[STS] IllegalArgumentException : Unsupported class file major version 65

신규 프로젝트 생성시 오류 발생

IllegalArgumentException: Unsupported class file major version 65

JAVA와 GRADLE 버전 차이로 인한 오류일 가능성 높음

 

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1. JDK Version 확인

• Window -> Preferences -> Installed JREs

 

 

2. Compiler Version 확인

• Window -> Preferences -> Compiler

 

 

3. Gradle Version 확인

• Window -> Preferences -> Gradle (Java Version에 맞는 Gradle 선택)

 

 

Java version	Support for toolchains	Support for running Gradle
8	N/A	2.0
9	N/A	4.3
10	N/A	4.7
11	N/A	5.0
12	N/A	5.4
13	N/A	6.0
14	N/A	6.3
15	6.7	6.7
16	7.0	7.0
17	7.3	7.3
18	7.5	7.5
19	7.6	7.6
20	8.1	8.3
21	8.4	8.5
22	8.7	8.8
23	8.10	8.10
24	N/A	N/A

 

Compatibility Matrix

Compatibility Matrix