Something on your path is missing. What if you upgrade to Nutch 1.4 and try again?
On Thursday 22 December 2011 02:47:21 Peyman Mohajerian wrote: > Hi Guys, > > I run Nutch fine without using Hadoop, but following: > http://wiki.apache.org/nutch/NutchHadoopTutorial > I get this error when I start crawling: > class not found exception on: org/apache/hadoop/util/PlatformName > > This class is in hadoop-core-0.20.2.jar that comes with Nutch1.3. > Initially i didn't copy this file to my 'nutch/lib' directory because > I assumed hadoop already has this jar and I don't have to copy it from > Nutch lib over. But due to the above error I decided to copy it over, > but it didn't help. I'm assuming there is a jar conflict at some > point. The tutorial is not clear, what I understand from it is that > I'm supposed to merge all the lib, bin, conf from both hadoop and > nutch in one location and there are some incompatible jars. I'm using > Hadoop .20.205, Running any Map/Reduce job or copying stuff to hdfs > works just fine. > > Any ideas? > > Thanks > Peyman > > here is the stack: > peyman@ubuntu:/host/Users/Peyman/Documents/hadoop-0.20.205.0/nutch$ > bin/nutch crawl /user/peyman/urls -dir fbprofilecrawl -depth 3 -topN > 50 > Exception in thread "main" java.lang.NoClassDefFoundError: > org/apache/hadoop/util/PlatformName > Caused by: java.lang.ClassNotFoundException: > org.apache.hadoop.util.PlatformName at > java.net.URLClassLoader$1.run(URLClassLoader.java:202) > at java.security.AccessController.doPrivileged(Native Method) > at java.net.URLClassLoader.findClass(URLClassLoader.java:190) > at java.lang.ClassLoader.loadClass(ClassLoader.java:306) > at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301) > at java.lang.ClassLoader.loadClass(ClassLoader.java:247) > Could not find the main class: org.apache.hadoop.util.PlatformName. > Program will exit. > solrUrl is not set, indexing will be skipped... -- Markus Jelsma - CTO - Openindex
