Dear All: I am unable to start Hadoop even after setting HADOOP_INSTALL,JAVA_HOME and JAVA_PATH. Please find below error message anand_vihar@Latitude-E5540:~/hadoop-2.6.0$ start-dfs.sh --config /home/anand_vihar/hadoop-2.6.0/conf Starting namenodes on [localhost] localhost: Error: JAVA_HOME is not set and could not be found. cat: /home/anand_vihar/hadoop-2.6.0/conf/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.
anand_vihar@Latitude-E5540:~/hadoop-2.6.0$ echo $JAVA_HOME /usr/lib/jvm/java-1.7.0-openjdk-amd64 anand_vihar@Latitude-E5540:~/hadoop-2.6.0$ echo $HADOOP_INSTALL /home/anand_vihar/hadoop-2.6.0 anand_vihar@Latitude-E5540:~/hadoop-2.6.0$ echo $PATH :/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/home/anand_vihar/hadoop-2.6.0/bin:/home/anand_vihar/hadoop-2.6.0/sbin:/usr/lib/jvm/java-1.7.0-openjdk-amd64:/usr/lib/jvm/java-1.7.0-openjdk-amd64 anand_vihar@Latitude-E5540:~/hadoop-2.6.0$ I HAVE MADE NO CHANGES IN HADOOP_ENV.sh and run it succesfully. Core-site.xml<?xml version="1.0"?> <!--core-site.xml--> <configuration> <property> <name>fs.default.name</name> <value>hdfs://localhost/</value> </property> </configuration> HDFS-site.xml<?xml version="1.0"?> <!-- hdfs-site.xml --> <configuration> <property> <name>dfs.replication</name> <value>1</value> </property> </configuration> Mapred-site.xml<?xml version="1.0"?> <!--mapred-site.xml--> <configuration> <property> <name>mapred.job.tracker</name> <value>localhost:8021</value> </property> </configuration> Shall be thankful, if somebody can advise. Regards, Anand Murali 11/7, 'Anand Vihar', Kandasamy St, MylaporeChennai - 600 004, IndiaPh: (044)- 28474593/ 43526162 (voicemail)
