Oracle JDK17 설치 시도

갑골문이'Oracle JDK17'부터 다시 무료 제공(공식 환경에서도 사용 가능)한다는 기사를 봤어요.
어쨌든 설치해 봤어요.

Oracle JDK17의 주요 특징

공식 환경에서 무료

LTS Edition(LTC: Long Term Support)
- 다음 장기 지원(LTS) 출시 1년 후까지 지원 예정
- 그러나 Oracle은 다음 LTS에 대해 "2년 후가 될 수 있습니까?"그래서 유통기한이 3년(2024년) 정도?

전제 조건

mac

활용

Homebrew,anyenv,jenv

설치

Oracle JDK17 설치(저렴)

$ brew install --cask oracle-jdk
$ /usr/libexec/java_home -V
$ jenv add /Library/Java/JavaVirtualMachines/jdk-17.0.1.jdk/Contents/Home
$ jenv versions
$ jenv global 17.0
$ java -version

Oracle JDK17 설치(상세)

"oracle-jdk" 패키지 검색

$ brew search oracle-jdk
==> Casks
oracle-jdk                                                 oracle-jdk-javadoc

"oracle-jdk" 정보 표시

$ brew info oracle-jdk
oracle-jdk: 17.0.1
https://www.oracle.com/java/technologies/downloads/
Not installed
From: https://github.com/Homebrew/homebrew-cask/blob/HEAD/Casks/oracle-jdk.rb
==> Name
Oracle Java Standard Edition Development Kit
==> Description
JDK from Oracle
==> Artifacts
JDK 17.0.1.pkg (Pkg)
==> Caveats
Installing oracle-jdk means you have AGREED to the license at:
  https://www.oracle.com/downloads/licenses/no-fee-license.html

==> Analytics
install: 935 (30 days), 2,914 (90 days), 13,457 (365 days)

oracle-jdk 설치

$ brew install --cask oracle-jdk
Updating Homebrew...
==> Auto-updated Homebrew!
Updated 3 taps (homebrew/cask-versions, homebrew/core and homebrew/cask).
==> New Formulae
fnlfmt                                                     spdx-sbom-generator
==> Updated Formulae
Updated 253 formulae.
==> New Casks
inso                                                       inso-alpha
==> Updated Casks
Updated 36 casks.
==> Deleted Casks
eudic-es                                                   videobox

==> Caveats
Installing oracle-jdk means you have AGREED to the license at:
  https://www.oracle.com/downloads/licenses/no-fee-license.html

==> Downloading https://download.oracle.com/java/17/latest/jdk-17_macos-x64_bin.dmg
######################################################################## 100.0%
Warning: No checksum defined for cask 'oracle-jdk', skipping verification.
==> Installing Cask oracle-jdk
==> Running installer for oracle-jdk; your password may be necessary.
Package installers may write to any location; options such as `--appdir` are ignored.
Password:
installer: Package name is JDK 17.0.1
installer: Installing at base path /
installer: The install was successful.
🍺  oracle-jdk was successfully installed!

Java Home 확인

$ /usr/libexec/java_home -V
Matching Java Virtual Machines (7):
    17.0.1, x86_64:	"Java SE 17.0.1"	/Library/Java/JavaVirtualMachines/jdk-17.0.1.jdk/Contents/Home
    ・・・省略・・・

jev에 Java 추가

$ jenv add /Library/Java/JavaVirtualMachines/jdk-17.0.1.jdk/Contents/Home
oracle64-17.0.1 added
17.0.1 added
17.0 added
 17.0.1 already present, skip installation

jev에서 사용하는 Java 버전 확인(시스템)

$ jenv versions
* system (set by /Users/tack/.anyenv/envs/jenv/version)
  17.0
  17.0.1
  oracle64-17.0.1

글로벌 Java 환경 설정

$ jenv global 17.0

Jenv에서 사용하는 Java 버전 확인(17.0)

$ jenv versions
  system
* 17.0 (set by /Users/tack/.anyenv/envs/jenv/version)
  17.0.1
  oracle64-17.0.1

Java 버전 확인(17.01)

$ java -version 
java version "17.0.1" 2021-10-19 LTS
Java(TM) SE Runtime Environment (build 17.0.1+12-LTS-39)
Java HotSpot(TM) 64-Bit Server VM (build 17.0.1+12-LTS-39, mixed mode, sharing)

"java" 명령의 참조처 확인(anyenv의 jeenv)

$ which java
/Users/tack/.anyenv/envs/jenv/shims/java

참고 자료

https://www.publickey1.jp/blog/21/oracle_jdkjava_17.html
https://www.oracle.com/jp/news/announcement/java17-jp-2021-09-17/
https://www.publickey1.jp/blog/21/javalts2lts32.html