Spring Boot自动配置应用程序启动失败

Question

“Spring-Boot-AutoConfigure”，版本:'2.4.1'

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APPLICATION FAILED TO START
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Description:
An attempt was made to call a method that does not exist. The attempt was made from the following location:
    org.springframework.boot.autoconfigure.web.servlet.WebMvcAutoConfiguration$EnableWebMvcConfiguration.lambda$addResourceHandlers$0(W
ebMvcAutoConfiguration.java:411)
The following method did not exist:
    'org.springframework.web.servlet.config.annotation.ResourceHandlerRegistration org.springframework.web.servlet.config.annotation.Re
sourceHandlerRegistration.addResourceLocations(org.springframework.core.io.Resource[])'
The method's class, org.springframework.web.servlet.config.annotation.ResourceHandlerRegistration, is available from the following loca
tions:
    jar:file:/opt/eureka/app.jar!/BOOT-INF/lib/spring-webmvc-5.3.2.jar!/org/springframework/web/servlet/config/annotation/ResourceHandl
erRegistration.class
The class hierarchy was loaded from the following locations:
    org.springframework.web.servlet.config.annotation.ResourceHandlerRegistration: jar:file:/opt/eureka/app.jar!/BOOT-INF/lib/spring-we
bmvc-5.3.2.jar!/
Action:
Correct the classpath of your application so that it contains a single, compatible version of org.springframework.web.servlet.config.an
notation.ResourceHandlerRegistration

Answer 1

从您的日志中，我看到了两个可能的问题之一：

1. 在某个地方将Spring-WebMVC-5.3.2重写为更高或更低的版本
2. 初学者代码中的问题（如果它配置了WebMvc)

尝试MVN dependency:tree或gradle dependencies来探索依赖项。附上了你的初学者代码。