spring-boot with restful api get 406

spring-boot with restful api get 406, follow these steps to fix it:

1. Add this to pom.xml

   		<dependency>
   			<groupId>com.fasterxml.jackson.core</groupId>
   			<artifactId>jackson-databind</artifactId>
   			<version>2.7.3</version>
   		</dependency>
   

2. Create WebConfig.java in your project

   import org.springframework.context.annotation.Configuration;
   import org.springframework.http.MediaType;
   import org.springframework.web.servlet.config.annotation.ContentNegotiationConfigurer;
   import org.springframework.web.servlet.config.annotation.EnableWebMvc;
   import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter;
   
   @EnableWebMvc
   @Configuration
   public class WebConfig extends WebMvcConfigurerAdapter {
   
   	@Override
   	public void configureContentNegotiation(ContentNegotiationConfigurer configurer) {
   		configurer.favorPathExtension(false).favorParameter(true).parameterName("mediaType").ignoreAcceptHeader(true).useJaf(false).defaultContentType(MediaType.APPLICATION_JSON)
   				.mediaType("xml", MediaType.APPLICATION_XML).mediaType("json", MediaType.APPLICATION_JSON);
   	}
   
   
   }