Spring boot - Request method 'POST' not supported.

Question

please i have this error when trying to create a customer. Can some one help me? May be i am missing some thing. I have even try to change the @PostMapping to @RequestMapping till yet. Thks

My Controller code

`@PostMapping("CREATE_CUSTOMER_ENDPOINT") @ResponseStatus(value = HttpStatus.OK) @ApiResponses(value = { @ApiResponse(code = 201, message = "The Customer was Created", response = CustomerDto.class), @ApiResponse(code = 400, message = "Bad Request", response = ResponseError.class), @ApiResponse(code = 500, message = "Unexpected error") })

 public ResponseEntity createCustomer(final HttpServletRequest request, @RequestBody CustomerDto customerDto) { if (log.isDebugEnabled()){ log.debug("[CustomerResource] POST {} : Creating customer ", CREATE_CUSTOMER_ENDPOINT); } if(customerDto.getUidpk()!=null) { ResponseError error = new ResponseError(HttpStatus.BAD_REQUEST.getReasonPhrase(), "A customer Already exist with an Uidpk"); log.error("[CustomerResource] The customer Already exist ({}) with an Uidpk", customerDto.getUidpk()); return new ResponseEntity<>(error, null, HttpStatus.BAD_REQUEST); } CustomerDto result = customerService.createCustomer(customerDto); log.debug("[CustomerResource] Customer created ({})", result.getUidpk()); return new ResponseEntity<>(result, HeaderUtil.putLocationHeader(request.getRequestURL().toString() + "/" + result.getUidpk()), HttpStatus.CREATED); } `

My endpoints

private static final String CUSTOMER_SEARCH_USER_ID_ENDPOINT = "/customers/{userId:.+}"; private static final String CREATE_CUSTOMER_ENDPOINT= "/customer"; private static final String UPDATE_CUSTOMER_ENDPOINT= "/customer"; private static final String DELETE_CUSTOMER_ENDPOINT = CREATE_CUSTOMER_ENDPOINT + "/{uidpk}";

This is the response of Postman Postman sample

does it have to do with you annotation , @PostMapping("CREATE_CUSTOMER_ENDPOINT") , i think you want this --> @PostMapping(CREATE_CUSTOMER_ENDPOINT) — Ashish Shetkar
– Ashish Shetkar, Commented Jan 15, 2018 at 10:22
mistake sorry. i corrected it and i ha a new error in Postman : "error": "Internal Server Error", "error_description": [ "Content type 'text/plain;charset=UTF-8' not supported" ] } — solo
– solo, Commented Jan 15, 2018 at 10:28
add the headers in your request , and it will solve it , do validate your JSON value using any online validator — Ashish Shetkar
– Ashish Shetkar, Commented Jan 15, 2018 at 10:38

Maciej Walkowiak · Accepted Answer · 2018-01-15 10:34:38Z

2

When you send JSON payloads in HTTP request, you need to specify Content-Type HTTP header with value application/json.

answered Jan 15, 2018 at 10:34

Maciej Walkowiak

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2 Comments

Andy Brown Over a year ago

He should also be using the consumes and produces members of @PostMapping to that effect.

solo Over a year ago

My request is working well. But when i got into my createCustomer method as mention recently, it goes into this condition if(customerDto.getUidpk()!=null) and replies "A customer Already exist with an Uidpk". Am using the H2 DATABASE. My database is empty. Please i am really confused. Any Proposition Thk you

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