Check your firewall settings, specifically if port 54310 is open. The other ports to look at are:
50010 50020 50030 50060 50070 54311 On 6/20/12 5:22 AM, "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 ????????? This electronic message is intended to be for the use only of the named recipient, and may contain information that is confidential or privileged. If you are not the intended recipient, you are hereby notified that any disclosure, copying, distribution or use of the contents of this message is strictly prohibited. If you have received this message in error or are not the named recipient, please notify us immediately by contacting the sender at the electronic mail address noted above, and delete and destroy all copies of this message. Thank you. -------------------- This electronic message is intended to be for the use only of the named recipient, and may contain information that is confidential or privileged. If you are not the intended recipient, you are hereby notified that any disclosure, copying, distribution or use of the contents of this message is strictly prohibited. If you have received this message in error or are not the named recipient, please notify us immediately by contacting the sender at the electronic mail address noted above, and delete and destroy all copies of this message. Thank you. -------------------- This electronic message is intended to be for the use only of the named recipient, and may contain information that is confidential or privileged. If you are not the intended recipient, you are hereby notified that any disclosure, copying, distribution or use of the contents of this message is strictly prohibited. If you have received this message in error or are not the named recipient, please notify us immediately by contacting the sender at the electronic mail address noted above, and delete and destroy all copies of this message. Thank you.