Mahout 0.9 is not compatible Hadoop 2.x. Either u can work off present git codebase on HAdoop 2.x or try running Mahout 0.9 on Hadoop 1.2.1
On Mon, Oct 27, 2014 at 1:34 AM, jyotiranjan panda <[email protected]> wrote: > Hi, > I have just started mahout learning last week. > I am facing lots of problem in executing sample examples in mahout, before > I ask those errors, I want to confirm about the version compatibility of > demons. > > I am using Apache Hadoop-2.3.0 with Mahout-distrubution-0.9 in ubuntu14.04 > 32 bit Laptop. > while running Mahout on command I don’t get any errors and it gives me all > the valid program names as output.But while executing a clustering example > it gives error as below. > > --------------------------------------------------------------------------- > hduser@localhostjp:/usr/local/hadoop$ hadoop jar mahouttest.jar > Exception in thread "main" java.lang.NoClassDefFoundError: > org/apache/mahout/math/Vector > at java.lang.Class.forName0(Native Method) > at java.lang.Class.forName(Class.java:270) > at org.apache.hadoop.util.RunJar.main(RunJar.java:205) > Caused by: java.lang.ClassNotFoundException: org.apache.mahout.math.Vector > at java.net.URLClassLoader$1.run(URLClassLoader.java:366) > at java.net.URLClassLoader$1.run(URLClassLoader.java:355) > at java.security.AccessController.doPrivileged(Native Method) > at java.net.URLClassLoader.findClass(URLClassLoader.java:354) > at java.lang.ClassLoader.loadClass(ClassLoader.java:425) > at java.lang.ClassLoader.loadClass(ClassLoader.java:358) > ... 3 more > > ----------------------------------------------------------------------------------------------------------- > > Regards > JyotiRanjan Panda >
