Web server failed to start. Port 8080 was already in use.

1. 오류

• 해당 포트를 이미 사용 중

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APPLICATION FAILED TO START
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Description:

Web server failed to start. Port 8080 was already in use.

Action:

Identify and stop the process that's listening on port 8080 or configure this application to listen on another port.

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2. 해결방법

• 다른 포트번호로 변경해야 함
• 방법 1) src - main - resources - application.properties 에서 포트 번호 변경

 

• 방법2) src - main - resources - application.yml 에서 포트 번호 변경