How to serve static html content page in spring-boot

Question

I'm starting an embedded tomcat via spring-boot and want to serve a static index.html page as part of a running application.

But the following does not work:

@SpringBootApplication public class HMyApplication { public static void main(String[] args) { SpringApplication.run(MyApplication.class, args); } } @RestController public class HomeContoller { @RequestMapping("/") public String index() { return "index"; } } src/main/resources/static/index.html

Result: when I call localhost:8080, I just see the word "index", but not my html page. Why?

That's because @RestController is a meta-annotation for @Controller and ResponseBody, meaning it writes "index" to the response input stream. You should use @Controller instead so that "index" will be resolved as a view name. — Ori Dar
– Ori Dar, Commented Aug 7, 2015 at 11:20
Omg you're right, absolutely. I probably was confused as developing a @RestController side by side. Anyways I'm now getting the following exception using @Controller: javax.servlet.ServletException: Could not resolve view with name 'index' in servlet with name 'dispatcherServlet'. It neither works returning index.html instead. — membersound
– membersound, Commented Aug 7, 2015 at 11:26

membersound · Accepted Answer · 2015-08-07 11:46:27Z

My fault: I had an additional class with @EnableWebMvc annotation. This somehow messed up the spring-boot autoconfiguration. I removed it and now it works returning index.html.

Alexandru Dumitrescu · Accepted Answer · 2017-05-08 16:16:14Z

11

For me this worked, i am sure there is a better way ( like without .html ).

@RequestMapping("/") public String index() { return "index.html"; }

answered May 8, 2017 at 16:16

Alexandru Dumitrescu

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3 Comments

Lova Chittumuri Over a year ago

if your use the JSP page (index.jsp) Then you can use return "index".

KayKay Over a year ago

This works, however if I change the Controller to a specific mapping it says 404. For example, Controller mapping: @Controller @RequestMapping("/user)" and the Method mapping: @RequestMapping("/{id}"), then I get a 404 error. It only works for the request mapping "/".

Alexandru Dumitrescu Over a year ago

If you need json data as a response you should use the mapping in a @RestController class. If you need a view then it get's complicated a bit. What do you want to do? And usually if you put the static resources under a resources/static folder structure it works automatically because of spring boot. Also if you use /{id} you should have in the method params a @PathVariable("id") so it works, not sure if you left that out on purpose.

ASR · Accepted Answer · 2019-08-04 07:38:25Z

You can use ModelAndView in order to serve static HTML content in spring boot.

@RequestMapping("/") public ModelAndView home() { ModelAndView modelAndView = new ModelAndView(); modelAndView.setViewName("index"); return modelAndView; }

application.properties:-

spring.mvc.view.suffix = .html

HTML File : - src/main/resources/static/index.html

GvSharma · Accepted Answer · 2019-12-24 08:37:14Z

0

Thats because of @RestController annotation, just removing this annotation works for me.

answered Dec 24, 2019 at 8:37

GvSharma

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