hi,
I install the mahout and hadoop on SUSE Linux, and it works. I run the kmeans sample use command: hadoop fs -put synthetic_control.data testdata mahout org.apache.mahout.clustering.syntheticcontrol.kmeans.Job it run successfully here is the output files drwxr-xr-x - root supergroup 0 2010-09-17 10:59 /user/root/output/canopies drwxr-xr-x - root supergroup 0 2010-09-17 10:59 /user/root/output/canopies/_logs drwxr-xr-x - root supergroup 0 2010-09-17 10:59 /user/root/output/canopies/_logs/history -rw-r--r-- 1 root supergroup 17229 2010-09-17 10:59 /user/root/output/canopies/_logs/history/localhost_1284692116007_job_2010091 71055_0002_conf.xml -rw-r--r-- 1 root supergroup 9165 2010-09-17 10:59 /user/root/output/canopies/_logs/history/localhost_1284692116007_job_2010091 71055_0002_root_mahout-examples-0.3.job -rw-r--r-- 1 root supergroup 5749 2010-09-17 10:59 /user/root/output/canopies/part-00000 drwxr-xr-x - root supergroup 0 2010-09-17 11:00 /user/root/output/clusters-0 drwxr-xr-x - root supergroup 0 2010-09-17 10:59 /user/root/output/clusters-0/_logs drwxr-xr-x - root supergroup 0 2010-09-17 10:59 /user/root/output/clusters-0/_logs/history -rw-r--r-- 1 root supergroup 17479 2010-09-17 10:59 /user/root/output/clusters-0/_logs/history/localhost_1284692116007_job_20100 9171055_0003_conf.xml -rw-r--r-- 1 root supergroup 9283 2010-09-17 10:59 /user/root/output/clusters-0/_logs/history/localhost_1284692116007_job_20100 9171055_0003_root_mahout-examples-0.3.job -rw-r--r-- 1 root supergroup 5757 2010-09-17 11:00 /user/root/output/clusters-0/part-00000 drwxr-xr-x - root supergroup 0 2010-09-17 11:00 /user/root/output/clusters-1 drwxr-xr-x - root supergroup 0 2010-09-17 11:00 /user/root/output/clusters-1/_logs drwxr-xr-x - root supergroup 0 2010-09-17 11:00 /user/root/output/clusters-1/_logs/history -rw-r--r-- 1 root supergroup 17481 2010-09-17 11:00 /user/root/output/clusters-1/_logs/history/localhost_1284692116007_job_20100 9171055_0004_conf.xml -rw-r--r-- 1 root supergroup 9283 2010-09-17 11:00 /user/root/output/clusters-1/_logs/history/localhost_1284692116007_job_20100 9171055_0004_root_mahout-examples-0.3.job -rw-r--r-- 1 root supergroup 5757 2010-09-17 11:00 /user/root/output/clusters-1/part-00000 drwxr-xr-x - root supergroup 0 2010-09-17 11:01 /user/root/output/clusters-2 drwxr-xr-x - root supergroup 0 2010-09-17 11:00 /user/root/output/clusters-2/_logs drwxr-xr-x - root supergroup 0 2010-09-17 11:00 /user/root/output/clusters-2/_logs/history -rw-r--r-- 1 root supergroup 17481 2010-09-17 11:00 /user/root/output/clusters-2/_logs/history/localhost_1284692116007_job_20100 9171055_0005_conf.xml -rw-r--r-- 1 root supergroup 9496 2010-09-17 11:00 /user/root/output/clusters-2/_logs/history/localhost_1284692116007_job_20100 9171055_0005_root_mahout-examples-0.3.job -rw-r--r-- 1 root supergroup 5757 2010-09-17 11:01 /user/root/output/clusters-2/part-00000 drwxr-xr-x - root supergroup 0 2010-09-17 11:01 /user/root/output/clusters-3 drwxr-xr-x - root supergroup 0 2010-09-17 11:01 /user/root/output/clusters-3/_logs drwxr-xr-x - root supergroup 0 2010-09-17 11:01 /user/root/output/clusters-3/_logs/history -rw-r--r-- 1 root supergroup 17481 2010-09-17 11:01 /user/root/output/clusters-3/_logs/history/localhost_1284692116007_job_20100 9171055_0006_conf.xml -rw-r--r-- 1 root supergroup 9496 2010-09-17 11:01 /user/root/output/clusters-3/_logs/history/localhost_1284692116007_job_20100 9171055_0006_root_mahout-examples-0.3.job -rw-r--r-- 1 root supergroup 5757 2010-09-17 11:01 /user/root/output/clusters-3/part-00000 drwxr-xr-x - root supergroup 0 2010-09-17 11:02 /user/root/output/clusters-4 drwxr-xr-x - root supergroup 0 2010-09-17 11:01 /user/root/output/clusters-4/_logs drwxr-xr-x - root supergroup 0 2010-09-17 11:01 /user/root/output/clusters-4/_logs/history -rw-r--r-- 1 root supergroup 17481 2010-09-17 11:01 /user/root/output/clusters-4/_logs/history/localhost_1284692116007_job_20100 9171055_0007_conf.xml -rw-r--r-- 1 root supergroup 9496 2010-09-17 11:01 /user/root/output/clusters-4/_logs/history/localhost_1284692116007_job_20100 9171055_0007_root_mahout-examples-0.3.job -rw-r--r-- 1 root supergroup 5757 2010-09-17 11:02 /user/root/output/clusters-4/part-00000 drwxr-xr-x - root supergroup 0 2010-09-17 11:02 /user/root/output/clusters-5 drwxr-xr-x - root supergroup 0 2010-09-17 11:02 /user/root/output/clusters-5/_logs drwxr-xr-x - root supergroup 0 2010-09-17 11:02 /user/root/output/clusters-5/_logs/history -rw-r--r-- 1 root supergroup 17481 2010-09-17 11:02 /user/root/output/clusters-5/_logs/history/localhost_1284692116007_job_20100 9171055_0008_conf.xml -rw-r--r-- 1 root supergroup 9496 2010-09-17 11:02 /user/root/output/clusters-5/_logs/history/localhost_1284692116007_job_20100 9171055_0008_root_mahout-examples-0.3.job -rw-r--r-- 1 root supergroup 5757 2010-09-17 11:02 /user/root/output/clusters-5/part-00000 drwxr-xr-x - root supergroup 0 2010-09-17 11:03 /user/root/output/clusters-6 drwxr-xr-x - root supergroup 0 2010-09-17 11:02 /user/root/output/clusters-6/_logs drwxr-xr-x - root supergroup 0 2010-09-17 11:02 /user/root/output/clusters-6/_logs/history -rw-r--r-- 1 root supergroup 17481 2010-09-17 11:02 /user/root/output/clusters-6/_logs/history/localhost_1284692116007_job_20100 9171055_0009_conf.xml -rw-r--r-- 1 root supergroup 9496 2010-09-17 11:02 /user/root/output/clusters-6/_logs/history/localhost_1284692116007_job_20100 9171055_0009_root_mahout-examples-0.3.job -rw-r--r-- 1 root supergroup 5757 2010-09-17 11:03 /user/root/output/clusters-6/part-00000 drwxr-xr-x - root supergroup 0 2010-09-17 11:03 /user/root/output/clusters-7 drwxr-xr-x - root supergroup 0 2010-09-17 11:03 /user/root/output/clusters-7/_logs drwxr-xr-x - root supergroup 0 2010-09-17 11:03 /user/root/output/clusters-7/_logs/history -rw-r--r-- 1 root supergroup 17481 2010-09-17 11:03 /user/root/output/clusters-7/_logs/history/localhost_1284692116007_job_20100 9171055_0010_conf.xml -rw-r--r-- 1 root supergroup 9496 2010-09-17 11:03 /user/root/output/clusters-7/_logs/history/localhost_1284692116007_job_20100 9171055_0010_root_mahout-examples-0.3.job -rw-r--r-- 1 root supergroup 5757 2010-09-17 11:03 /user/root/output/clusters-7/part-00000 drwxr-xr-x - root supergroup 0 2010-09-17 11:04 /user/root/output/clusters-8 drwxr-xr-x - root supergroup 0 2010-09-17 11:03 /user/root/output/clusters-8/_logs drwxr-xr-x - root supergroup 0 2010-09-17 11:03 /user/root/output/clusters-8/_logs/history -rw-r--r-- 1 root supergroup 17481 2010-09-17 11:03 /user/root/output/clusters-8/_logs/history/localhost_1284692116007_job_20100 9171055_0011_conf.xml -rw-r--r-- 1 root supergroup 9496 2010-09-17 11:03 /user/root/output/clusters-8/_logs/history/localhost_1284692116007_job_20100 9171055_0011_root_mahout-examples-0.3.job -rw-r--r-- 1 root supergroup 5757 2010-09-17 11:03 /user/root/output/clusters-8/part-00000 drwxr-xr-x - root supergroup 0 2010-09-17 11:04 /user/root/output/clusters-9 drwxr-xr-x - root supergroup 0 2010-09-17 11:04 /user/root/output/clusters-9/_logs drwxr-xr-x - root supergroup 0 2010-09-17 11:04 /user/root/output/clusters-9/_logs/history -rw-r--r-- 1 root supergroup 17481 2010-09-17 11:04 /user/root/output/clusters-9/_logs/history/localhost_1284692116007_job_20100 9171055_0012_conf.xml -rw-r--r-- 1 root supergroup 9496 2010-09-17 11:04 /user/root/output/clusters-9/_logs/history/localhost_1284692116007_job_20100 9171055_0012_root_mahout-examples-0.3.job -rw-r--r-- 1 root supergroup 5757 2010-09-17 11:04 /user/root/output/clusters-9/part-00000 drwxr-xr-x - root supergroup 0 2010-09-17 10:59 /user/root/output/data drwxr-xr-x - root supergroup 0 2010-09-17 10:58 /user/root/output/data/_logs drwxr-xr-x - root supergroup 0 2010-09-17 10:58 /user/root/output/data/_logs/history -rw-r--r-- 1 root supergroup 16671 2010-09-17 10:58 /user/root/output/data/_logs/history/localhost_1284692116007_job_20100917105 5_0001_conf.xml -rw-r--r-- 1 root supergroup 6148 2010-09-17 10:58 /user/root/output/data/_logs/history/localhost_1284692116007_job_20100917105 5_0001_root_mahout-examples-0.3.job -rw-r--r-- 1 root supergroup 240672 2010-09-17 10:59 /user/root/output/data/part-00000 -rw-r--r-- 1 root supergroup 242288 2010-09-17 10:59 /user/root/output/data/part-00001 drwxr-xr-x - root supergroup 0 2010-09-17 11:04 /user/root/output/points drwxr-xr-x - root supergroup 0 2010-09-17 11:04 /user/root/output/points/_logs drwxr-xr-x - root supergroup 0 2010-09-17 11:04 /user/root/output/points/_logs/history -rw-r--r-- 1 root supergroup 17109 2010-09-17 11:04 /user/root/output/points/_logs/history/localhost_1284692116007_job_201009171 055_0013_conf.xml -rw-r--r-- 1 root supergroup 6124 2010-09-17 11:04 /user/root/output/points/_logs/history/localhost_1284692116007_job_201009171 055_0013_root_mahout-examples-0.3.job -rw-r--r-- 1 root supergroup 515948 2010-09-17 11:04 /user/root/output/points/part-00000 -rw-r--r-- 1 root supergroup 512632 2010-09-17 11:04 /user/root/output/points/part-00001 Then i download the output file to local use "hadoop fs -get output output" but when i view the result that kmeans created used the command: mahout clusterdump -s output/clusters-9 -p output/points it throws a exception: running on hadoop, using HADOOP_HOME=/usr/hadoop-0.20.2 and HADOOP_CONF_DIR=/usr/hadoop-0.20.2/conf 10/09/17 14:33:29 ERROR driver.MahoutDriver: MahoutDriver failed with args: [-s, output/clusters-9, -p, output/points, null] File does not exist: /usr/mahout-0.3/output/points/part-00000 Exception in thread "main" java.io.FileNotFoundException: File does not exist: /usr/mahout-0.3/output/points/part-00000 at org.apache.hadoop.hdfs.DistributedFileSystem.getFileStatus(DistributedFileSy stem.java:457) at org.apache.hadoop.fs.FileSystem.getLength(FileSystem.java:676) at org.apache.hadoop.io.SequenceFile$Reader.<init>(SequenceFile.java:1417) at org.apache.hadoop.io.SequenceFile$Reader.<init>(SequenceFile.java:1412) at org.apache.mahout.utils.clustering.ClusterDumper.readPoints(ClusterDumper.ja va:330) at org.apache.mahout.utils.clustering.ClusterDumper.init(ClusterDumper.java:85) at org.apache.mahout.utils.clustering.ClusterDumper.<init>(ClusterDumper.java:7 8) at org.apache.mahout.utils.clustering.ClusterDumper.main(ClusterDumper.java:276 ) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39 ) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl .java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.apache.hadoop.util.ProgramDriver$ProgramDescription.invoke(ProgramDriver .java:68) at org.apache.hadoop.util.ProgramDriver.driver(ProgramDriver.java:139) at org.apache.mahout.driver.MahoutDriver.main(MahoutDriver.java:172) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39 ) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl .java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.apache.hadoop.util.RunJar.main(RunJar.java:156) so, how to view the result of kmeans? Best Wishes Wangss