error report

1.[Eclipse] Error : The selected JRE does not support the current compiler compliance level of 11

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2.[Spring Boot] 오류 : APPLICATION FAILED TO START

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3.[vscode] error : the supplied phased action failed with an exception

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5.[vscode] error : [ERROR] Failed to execute goal on project coffee: Could not resolve dependencies for project

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6.[vscode] error : [ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.11.0:compile

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7.[vscode] jar/war파일 css적용 안되는 문제

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8.[vscode] error 파일 업로드 시 오류

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9.[vscode] maven clean 오류

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10.[vscode] 터미널 vue 실행 오류

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11.[Spring Boot] error : Ajax controller List

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