Hadoop问题:启动hadoop时报namenode未初始化:java.io.IOException: NameNode is not formatted.
1、启动Hadoopubuntu@ubuntu:~/hadoop-1.0.4/bin$./start-all.shstartingnamenode,loggingto/home/ubuntu/hadoop-1.0.4/libexec/../logs/hadoop-ubuntu-namenode-ubuntu.outlocalhost:startingdatanode,loggingto/home/