How to enable browser caching of static content(images, css, js) with Tomcat?

Question

How to enable browser caching of static content(images, css, js) with Tomcat? Preferable solution will be editingspring MVC config files or web.xml

Answer 1

If Spring 3.0 is being used, <mvc:resources> is one way to implement caching of static resources. This link has some documentation.

Answer 2

try (with changing the values)

<mvc:resources mapping="/static/**" location="/public-resources/" 
       cache-period="31556926"/>
<mvc:annotation-driven/>

You can also use an interceptor:

<mvc:interceptors>
   <mvc:interceptor>
    <mvc:mapping path="/static/*"/>
    <bean id="webContentInterceptor" 
         class="org.springframework.web.servlet.mvc.WebContentInterceptor">
        <property name="cacheSeconds" value="31556926"/>
        <property name="useExpiresHeader" value="true"/>
        <property name="useCacheControlHeader" value="true"/>
        <property name="useCacheControlNoStore" value="true"/>
    </bean>
   </mvc:interceptor>
</mvc:interceptors>

See the MVC docs

Answer 3

For those who use Java configuration, you can manage caching parameters using ResourceHandlerRegistry, there is example how do I set up different caching preferences for different content types:

@Configuration
@EnableWebMvc
// ...
public class WebConfiguration extends WebMvcConfigurerAdapter {

    // ...

    @Override
    public void addResourceHandlers(ResourceHandlerRegistry registry) {

        registry.addResourceHandler("/ui/css/**")
                .addResourceLocations("classpath:/WEB-INF/css/")
                .setCacheControl(CacheControl.maxAge(1, TimeUnit.DAYS));

        registry.addResourceHandler("/ui/js/**")
                .addResourceLocations("classpath:/WEB-INF/js/")
                .setCacheControl(CacheControl.maxAge(1, TimeUnit.DAYS));

        registry.addResourceHandler("/ui/**")
                .addResourceLocations("classpath:/WEB-INF/")
                .setCacheControl(CacheControl.noCache());
    }

    // ...
}