go resource_error ai_generated true

http: request body too large

ID: go/http-request-body-too-large

Also available as: JSON · Markdown · 中文
80%Fix Rate
90%Confidence
0Evidence
2024-01-10First Seen

Version Compatibility

VersionStatusIntroducedDeprecatedNotes
1.19 active — — —
1.20 active — — —

Root Cause

The incoming HTTP request body exceeds the server's maximum allowed size, often due to missing MaxBytesReader or server configuration.

generic

中文

传入的HTTP请求体超过服务器允许的最大大小，通常是由于缺少MaxBytesReader或服务器配置所致。

Workarounds

  1. 95% success 
    r.Body = http.MaxBytesReader(w, r.Body, 10<<20) // 10 MB limit
  2. 80% success 
    if r.ContentLength > maxSize {
    http.Error(w, "Request body too large", http.StatusRequestEntityTooLarge)
    return
}

Dead Ends

Common approaches that don't work:

  1. 90% fail

    ReadBufferSize is not related to body size limits and will not prevent the error.

  2. 50% fail

    Simply increasing the limit may allow denial-of-service attacks.