 12/06/20 14:45:21 INFO ipc.Client: Retrying connect to server: >>> localhost/127.0.0.1:54310. Already tried 7 time(s). >>> 12/06/20 14:45:22 INFO ipc.Client: Retrying connect to server: >>> localhost/127.0.0.1:54310. Already tried 8 time(s). >>> 12/06/20 14:45:23 INFO ipc.Client: Retrying connect to server: >>> localhost/127.0.0.1:54310. Already tried 9 time(s). >>> ls: Call From XPS-L501X/127.0.1.1 to localhost:54310 failed on >>> connection exception: java.net.ConnectException: Connection refused; >>> For more details see: http://wiki.apache.org/hadoop/ConnectionRefused >>> >>> could u temme why this error is coming ?????????
