go network_error ai_generated true

Get "http://example.com": context deadline exceeded (Client.Timeout exceeded while awaiting headers)

ID: go/http-client-timeout-while-reading

Also available as: JSON · Markdown · 中文
80%Fix Rate
87%Confidence
0Evidence
2024-03-01First Seen

Version Compatibility

VersionStatusIntroducedDeprecatedNotes
1.21 active — — —

Root Cause

The HTTP client's timeout expired while waiting for the server's response headers, possibly due to slow server or network congestion.

generic

中文

HTTP客户端在等待服务器响应头时超时，可能由服务器缓慢或网络拥塞导致。

Workarounds

  1. 90% success 
    Use context.WithTimeout and set a reasonable timeout based on SLA
  2. 80% success 
    Implement circuit breaker to stop hitting slow endpoints

Dead Ends

Common approaches that don't work:

  1. 40% fail

    May hide underlying issues and cause user frustration

  2. 90% fail

    Requests will fail consistently