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idea版本： 2021.3pom.xml 导入依赖<dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-devtools</artifactId> <optional>true</optional></dependency>配置idea编辑器Build proje.

学习 Spring Quickstart Guide 时，启动 mvnw spring-boot:run 后报错https://spring.io/quickstart[ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.8.1:compile (default-compile) on project demo: Compilation failure: Compilation failure

JDK 下载地址https://www.oracle.com/technetwork/java/javase/downloads/index-jsp-138363.html找到 Windows x64 Installer 或者 Windows x64 的JDK下载例如:Product / File DescriptionFile SizeDownloadWindows x64 Installer152.05 MBjdk-11.0.11_windows-x64_bin.exe