Proper way to response nothing to ajax request on Spring

Question

I'm sending AJAX request to make simple CRUD happens on my project, asynchronously

I don't need any response from server, I just need to insert, update or delete data on database.

I also learned there must be a response to a request, so I tried some ways to fake it, but all of them didn't feel right.

return meaningless value

Just return any value like boolean or empty String, and not using it

@PostMapping("/whatever") public @ResponseBody boolean something() { doSomething(); return true; }

return something, but not using it

Almost same as 1, since I'm not using it

@PostMapping("/whatever") public @ResponseBody MyObject something() { doSomething(); return new MyObject(); }

doesn't care about response, just get errors and don't mind it

Use catch or always with ajax request, a lot of errors on console, it really doesn't feel right

@PostMapping("/whatever") public void something() { doSomething(); }

@PostMapping("/whatever") public String something() { doSomething(); return "/page/url"; }

All of them works as I want, but it makes me thinking there could be a better way to write a code when I don't need any response.

Any advice on this?

Usually when you do an insert you need some sort of id generated and returned — charlietfl
– charlietfl, Commented Jul 10, 2019 at 15:03
There will be a response, because that's how HTTP works. What you put in that response is up to you and can be a simple HTTP 200 OK (however you provide that in Spring) — fdomn-m
– fdomn-m, Commented Jul 10, 2019 at 15:05

ssc-hrep3 · Accepted Answer · 2019-07-10 15:50:54Z

Add the @ResponseStatus(HttpStatus.NO_CONTENT) annotation to the controller route and then you do not need to return anything. Your prototype will be "public void doSomething()".

We use this for delete calls.

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