BUG! exception in phase 'semantic analysis' in source unit '_BuildScript_' Unsupported class file major version 65

증상

BUG! exception in phase 'semantic analysis' in source unit '_BuildScript_' Unsupported class file major version 65

 

원인

• JDK 와 Gradle 버전 호환 문제

버전확인

PS D:\> gradle -v

------------------------------------------------------------
Gradle 8.0.2
------------------------------------------------------------

Build time:   2023-03-03 16:41:37 UTC
Revision:     7d6581558e226a580d91d399f7dfb9e3095c2b1d

Kotlin:       1.8.10
Groovy:       3.0.13
Ant:          Apache Ant(TM) version 1.10.11 compiled on July 10 2021
JVM:          21.0.5 (Amazon.com Inc. 21.0.5+11-LTS)
OS:           Windows 11 10.0 amd64

PS D:\> java --version
openjdk 21.0.5 2024-10-15 LTS
OpenJDK Runtime Environment Corretto-21.0.5.11.1 (build 21.0.5+11-LTS)
OpenJDK 64-Bit Server VM Corretto-21.0.5.11.1 (build 21.0.5+11-LTS, mixed mode, sharing)

해결

호환성확인 

Java LTS

Java version	Support for toolchains	Support for running Gradle
8	N/A	2.0
11	N/A	5.0
17	7.3	7.3
21	8.4	8.5

 

Java LTS support Gradle과 대응되는 Kotlin

Embedded Kotlin version	Minimum Gradle version	Kotlin Language version
1.3.10	5.0	1.3
1.5.31	7.3	1.4
1.9.20	8.5	1.8

 

확인

PS D:\> gradle -v

Welcome to Gradle 8.5!

Here are the highlights of this release:
 - Support for running on Java 21
 - Faster first use with Kotlin DSL
 - Improved error and warning messages

For more details see https://docs.gradle.org/8.5/release-notes.html


------------------------------------------------------------
Gradle 8.5
------------------------------------------------------------

Build time:   2023-11-29 14:08:57 UTC
Revision:     28aca86a7180baa17117e0e5ba01d8ea9feca598

Kotlin:       1.9.20
Groovy:       3.0.17
Ant:          Apache Ant(TM) version 1.10.13 compiled on January 4 2023
JVM:          21.0.5 (Amazon.com Inc. 21.0.5+11-LTS)
OS:           Windows 11 10.0 amd64

PS D:\test> gradle build
Starting a Gradle Daemon, 4 incompatible Daemons could not be reused, use --status for details

> Task :buildEnvironment

------------------------------------------------------------
Root project 'test'
------------------------------------------------------------

classpath
No dependencies

A web-based, searchable dependency report is available by adding the --scan option.

BUILD SUCCESSFUL in 5s
1 actionable task: 1 executed

 

https://docs.gradle.org/current/userguide/compatibility.html

Compatibility Matrix