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