有个错：将ssh-keygen -rsa -P ""改成ssh-keygen rsa -P ""然后java的路径默认应该是 /usr/lib/jvm/java-6-openjdk如果你的ssh提示需要密码，还需要用cat ~/.ssh/id_rsa.pub >> ~/.ssh/authorized_keys来取消密钥 hadoop搭建与eclipse开发环境设置-邵岩飞组.pdf