java - Error installing openjdk-7 - Ask Ubuntu
this question has answer here:
i tried installing opendjk-7
in way suggested here, error:
w: repository 'http://ppa.launchpad.net/openjdk-r/ppa/ubuntu yakkety release' not have release file. n: data such repository can't authenticated , therefore potentially dangerous use. n: see apt-secure(8) manpage repository creation , user configuration details. e: failed fetch http://ppa.launchpad.net/openjdk-r/ppa/ubuntu/dists/yakkety/main/binary-i386/packages 404 not found e: index files failed download. have been ignored, or old ones used instead.
there no pagckage ubuntu 16.10 (yakkety). check openjdk-r/ppa/ubuntu/dists/ . try install openjdk9
instead
sudo apt-get update sudo apt-get install openjdk-9-jdk
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