記錄一次踩坑的解決。報錯 如下

Description:An attempt was made to call a method that does not exist. The attempt was made from the following location:org.springframework.web.servlet.resource.ResourceHttpRequestHandler.afterPropertiesSet(ResourceHttpRequestHandler.java:378)The following method did not exist:org.springframework.web.accept.ContentNegotiationManager.getMediaTypeMappings()Ljava/util/Map;The method's class, org.springframework.web.accept.ContentNegotiationManager, is available from the following locations:jar:file:/C:/Users/Shinelon/.m2/repository/org/springframework/spring-web/5.2.2.RELEASE/spring-web-5.2.2.RELEASE.jar!/org/springframework/web/accept/ContentNegotiationManager.classIt was loaded from the following location:file:/C:/Users/Shinelon/.m2/repository/org/springframework/spring-web/5.2.2.RELEASE/spring-web-5.2.2.RELEASE.jarAction:Correct the classpath of your application so that it contains a single, compatible version of org.springframework.web.accept.ContentNegotiati

添加spring-web

<dependency><groupId>org.springframework</groupId><artifactId>spring-web</artifactId><version>5.2.4.RELEASE</version> </dependency>

注意如果存在spring-webmvc，那么保持版本號一致

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總結

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