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The 415 (Unsupported Media Type) status code indicates that the origin server is refusing to service the request because the payload is in a format not supported by this method on the target resource. The format problem might be due to the request's indicated Content-Type or Content-Encoding, or as a result of inspecting the data directly. DOC
Apr 2, 2019 · 16. Web API expects client to specify Content-Type header, but you cannot specify this header for HttpClient while making GET request because it doesn't have a body. Even though you specified application/json in StringContent you passed the object incorrectly into request. Consider using POST to fix you problem.
Sep 7, 2018 · Another possible cause is using requests.post when you should be using requests.get or vice versa. I doubt that this is a common problem, but in my case a server that was happy to accept an HTTP GET for a search rejects it with a 415 when HTTP POST is used instead. (Yet another site required that a search be requested using HTTP POST.
Jun 14, 2017 · In my case 415 Unsupported Media Types was received since I used new FormData() and sent it with axios.post(...) but did not set headers: {content-type: 'multipart/form-data'}. I also had to do the same on the server side:
Dec 6, 2013 · 406 is used when the client requests a response in an unsupported content type (in your case, anything other than JSON) using the Accept header. 415 on the other hand is used when the client POSTs or PUTs data in an unsupported content type. In a nutshell: use 406 if can't output in the expected format and use 415 if you don't support the input ...
Aug 2, 2012 · I found this thread as a result of a problem I encountered while I was using Postman to send test data to my RESTEasy server, where- after a significant code change- I was getting nothing but 415 Unsupported Media Type errors. Long story short, I tore everything out, eventually I tried to run the trivial file upload example I knew worked; it ...
Jan 8, 2016 · @CSJ there are some in the System.Net.Mime namespace (e.g. System.Net.Mime.MediaTypeNames.Application.pdf gives "application/pdf") but the list isn't complete and, for our specific purposes here, does not have one for "application/json" nor is part of the core/standard library.
Jan 4, 2019 · HTTP 415 happens when from front end data sent with ambiguous or wrong content type to backend.
Sep 20, 2016 · 415 Unsupported Media Type. The server is refusing to service the request because the entity of the request is in a format not supported by the requested resource for the requested method. This can happen with an invalid Content-Type HTTP header. The correct MIME media type for JSON is application/json. And as you found out your Ajax request ...
@Intan I made another one update to clarify the fetch request url param. After you set up proxy for dev server (if you really did it), you need to make api requests from the same host:post as the dev server (3030).