main 함수 실행 버튼

안녕하세요.

프로젝트를 열고 HelloSpringApplication.java의 main함수를 실행시키고 싶은데 함수 좌측에 실행버튼이 안뜹니다.

Configurations에서 Application을 추가하여 main class를 지정하려고해도 해당 main 함수를 찾을 수 없습니다.(아래사진)

아무설정 없이 기본으로 사진과 같이 settings.gradle의 해당프로젝트를 run하면 아래와 같이 출력됩니다. 실행설정을 어떻게 해야할까요?

rootProject.name = 'hello-spring'

오후 3:46:51: Executing task ' --scan --scan --scan'...


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BUILD SUCCESSFUL in 922ms
1 actionable task: 1 executed

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Publishing build scan...

A network error occurred.

A valid SSL connection could not be established.
This is likely due to the server presenting an invalid or untrusted certificate.
Please consult the following URL for more information: https://gradle.com/help/plugin-ssl

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Gradle version: 6.8.3
Plugin version: 3.5
Request URL: https://scans-in.gradle.com/scans/publish/gradle/3.5/token
Request ID: a5cf95a0-2899-469e-9927-20c63a7a403f
Exception: javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
----------

오후 3:47:05: Task execution finished ' --scan --scan --scan'.