Oct 30, 2013 · A 400 means that the request was malformed. In other words, the data stream sent by the client to the server didn't follow the rules. In the case of a REST API with a JSON payload, 400's …

Dec 21, 2014 · 400 Bad Request: The SSL certificate error Asked 10 years, 11 months ago Modified 1 year, 1 month ago Viewed 54k times

I'm using Spring MVC for a simple JSON API, with a @ResponseBody based approach like the following. (I already have a service layer producing JSON directly.) @RequestMapping(value = …

Mar 6, 2023 · Apart from what is in the accepted answer, there are many other cases where a 400 could happen because of validation issues. For example, I got 400 (from the chat completion API) and the …

Mar 30, 2018 · I use socket.io in my node.js app that's running on express. Everything words fine on the local version (localhost) however when I switch to my production server (which is served via https …

Situations of 400 over 422: Remember, the response code 422 is an extended HTTP (WebDAV) status code. There are still some HTTP clients / front-end libraries that aren't prepared to handle 422. For …

Dec 20, 2024 · Usually 400 comes with an additional message, because Bad Request is a pretty generic HTTP status code. In my case, trying to reproduce the example led to the following error:

Dec 30, 2016 · WebSocket connection failed: Error during WebSocket handshake: Unexpected response code: 400 Asked 8 years, 11 months ago Modified 2 months ago Viewed 530k times

Dec 12, 2023 · I am using IIS to reverse proxy requests to a Spree Commerce backend server running on the same domain (port 4000) but is on a different machine. My rewrite rule for proxying looks like …

I'm trying to access an API using Postman to get a response using basic authentication, but when I submit the data, it gives me the dreaded 400 error, which apparently indicates that some headers a...