Hi, I'm installing Mahout, following this steps ( http://cloudblog.8kmiles.com/2012/01/31/apache-mahout-installation-on-hadoop-cluster/ ):
user1@ubuntu-server:~$ apt-get install maven2 user1@ubuntu-server:~$ cd /opt user1@ubuntu-server:~$ svn co http://svn.apache.org/repos/asf/mahout/trunk user1@ubuntu-server:~$ mv trunk mahout_trunk user1@ubuntu-server:~$ ln -s mahout_trunk/ mahout user1@ubuntu-server:~$ cd mahout user1@ubuntu-server:~$ mvn install I get this result: Results : Failed tests: testCanopyEuclideanMRJobNoClustering(org.apache.mahout.clustering.meanshift.TestMeanShift): count expected:<3> but was:<4> Tests run: 676, Failures: 1, Errors: 0, Skipped: 0 [INFO] ------------------------------------------------------------------------ [ERROR] BUILD FAILURE [INFO] ------------------------------------------------------------------------ [INFO] There are test failures. Please refer to /opt/mahout_trunk/core/target/surefire-reports for the individual test results. [INFO] ------------------------------------------------------------------------ [INFO] For more information, run Maven with the -e switch [INFO] ------------------------------------------------------------------------ [INFO] Total time: 51 minutes 43 seconds [INFO] Finished at: Thu Sep 13 12:27:34 CEST 2012 [INFO] Final Memory: 50M/399M [INFO] ------------------------------------------------------------------------ It seems it is know (same web page says: P.S.: Sometimes some tests fail while building mahout from source. In such cases use – user1@ubuntu-server:~$ mvn -DskipTests install) I'd like to understand what exactly the test run are... are they optional? An installation with -DskipTests is the same than the "clean" one? Are any documentation available explaining the installation a bit...? Thanks in advance. -- ----- David.
