每当我尝试检查更新时，就会出现以下错误：
W:Failed to fetch http://ppa.launchpad.net/sun-java-community-team/sun-java6/ubuntu/dists/precise/main/source/Sources 404 Not Found
, W:Failed to fetch http://ppa.launchpad.net/sun-java-community-team/sun-java6/ubuntu/dists/precise/main/binary-amd64/Packages 404 Not Found
答案1
看起来这个 ppas 没有打开。尝试访问此链接，你会发现它们处于离线状态；你可能需要从另一个存储库获取 java。:(