Hi Amandeep, You simply need to copy the fair scheduler jar out of the contrib/fairscheduler directory into lib/
Hope that helps -Todd On Fri, Jun 5, 2009 at 9:40 PM, Amandeep Khurana <[email protected]> wrote: > I am trying to deploy 0.19.3 hadoop on a cluster and while starting up I'm > getting the following error in the jobtracker logs: > > 2009-06-05 21:38:16,319 FATAL org.apache.hadoop.mapred.JobTracker: > java.lang.RuntimeException: java.lang.RuntimeException: > java.lang.ClassNotFoundException: org.apache.hadoop.mapred.FairScheduler > at org.apache.hadoop.conf.Configuration.getClass(Configuration.java:752) > at org.apache.hadoop.mapred.JobTracker.<init>(JobTracker.java:1078) > at org.apache.hadoop.mapred.JobTracker.startTracker(JobTracker.java:143) > at org.apache.hadoop.mapred.JobTracker.main(JobTracker.java:2790) > Caused by: java.lang.RuntimeException: java.lang.ClassNotFoundException: > org.apache.hadoop.mapred.FairScheduler > at org.apache.hadoop.conf.Configuration.getClass(Configuration.java:720) > at org.apache.hadoop.conf.Configuration.getClass(Configuration.java:744) > ... 3 more > Caused by: java.lang.ClassNotFoundException: > org.apache.hadoop.mapred.FairScheduler > at java.net.URLClassLoader$1.run(URLClassLoader.java:200) > at java.security.AccessController.doPrivileged(Native Method) > at java.net.URLClassLoader.findClass(URLClassLoader.java:188) > at java.lang.ClassLoader.loadClass(ClassLoader.java:307) > at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301) > at java.lang.ClassLoader.loadClass(ClassLoader.java:252) > at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:320) > at java.lang.Class.forName0(Native Method) > at java.lang.Class.forName(Class.java:247) > at > org.apache.hadoop.conf.Configuration.getClassByName(Configuration.java:673) > at org.apache.hadoop.conf.Configuration.getClass(Configuration.java:718) > ... 4 more > > Where do I look to solve this? > > Amandeep > > > Amandeep Khurana > Computer Science Graduate Student > University of California, Santa Cruz >
