I faced the same issue a few days back. Formatting the namenode made it work for me.
Amandeep Amandeep Khurana Computer Science Graduate Student University of California, Santa Cruz On Wed, Feb 4, 2009 at 3:06 PM, Mithila Nagendra <[email protected]> wrote: > Hey all > > When I try to copy a folder from the local file system in to the HDFS using > the command hadoop dfs -copyFromLocal, the copy fails and it gives an error > which says "Bad connection to FS". How do I get past this? The following is > the output at the time of execution: > > had...@renweiyu-desktop:/usr/local/hadoop$ jps > 6873 Jps > 6299 JobTracker > 6029 DataNode > 6430 TaskTracker > 6189 SecondaryNameNode > had...@renweiyu-desktop:/usr/local/hadoop$ ls > bin docs lib README.txt > build.xml hadoop-0.18.3-ant.jar libhdfs src > c++ hadoop-0.18.3-core.jar librecordio webapps > CHANGES.txt hadoop-0.18.3-examples.jar LICENSE.txt > conf hadoop-0.18.3-test.jar logs > contrib hadoop-0.18.3-tools.jar NOTICE.txt > had...@renweiyu-desktop:/usr/local/hadoop$ cd .. > had...@renweiyu-desktop:/usr/local$ ls > bin etc games gutenberg hadoop hadoop-0.18.3.tar.gz hadoop-datastore > include lib man sbin share src > had...@renweiyu-desktop:/usr/local$ hadoop/bin/hadoop dfs -copyFromLocal > gutenberg gutenberg > 09/02/04 15:58:21 INFO ipc.Client: Retrying connect to server: localhost/ > 127.0.0.1:54310. Already tried 0 time(s). > 09/02/04 15:58:22 INFO ipc.Client: Retrying connect to server: localhost/ > 127.0.0.1:54310. Already tried 1 time(s). > 09/02/04 15:58:23 INFO ipc.Client: Retrying connect to server: localhost/ > 127.0.0.1:54310. Already tried 2 time(s). > 09/02/04 15:58:24 INFO ipc.Client: Retrying connect to server: localhost/ > 127.0.0.1:54310. Already tried 3 time(s). > 09/02/04 15:58:25 INFO ipc.Client: Retrying connect to server: localhost/ > 127.0.0.1:54310. Already tried 4 time(s). > 09/02/04 15:58:26 INFO ipc.Client: Retrying connect to server: localhost/ > 127.0.0.1:54310. Already tried 5 time(s). > 09/02/04 15:58:27 INFO ipc.Client: Retrying connect to server: localhost/ > 127.0.0.1:54310. Already tried 6 time(s). > 09/02/04 15:58:28 INFO ipc.Client: Retrying connect to server: localhost/ > 127.0.0.1:54310. Already tried 7 time(s). > 09/02/04 15:58:29 INFO ipc.Client: Retrying connect to server: localhost/ > 127.0.0.1:54310. Already tried 8 time(s). > 09/02/04 15:58:30 INFO ipc.Client: Retrying connect to server: localhost/ > 127.0.0.1:54310. Already tried 9 time(s). > Bad connection to FS. command aborted. > > The commmand jps shows that the hadoop system s up and running. So I have > no > idea whats wrong! > > Thanks! > Mithila >
