On 22/10/10 10:15, Biju .B wrote:
Hi all
I have started hadoop and its running
am getting following error when i try to execute a simple map reduce program
r...@cjb3f-69:/home/media/Desktop# hadoop-0.20 jar HadoopSample.jar
HadoopSample input output
10/10/22 14:41:58 INFO ipc.Client: Retrying connect to server: localhost/
127.0.0.1:8020. Already tried 0 time(s).
10/10/22 14:41:59 INFO ipc.Client: Retrying connect to server: localhost/
127.0.0.1:8020. Already tried 1 time(s).
10/10/22 14:42:00 INFO ipc.Client: Retrying connect to server: localhost/
127.0.0.1:8020. Already tried 2 time(s).
10/10/22 14:42:01 INFO ipc.Client: Retrying connect to server: localhost/
127.0.0.1:8020. Already tried 3 time(s).
10/10/22 14:42:02 INFO ipc.Client: Retrying connect to server: localhost/
127.0.0.1:8020. Already tried 4 time(s).
10/10/22 14:42:03 INFO ipc.Client: Retrying connect to server: localhost/
127.0.0.1:8020. Already tried 5 time(s).
10/10/22 14:42:04 INFO ipc.Client: Retrying connect to server: localhost/
127.0.0.1:8020. Already tried 6 time(s).
10/10/22 14:42:05 INFO ipc.Client: Retrying connect to server: localhost/
127.0.0.1:8020. Already tried 7 time(s).
10/10/22 14:42:06 INFO ipc.Client: Retrying connect to server: localhost/
127.0.0.1:8020. Already tried 8 time(s).
10/10/22 14:42:07 INFO ipc.Client: Retrying connect to server: localhost/
127.0.0.1:8020. Already tried 9 time(s).
Exception in thread "main" java.lang.RuntimeException:
java.net.ConnectException: Call to localhost/127.0.0.1:8020 failed on
connection exception: java.net.ConnectException: Connection refused
http://wiki.apache.org/hadoop/ConnectionRefused
