我想在我的机器上安装 Open JDK 或 Oracle JDK，但在安装过程中出现错误。错误是：
Selecting previously unselected package oracle-java8-installer.
dpkg: warning: files list file for package 'unity-scope-gourmet' missing; assuming package has no files currently installed
dpkg: warning: files list file for package 'unity-scope-guayadeque' missing; assuming package has no files currently installed
dpkg: warning: files list file for package 'unity-scope-gmusicbrowser' missing; assuming package has no files currently installed
dpkg: warning: files list file for package 'unity-scope-manpages' missing; assuming package has no files currently installed
dpkg: warning: files list file …