MvcConfig.java

package io.pivotal.web.config;

import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Import;
import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
import org.springframework.web.servlet.config.annotation.ViewControllerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter;

@Configuration
@Import({ThymeleafConfig.class})
public class MvcConfig extends WebMvcConfigurerAdapter {
	@Override
    public void addResourceHandlers(ResourceHandlerRegistry registry) {
		if (!registry.hasMappingForPattern("/webjars/**")) {
	        registry.addResourceHandler("/webjars/**").addResourceLocations(
	                "classpath:/META-INF/resources/webjars/");
	    }
    }
}