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Ubuntu 18.04にOpenJDK 8(1.8)をインストール(OS標準)

Last updated at Posted at 2019-10-06

はじめに

Ubuntu18.04にOpenJDKを標準インストール
親記事:OpenJDKの各種インストール方法とEOLまとめ

サポート

Java Is Still Free (日本語版)では、”At least through Sept 2023” という記載がある。またOSのEOLは2023-04となる。
ただしAnnouncing OpenJDK 11 packages in Ubuntu 18.04 LTS | Ubuntuにより、2021-04までの保守になる模様。
それ以降に報告された脆弱性や不具合への対応は実施されない可能性がある。
OpenJDK SRU exceptionでも関連した言及あり。

LOG

インストール

# cat /etc/os-release
NAME="Ubuntu"
VERSION="18.04.3 LTS (Bionic Beaver)"
ID=ubuntu
ID_LIKE=debian
PRETTY_NAME="Ubuntu 18.04.3 LTS"
VERSION_ID="18.04"
HOME_URL="https://www.ubuntu.com/"
SUPPORT_URL="https://help.ubuntu.com/"
BUG_REPORT_URL="https://bugs.launchpad.net/ubuntu/"
PRIVACY_POLICY_URL="https://www.ubuntu.com/legal/terms-and-policies/privacy-policy"
VERSION_CODENAME=bionic
UBUNTU_CODENAME=bionic

# apt update;apt install -y openjdk-8-jdk
... 略

各種確認

# which java
/usr/bin/java

# java -version
openjdk version "1.8.0_222"
OpenJDK Runtime Environment (build 1.8.0_222-8u222-b10-1ubuntu1~18.04.1-b10)
OpenJDK 64-Bit Server VM (build 25.222-b10, mixed mode)
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