About this question
I've been using the Dockerfile below to install java8. However, all of a sudden while creating the docker image it breaks with error
E: Unable to locate package oracle-java8-installer
E: Unable to locate package oracle-java8-set-default
Dockerfile
FROM ubuntu:trusty-20151218
ENV JAVA_VER 8
ENV JAVA_HOME /usr/lib/jvm/java-8-oracle
RUN echo 'deb http://ppa.launchpad.net/webupd8team/java/ubuntu trusty main' >> /etc/apt/sources.list &&
echo 'deb-src http://ppa.launchpad.net/webupd8team/java/ubuntu trusty main' >> /etc/apt/sources.list &&
apt-key adv --keyserver keyserver.ubuntu.com --recv-keys C2518248EEA14886 &&
apt-get update &&
echo oracle-java${JAVA_VER}-installer shared/accepted-oracle-licence-v1-1 select true | sudo /usr/bin/debconf-set-selections &&
apt-get install -y --force-yes --no-install-recommends oracle-java${JAVA_VER}-installer oracle-java${JAVA_VER}-set-default &&
rm -rf /var/cache/oracle-jdk${JAVA_VER}-installer
echo 'APT::Install-Recommends 0;' >> /etc/apt/apt.conf.d/01norecommends
&& echo 'APT::Install-Suggests 0;' >> /etc/apt/apt.conf.d/01norecommends
&& DEBIAN_FRONTEND=noninteractive apt-get install -y vim.tiny wget sudo net-tools ca-certificates unzip
&& apt-get clean
&& rm -rf /var/lib/apt/lists/*
