I'm trying to install Java 8 on a GitLab Runner like this: apt-get --quiet update --yesapt-get --quiet upgrade --yesapt-get --quiet install --yes software-properties-common python-software-propertiesecho oracle-java8-installer shared/accepted-oracle-license-v1-1 select true | debconf-set-selectionsadd-apt-repository ppa:webupd8team/javaecho deb http://ppa.launchpad.net/webupd8team/java/ubuntu xenial main | tee /etc/apt/sources.list.d/webupd8team-java.listecho deb-src http://ppa.launchpad.net/webupd8team/java/ubuntu xenial main | tee -a /etc/apt/sources.list.d/webupd8team-java.listapt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys EEA14886apt-get --quiet update --yesapt-get --quiet install --yes oracle-java8-installer oracle-java8-set-defaultBut I still get this error, which says a website can't be found:W: Failed to fetch http://ppa.launchpad.net/webupd8team/java/ubuntu/dists/jessie/main/binary-amd64/Packages  404  Not FoundI tried it for several hours now and hope someone can help me. 
Install Oracle Java 8
debian;java;ppa;oracle;gitlab