$ brew tap adoptopenjdk/openjdk
==> Tapping adoptopenjdk/openjdk
Cloning into '/usr/local/Homebrew/Library/Taps/adoptopenjdk/homebrew-openjdk'...
fatal: unable to access 'https://github.com/adoptopenjdk/homebrew-openjdk/': Could not resolve host: github.com
Error: Failure while executing; `git clone https://github.com/adoptopenjdk/homebrew-openjdk /usr/local/Homebrew/Library/Taps/adoptopenjdk/homebrew-openjdk --depth=1` exited with 128.
The command "brew tap adoptopenjdk/openjdk" failed and exited with 1 during .