python network_error ai_generated true

httpx.ReadTimeout: The read operation timed out after 30 seconds while reading response from 'https://api.example.com/v1/large-data'

ID: python/httpx-readtimeout-large-response

Also available as: JSON · Markdown · 中文
80%Fix Rate
88%Confidence
0Evidence
2024-06-18First Seen

Version Compatibility

VersionStatusIntroducedDeprecatedNotes
3.x active — — —

Root Cause

The server is taking too long to send the response data, possibly due to large payload or slow network.

generic

中文

服务器发送响应数据时间过长，可能是由于负载过大或网络缓慢。

Workarounds

  1. 85% success Increase the read timeout value 
    client = httpx.Client(timeout=httpx.Timeout(60.0, read=120.0))
response = client.get('https://api.example.com/v1/large-data')
  2. 90% success Use streaming to process data incrementally 
    with httpx.stream('GET', 'https://api.example.com/v1/large-data') as response:
    for chunk in response.iter_bytes():
        process(chunk)

Dead Ends

Common approaches that don't work:

  1. Reducing the timeout value to force faster failures 80% fail

    A shorter timeout does not help retrieve the data; it only fails faster.

  2. Using stream=False (default) without adjustment 70% fail

    The default behavior still waits for the entire response; streaming is needed.