Unverified50% confidenceFactExact time
In an SSE streaming response, once the response headers have been sent with a 200 status code, subsequent errors can only be conveyed as in-stream events, and the HTTP status code can no longer reflect the error.
1
Sources
50%
Confidence
Long-term
Relevance
10/19/2026
First Seen
Sources
Related Entities
Related Claims
VerifiedThe HTTP 200 status code only indicates that the server successfully received and processed the request; it does not represent correct execution of business logic, as a large number of business errors can be wrapped inside a 200 response body.80% similarUnverifiedHTTP status code 500 (Internal Server Error) indicates that an unexpected error occurred on the server side; the specific cause needs to be identified by combining server logs and code logic.68% similarUnverifiedHTTP状态码遵循RFC 7231规范，按首位数字分为5个大类：1xx信息性响应、2xx成功、3xx重定向、4xx客户端错误、5xx服务器错误68% similarUnverifiedMany systems, even when returning 200, may carry a business error code in the response body (such as the errcode field of the WeChat and Alipay open platforms).64% similarVerifiedIn HTTP protocol status codes, 2xx indicates success, 4xx indicates client errors, and 5xx indicates server errors.63% similar
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