On Wed, 2011-03-16 at 23:19 +0800, Alex Luya wrote: > I download cloudera CDH3 beta:hadoop-0.20.2+228,and modified three > files:hdfs.xml,core-site.xml and hadoop-env.sh.and I do have set > JAVA_HOME in file:hadoop-env.sh,and then try to run:start-dfs.sh,got > this error,but strange thing is that namenode is running.I can't > understand why.Any help is appreciate. > I think that this questions is for the cdh-users mailing list, but I will try to help you?
1- Are you sure that you installed the Java Development Kit(JDK 1.6+)? 2- Which is your environment? - Operating System - Architecture 3- Can you check the Cloudera Documentation about: Installing and configuring CDH3? http://docs.cloudera.com/ 4- If you did a new user account(recommended) called hadoop. Did you check that on environment of this user, did you set the JAVA_HOME variable? If you are using a Linux distribution supported by the Cloudera´s Team, I recommend you that you should use the official repositories. http://archives.cloudera.com You can check the last news on the blog, where they talked about the new Linux distributions supported by CDH3: - Debian 5/6 - Ubuntu 10.10 - Red Hat 5.4 - CentOS 5 - SUSE EL 11 The last recommendation is to check the DZone RefCard from Eugene Ciurana(http://eugeneciurana.eu) and the Cloudera´Team called "Apache Hadoop Deployment:A Blueprint for Reliable Distributed Computing" Regards, -- Marcos Luís Ortíz Valmaseda Software Engineer Centro de Tecnologías de Gestión de Datos (DATEC) Universidad de las Ciencias Informáticas http://uncubanitolinuxero.blogspot.com http://www.linkedin.com/in/marcosluis2186
