Spring MVC returning invalid Http status code
Why is my web app returning 200 when an exception is thrown? Even if I get the correct response body for the error.
A sample response would be:
Status Code = 200
Body: { "error": "User does not exist" }
My code looks like this:
@RequestMapping(method = RequestMethod.PUT, value = "/{userId}")
@ResponseStatus(HttpStatus.OK)
public void updateUser(@PathVariable("userId") String userId,
@RequestBody(required = false) Map<String, String> fields)
throws UserNotFoundException {
// code that leads to the exception being thrown
}
@ExceptionHandler(UserNotFoundException.class)
@ResponseBody
@ResponseStatus(HttpStatus.NOT_FOUND)
public ErrorDto userNotFound() {
return new ErrorDto("User does not exist");
}
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2 answers
So, the problem was not with the controller, but mine SimpleUrlAuthenticationSuccessHandler
. When I was sending requests to my controller, I used RequestDispatcher.include()
instead RequestDispatcher.dispatcher()
because I thought it was a solution to a previous problem I ran into.
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You should do this by adding HttpServletResponse
as an argument to the method and setting the response code there:
@ExceptionHandler(UserNotFoundException.class)
@ResponseBody
public ErrorDto userNotFound(HttpServletResponse response) {
response.setStatus(HttpServletResponse.SC_NOT_FOUND);
return new ErrorDto("User does not exist");
}
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