I ve attached the screen shots of the exception and hadoop-site.xml. Thanks!
On Wed, Nov 19, 2008 at 9:12 PM, Mithila Nagendra <[EMAIL PROTECTED]> wrote: > Hello > I m currently a student at Arizona State University, Tempe, Arizona, > pursuing my masters in Computer Science. I m currently involved in a > research project that makes use of Hadoop to run various map reduce > functions. Hence I searched the web on whats the best way to install Hadoop > on different nodes in a cluster, and I stumbled upon your website. > > I used your tutorial on "How to install hadoop on a linux system" by > Michael Noll to setup Hadoop on a UNIX system. I have a few questions > related to it: > > 1. Does it matter that I m installing hadoop on UNIX and not on LINUX - do > I have to follow different steps? > 2. The configuration for hadoop-site.xml - does it remain the same no > matter what platform is being used? Do I just type the same thing out in the > file hadoop-site.xml present in the hadoop installation on the node? > 3. When I try to start the daemons by executing the command > conf/start-all.sh, I get an exception which says "hadoop: user specified > log class 'org.apache.commons.logging.impl.Log4JLogger' cannot be found or > is not usable" - this happens when tasktracker is being started. What steps > do I take to deal with this exception? > > I could send you the screen shot of the exception if you wish. It would be > of immense help if you could provide answers for the above questions. > > Thank you! Looking forward to your reply. > > Best Regards > Mithila Nagendra >
