Err:12 http://security.ubuntu.com/ubuntu Focal-updates/main amd64 openjdk-11-jre-headless amd64 11.0.11+9-0ubuntu2~20.04
404 Not Found [IP: 91.189.88.152 80]
apt install openjdk-11-jre-headless ## The following error is reported when installing the java environment
2. Solution
apt update
3. Testing
apt install openjdk-11-jre-headless -y
root@DESKTOP-1N42TVH:/home/software/frontend# java --version openjdk 11.0.13 2021-10-19 OpenJDK Runtime Environment (build 11.0.13+8-Ubuntu-0ubuntu1.20.04) OpenJDK 64-Bit Server VM (build 11.0.13+8-Ubuntu-0ubuntu1.20.04, mixed mode, sharing)