I have upgraded hadoop from 0.18.X to 0.19.X then to 0.20.X successfully please follow this link:
http://hadoop-tutorial.blogspot.com/2010/11/upgrade-hadoop.html If you get any error please leave a comment -Thanks and Regards, Rahul Patodi Associate Software Engineer, Impetus Infotech (India) Private Limited, www.impetus.com Mob:09907074413 On Tue, Nov 23, 2010 at 5:48 PM, prachi agrawal <[email protected]>wrote: > how can we upgrade hadoop without any exception also describe upgrade > procedure concept > i tried to upgrade but got lots of exceptions > like: > inconsistance state exception, > org.apache.hadoop.security.AccessControlException > org.apache.hadoop.hdfs.server.namenode.FSNamesystem: FSNamesystem > initialization failed. > org.apache.hadoop.hdfs.server.namenode.NameNode: > org.apache.hadoop.hdfs.server.common.InconsistentFSStateException > org.apache.hadoop.hdfs.server.namenode.FSNamesystem: FSNamesystem > initialization failed > --
