安装hadoop走到第二步 执行sudo apt-get update的时候,提示错我,代码如下: 错误 http://archive.cloudera.com cmprecise-cm4/contrib Sources 404 Not Found [54.230.117 80] W: 无法下载 http://archive.cloudera.com/cm4/ubuntu/precise/amd64/dists/cmprecise-cm4/contrib/source/Sources 404 Not Found [54.230.117 80] 教程连接如下:http://www.idefs.com/recordsubuntu-12-04-cloudera-installation-manager-4-8-2-mysql.html