tornadoweb / tornadoweb/tornado

request_timeout does not stop HTTP 599: Timeout

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httpclient
Dominant language
Python
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Description

I am getting quite a few tornado.httpclient.HTTPError: HTTP 599: Timeout errors.

I read https://github.com/tornadoweb/tornado/issues/1400 and I increased request_timeout for all my HTTPRequests to 2400.00 (40 minutes) then I rerun the code and I am 100% positive that I got not as many but still a few tornado.httpclient.HTTPError: HTTP 599: Timeout errors even thought my code finished running after 10 minutes.

I wonder why it is so and if there is something else I could do to fix it?

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by reproducing the HTTP 599 timeout with request_timeout set to 2400 seconds and compare the observed timeout with the program's completion time. Read the HTTP client timeout handling and the discussion linked from issue #1400. Done means identifying the timeout source and documenting or correcting the behavior so the configured timeout is respected.

Written by the indexing model from the issue text.

Assessment

Tech stack
python
Domain
networking
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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