The type WebMvcConfigurerAdapter is deprecated

Question

I just migrate to spring mvc version 5 0 1 RELEASE but suddenly in eclipse STS WebMvcConfigurerAdapter is marked as deprecated  public class MvcConfig extends WebMvcConfigurerAdapter      Override     public void addResourceHandlers ResourceHandlerRegistry registry            registry addResourceHandler   resources      addResourceLocations   resources                to serve static  html pages            registry addResourceHandler   static      addResourceLocations   resources static                        How can i remove this

User · Accepted Answer

Since Spring 5 you just need to implement the interface WebMvcConfigurer:

public class MvcConfig implements WebMvcConfigurer {

This is because Java 8 introduced default methods on interfaces which cover the functionality of the WebMvcConfigurerAdapter class

See here:

https://docs.spring.io/spring/docs/current/javadoc-api/org/springframework/web/servlet/config/annotation/WebMvcConfigurerAdapter.html

User · Answer

Use org springframework web servlet config annotation WebMvcConfigurer  With Spring Boot 2 1 4 RELEASE  Spring Framework 5 1 6 RELEASE   do like this  package vn bkit   import org springframework context annotation Bean  import org springframework context annotation Configuration  import org springframework web servlet ViewResolver  import org springframework web servlet config annotation DefaultServletHandlerConfigurer  import org springframework web servlet config annotation EnableWebMvc  import org springframework web servlet config annotation WebMvcConfigurer  import org springframework web servlet config annotation WebMvcConfigurerAdapter     Deprecated  import org springframework web servlet view InternalResourceViewResolver    Configuration  EnableWebMvc public class MvcConfiguration implements WebMvcConfigurer         Bean     public ViewResolver getViewResolver             InternalResourceViewResolver resolver   new InternalResourceViewResolver            resolver setPrefix   WEB-INF             resolver setSuffix   html            return resolver              Override     public void configureDefaultServletHandling DefaultServletHandlerConfigurer configurer            configurer enable

User · Answer

In Spring every request will go through the DispatcherServlet  To avoid Static file request through DispatcherServlet Front contoller  we configure MVC Static content   Spring 3 1  introduced the ResourceHandlerRegistry to configure ResourceHttpRequestHandlers for serving static resources from the classpath  the WAR  or the file system  We can configure the ResourceHandlerRegistry programmatically inside our web context configuration class         we have added the  js    pattern to the ResourceHandler  lets include the foo js resource located in the webapp js  directory   we have added the  resources static    pattern to the ResourceHandler  lets include the foo html resource located in the webapp resources  directory       Configuration  EnableWebMvc public class StaticResourceConfiguration implements WebMvcConfigurer         Override     public void addResourceHandlers ResourceHandlerRegistry registry            System out println  WebMvcConfigurer - addResourceHandlers   function get loaded               registry addResourceHandler   resources static                       addResourceLocations   resources              registry              addResourceHandler   js                   addResourceLocations   js                 setCachePeriod 3600               resourceChain true               addResolver new GzipResourceResolver                 addResolver new PathResourceResolver               XML Configuration   lt mvc annotation-driven   gt     lt mvc resources mapping   staticFiles path     location   staticFilesFolder js                    cache-period  60   gt    Spring Boot MVC Static Content if the file is located in the WAR   s webapp resources folder   spring mvc static-path-pattern  resources static

User · Answer

I have been working on Swagger equivalent documentation library called Springfox nowadays and I found that in the Spring 5 0 8  running at present   interface WebMvcConfigurer has been implemented by class WebMvcConfigurationSupport class which we can directly extend    import org springframework web servlet config annotation WebMvcConfigurationSupport   public class WebConfig extends WebMvcConfigurationSupport       And this is how I have used it for setting my resource handling mechanism as follows -    Override public void addResourceHandlers ResourceHandlerRegistry registry        registry addResourceHandler  swagger-ui html                addResourceLocations  classpath  META-INF resources          registry addResourceHandler   webjars                   addResourceLocations  classpath  META-INF resources webjars

[java] The type WebMvcConfigurerAdapter is deprecated

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