?xml version1.0 encodingUTF-8? project xmlnshttp://maven.apache.org/POM/4.0.0 xmlns:xsihttp://www.w3.org/2001/XMLSchema-instance xsi:schemaLocationhttp://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd modelVersion4.0.0/modelVersion parent groupIdorg.springframework.boot/groupId artifactIdspring-boot-starter-parent/artifactId version4.0.3/version relativePath/ !-- lookup parent from repository -- /parent groupIdcom.example/groupId artifactIdtryjrebel/artifactId version0.0.1-SNAPSHOT/version nametryjrebel/name descriptiontryjrebel/description url/ licenses license/ /licenses developers developer/ /developers scm connection/ developerConnection/ tag/ url/ /scm properties java.version17/java.version /properties dependencies dependency groupIdorg.springframework.boot/groupId artifactIdspring-boot-starter/artifactId /dependency dependency groupIdorg.springframework.boot/groupId artifactIdspring-boot-starter-websocket/artifactId /dependency dependency groupIdorg.springframework.boot/groupId artifactIdspring-boot-starter-test/artifactId scopetest/scope /dependency !-- Spring Boot DevTools 开发工具 -- dependency groupIdorg.springframework.boot/groupId artifactIdspring-boot-devtools/artifactId version3.2.5/version /dependency /dependencies build plugins plugin groupIdorg.springframework.boot/groupId artifactIdspring-boot-maven-plugin/artifactId /plugin /plugins /build /projectapplication.yml# application.yml spring: devtools: restart: additional-paths: /src/main/resources