Ignore Accept header in spring mvc

I have a controller that serves files (images, pdfs, etc,.):

@Controller
public class FileController {

    @ResponseBody
    @RequestMapping("/{filename}")
    public Object download(@PathVariable String filename) throws Exception {
        returns MyFile.findFile(filename);
    }

}

If I request a file with the following Accept header I get a 406:

Request     
URL: http://localhost:8080/files/thmb_AA039258_204255d0.png
Request Method:GET
Status Code:406 Not Acceptable
Request Headers
Accept:*/*

If I request the same file with the following Accept header I get a 200:

URL: http://localhost:8080/files/thmb_AA039258_204255d0.png
Request Method: GET 
Status Code:200 OK
Request Headers
Accept: application/xml,application/xhtml+xml,text/html;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5

This is the only view resolver in my spring-mvc context:

<bean class=开发者_Go百科"org.springframework.web.servlet.view.UrlBasedViewResolver" id="tilesViewResolver">
   <property name="viewClass" value="org.springframework.web.servlet.view.tiles2.TilesView"/>
</bean>

Is there anyway to configure spring mvc to ignore the Accept header? I've seen example of doing this with ContentNegotiatingViewResolver, but only for handling xml and json.

So this is the code I ended up with to get it working:

@Controller
public class FileController {

    @ResponseBody
    @RequestMapping("/{filename}")
    public void download(@PathVariable String filename, ServletResponse response) throws Exception {
        MyFile file = MyFile.find(filename);
        response.setContentType(file.getContentType());
        response.getOutputStream().write(file.getBytes());

    }


}

I used this to lock to the JSON response type:

@Configuration
@EnableWebMvc
public class ApplicationConfiguration extends WebMvcConfigurerAdapter {

    public void configureContentNegotiation(ContentNegotiationConfigurer configurer) {

        configurer.favorPathExtension(false);
        configurer.ignoreAcceptHeader(true);
        configurer.defaultContentType(MediaType.APPLICATION_JSON);

    }

}

favorPathExtension(false) is needed because Spring by default (at least in 4.1.5) favors path-based content negotiation (i.e. if the URL ends with ".xml", it will try to return XML, etc.).

When you use ResponseBody annotation, I think that is part of the deal that it looks at the Accept header and tries to do some mapping or whatever. There are plenty of other ways to send a response though if you can't figure out how to do it with that annotation.