Ubuntu20.04安装 JDK-8 缺少Breaks: x11-common (＜ 1:7.7+23~) but 1:7.7+19ubuntu7.1 is

Ubuntu20.04安装 JDK-8 缺少Breaks: x11-common (＜ 1:7.7+23~) but 1:7.7+19ubuntu7.1 is to be installed解决方法

• 缺少x11-common，直接安装x11-common 也是失败

• 备份原有源，更换官方源

  deb http://archive.ubuntu.com/ubuntu/ jammy main restricted universe multiverse
  deb-src http://archive.ubuntu.com/ubuntu/ jammy main restricted universe multiverse
  
  deb http://archive.ubuntu.com/ubuntu/ jammy-security main restricted universe multiverse
  deb-src http://archive.ubuntu.com/ubuntu/ jammy-security main restricted universe multiverse
  
  deb http://archive.ubuntu.com/ubuntu/ jammy-updates main restricted universe multiverse
  deb-src http://archive.ubuntu.com/ubuntu/ jammy-updates main restricted universe multiverse
  
  deb http://archive.ubuntu.com/ubuntu/ jammy-backports main restricted universe multiverse
  deb-src http://archive.ubuntu.com/ubuntu/ jammy-backports main restricted universe multiverse
  
  ## Not recommended
  # deb http://archive.ubuntu.com/ubuntu/ jammy-proposed main restricted universe multiverse
  # deb-src http://archive.ubuntu.com/ubuntu/ jammy-proposed main restricted universe multiverse
  

• 更新源，安装 x11-common

  sudo apt update 
  sudo apt install x11-common
  

• 安装 **JDK-8 **

  sudo apt install openjdk-8-jdk
  

• 最后查看是否安装成功

  java -version
  

• 安装成功