security and rest work

spring-security-custom/src/main/java/org/baeldung/spring/WebConfig.java

@@ -1,10 +1,16 @@
 package org.baeldung.spring;
 
+import java.util.List;
+
 import org.springframework.context.annotation.ComponentScan;
 import org.springframework.context.annotation.Configuration;
+import org.springframework.http.converter.HttpMessageConverter;
+import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
+import org.springframework.web.servlet.config.annotation.EnableWebMvc;
 import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter;
 
 @Configuration
+@EnableWebMvc
 @ComponentScan("org.baeldung.web")
 public class WebConfig extends WebMvcConfigurerAdapter {
 
@@ -12,6 +18,14 @@ public class WebConfig extends WebMvcConfigurerAdapter {
         super();
     }
 
-    // API
+    // beans
+
+    @Override
+    public void configureMessageConverters(final List<HttpMessageConverter<?>> converters) {
+        super.configureMessageConverters(converters);
+        converters.add(new MappingJackson2HttpMessageConverter());
+    }
+
+    //
 
 }