Hi, Can you please confirm if you've set JAVA_HOME in <conf-dir>/hadoop-env.sh on all the nodes ?
Thanks Hemanth On Tue, Aug 31, 2010 at 6:21 AM, Mohit Anchlia <mohitanch...@gmail.com> wrote: > Hi, > > I am running some basic setup and test to know about hadoop. When I > try to start nodes I get this error. I am already using java 1.6. Can > someone please help? > > # echo $JAVA_HOME > /root/jdk1.6.0_21/ > > # java -version > java version "1.6.0_21" > Java(TM) SE Runtime Environment (build 1.6.0_21-b06) > Java HotSpot(TM) Server VM (build 17.0-b16, mixed mode) > > [r...@qysprfefitbap06 hadoop-0.20.2]# ./bin/start-all.sh > starting namenode, logging to > /root/hadoop/hadoop-0.20.2/bin/../logs/hadoop-root-namenode-qysprfefitbap06.data.ieptc.intuit.net.out > localhost: > localhost: > ******************************************************************************** > localhost: This is a private computer system containing information > that is proprietary > localhost: and confidential to the owner of the system. only > individuals or entities > localhost: authorized by the owner of the system are allowed to access > or use the system. > localhost: Any unauthorized access or use of the system or information > is strictly > localhost: prohibited. > localhost: > localhost: All violators will be prosecuted to the fullest extent > permitted by law. > localhost: > ******************************************************************************** > localhost: > localhost: starting datanode, logging to > /root/hadoop/hadoop-0.20.2/bin/../logs/hadoop-root-datanode-qysprfefitbap06.data.ieptc.intuit.net.out > localhost: Exception in thread "main" > java.lang.UnsupportedClassVersionError: Bad version number in .class > file > localhost: at java.lang.ClassLoader.defineClass1(Native Method) > localhost: at java.lang.ClassLoader.defineClass(ClassLoader.java:620) > localhost: at > java.security.SecureClassLoader.defineClass(SecureClassLoader.java:124) > localhost: at > java.net.URLClassLoader.defineClass(URLClassLoader.java:260) > localhost: at java.net.URLClassLoader.access$100(URLClassLoader.java:56) > localhost: at java.net.URLClassLoader$1.run(URLClassLoader.java:195) > localhost: at java.security.AccessController.doPrivileged(Native Method) > localhost: at java.net.URLClassLoader.findClass(URLClassLoader.java:188) > localhost: at java.lang.ClassLoader.loadClass(ClassLoader.java:306) >
