Thnx steeve Reason for failure: The Java which was deployed IBM java.
Fix to overcome: 1) Install a Sun Java - Download jdk-6u24-linux-i586.bin - Make this executable chmod +x jdk-6u24-linux-i586.bin - run the executable now ./jdk-6u24-linux-i586.bin 2) Change the hadoop-0.20.203.0/conf/hadoop-env.sh to point the latest JAVA export JAVA_HOME=Include ur JAVA PATH Please mail me if you still have issue. -- View this message in context: http://hadoop-common.472056.n3.nabble.com/java-lang-NoClassDefFoundError-com-sun-security-auth-UnixPrincipal-tp2989927p2995577.html Sent from the Users mailing list archive at Nabble.com.
