Dear All: Please advise after viewing carefully below 1. Altered .profile after ssh local host and included export JAVA_HOME=/usr/lib/jvm/jdk1.8.0_91/ 2. Into cd/etc/hadoop, and added following entries in hadoop-env.sh export JAVA_HOME=/usr/lib/jvm/jdk1.8.0_91 export HADOOP_INSTALL=/home/anand/hadoop-2.6.0 export PATH=$PATH:$HADOOP_INSTALL/bin:$HADOOP_INSTALL/sbin 3. $. hadoop-env.sh 4.hadoop version nand@anand-Latitude-E5540:~/hadoop-2.6.0/etc/hadoop$ hadoop version Hadoop 2.6.0 Subversion https://git-wip-us.apache.org/repos/asf/hadoop.git -r e3496499ecb8d220fba99dc5ed4c99c8f9e33bb1 Compiled by jenkins on 2014-11-13T21:10Z Compiled with protoc 2.5.0 >From source with checksum 18e43357c8f927c0695f1e9522859d6a This command was run using /home/anand/hadoop-2.6.0/share/hadoop/common/hadoop-common-2.6.0.jar
5. anand@anand-Latitude-E5540:~/hadoop-2.6.0/sbin$ start-dfs.sh --config /home/anand/hadoop-2.6.0/sbin Starting namenodes on [localhost] localhost: Error: JAVA_HOME is not set and could not be found. cat: /home/anand/hadoop-2.6.0/sbin/slaves: No such file or directory Starting secondary namenodes [0.0.0.0] 0.0.0.0: Error: JAVA_HOME is not set and could not be found. I have installed latest JDK as above. Removed all old versions of JDK, gone thru all update-alternative sequences but still get this error. Shall be thankful if somebody can help. Regards Anand Murali
