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Ubuntu 20.04にOpenJDK11 + OpenJ9をインストール(AdoptOpenJDK)

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はじめに

AdoptOpenJDKを利用してUbuntu20.04にOpenJDK11 + OpenJ9をインストール
親記事:OpenJDKの各種インストール方法とEOLまとめ
参考:Installation | AdoptOpenJDK - Open source, prebuilt OpenJDK binaries

サポート

本手法で導入した場合、Support | AdoptOpenJDK - Open source, prebuilt OpenJDK binariesより、2024-10がEOLになると思われる。
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。

LOG

レポジトリ登録

# apt update;apt install -y wget software-properties-common
# wget -qO - https://adoptopenjdk.jfrog.io/adoptopenjdk/api/gpg/key/public | apt-key add -
# add-apt-repository --yes https://adoptopenjdk.jfrog.io/adoptopenjdk/deb/

インストール

# cat /etc/os-release
NAME="Ubuntu"
VERSION="20.04 LTS (Focal Fossa)"
ID=ubuntu
ID_LIKE=debian
PRETTY_NAME="Ubuntu 20.04 LTS"
VERSION_ID="20.04"
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=focal
UBUNTU_CODENAME=focal

# apt update; apt install -y adoptopenjdk-11-openj9
... 略

各種確認

# which java
/usr/bin/java

# java -version
openjdk version "11.0.7" 2020-04-14
OpenJDK Runtime Environment AdoptOpenJDK (build 11.0.7+10)
Eclipse OpenJ9 VM AdoptOpenJDK (build openj9-0.20.0, JRE 11 Linux amd64-64-Bit Compressed References 20200416_574 (JIT enabled, AOT enabled)
OpenJ9   - 05fa2d361
OMR      - d4365f371
JCL      - 838028fc9d based on jdk-11.0.7+10)
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