> There is no need to run Nutch following the tutorial, the tutorial is > extremely out dated and confusing, >
You are welcome to contribute and improve it > this worked for me: > bin/hadoop jar nutch-1.3.job org.apache.nutch.crawl.Crawl urls -dir > crawl -depth 3 -topN 50 > > I got it from: > > http://www.marco.bianchi.name/myPortal/how-to-run-nutch-13-in-distributed-mode.aspx > > Thanks, > Peyman > > On Fri, Dec 23, 2011 at 2:11 AM, Markus Jelsma > <[email protected]> wrote: > > 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 > -- * *Open Source Solutions for Text Engineering http://digitalpebble.blogspot.com/ http://www.digitalpebble.com
