Hi, [I tried googling and searching the mailing list for a similar problem, but I coudn't find one this basic :]
I just tried to install hadoop on a single node, a 64-bit box running Ubuntu. [tiger]$ uname -a Linux 2.6.16-gentoo-r9 x86_64 Intel(R) Xeon(TM) CPU 3.60GHz GenuineIntel GNU/Linux I started start-all.sh, which appeared to work well: [tiger]$ $HADOOP_INSTALL/bin/start-all.sh However, when I tried to run the wordcount example (http://wiki.apache.org/lucene-hadoop/WordCount), hadoop couldn't connect to my localhost: [tiger]$ bin/hadoop jar hadoop-0.12.2-examples.jar wordcount input_dir output_dir 07/03/26 00:22:37 INFO ipc.Client: Retrying connect to server: localhost/127.0.0.1:9000. Already tried 1 time(s). 07/03/26 00:22:37 INFO ipc.Client: Retrying connect to server: localhost/127.0.0.1:9000. Already tried 2 time(s). ... java.lang.RuntimeException: java.net.ConnectException: Connection refused Please let me know if you have any thoughts! Thanks, -Tiger See below for my hadoop-site.xml settings, derived from (http://wiki.apache.org/nutch/NutchHadoopTutorial) <configuration> <property> <name>fs.default.name</name> <value>localhost:9000</value> </property> <!-- map/reduce properties --> <property> <name>mapred.job.tracker</name> <value>localhost:9001</value> </property> <property> <name>dfs.name.dir</name> <value>/some_dir/hadoop/hadoop_data</value> </property> </configuration>
