Mac error: a jni error has occurred please check your installation and try again

Error: A JNI error has occurred, please check your installation and try again Exception in thread "main" java.lang.UnsupportedClassVersionError: XXXXX has been compiled by a more recent version of the Java Runtime (class file version 57.0), this versio..

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오류메시지
오류원인
해결방법
How do you fix a JNI error has occurred Please check your installation and try again?
How do I fix error a JNI error has occurred?

CODEDRAGON ㆍDevelopment/Java

오류메시지

Error: A JNI error has occurred, please check your installation and try again

Exception in thread "main" java.lang.UnsupportedClassVersionError: XXXXX has been compiled by a more recent version of the Java Runtime (class file version 57.0), this version of the Java Runtime only recognizes class file versions up to 52.0

C:\CodeLab>java ArrayEx24 apple
Error: A JNI error has occurred, please check your installation and try again
Exception in thread "main" java.lang.UnsupportedClassVersionError: ArrayEx24 has been compiled by a more recent version of the Java Runtime (class file version 57.0), this version of the Java Runtime only recognizes class file versions up to 52.0
        at java.lang.ClassLoader.defineClass1(Native Method)
        at java.lang.ClassLoader.defineClass(Unknown Source)
        at java.security.SecureClassLoader.defineClass(Unknown Source)
        at java.net.URLClassLoader.defineClass(Unknown Source)
        at java.net.URLClassLoader.access$100(Unknown Source)
        at java.net.URLClassLoader$1.run(Unknown Source)
        at java.net.URLClassLoader$1.run(Unknown Source)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(Unknown Source)
        at java.lang.ClassLoader.loadClass(Unknown Source)
        at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
        at java.lang.ClassLoader.loadClass(Unknown Source)
        at sun.launcher.LauncherHelper.checkAndLoadMain(Unknown Source)

C:\CodeLab>

오류원인

컴파일한자바버전과실행시사용하고있는자바버전이다른경우발생합니다.

C:\CodeLab>java -version
java version "1.8.0_181"
Java(TM) SE Runtime Environment (build 1.8.0_181-b13)
Java HotSpot(TM) 64-Bit Server VM (build 25.181-b13, mixed mode)

C:\CodeLab>

C:\Program Files\Zulu\zulu-13\bin>java -version
openjdk version "13.0.1" 2019-10-15
OpenJDK Runtime Environment Zulu13.28+11-CA (build 13.0.1+10-MTS)
OpenJDK 64-Bit Server VM Zulu13.28+11-CA (build 13.0.1+10-MTS, mixed mode, sharing)

C:\Program Files\Zulu\zulu-13\bin>

해결방법

환경설정을통해 동일 Java을사용하도록설정합니다.

https://codedragon.tistory.com/4590

개발환경 구축 - eclipse를 통한 Java 프로그래밍

eclipse를 통한 Java 프로그래밍 JDK 설치 시스템 환경변수 등록하기, Java 컴파일 환경 구성, Path설정 eclipse 설치 JDK 설치 http://codedragon.tistory.com/2348 JDK 설치 - 단계별 Step by Step java 개발 환..

codedragon.tistory.com

How do you fix a JNI error has occurred Please check your installation and try again?

This a JNI error has occurred Minecraft server error occurs when you try to start Minecraft or a Minecraft server on a PC that does not have the latest version installed. To fix this, you just need to update your current Java to the latest version.