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Feedback/When response headers exceed a certain size, Hyper throws error

When response headers exceed a certain size, Hyper throws error

at032817-2 ·7 days ago
Pending ReleaseBug

When the response headers exceed a certain size, I am getting the following error:

Failed to send request: Client error: reqwest::Error { kind: Request, source: hyper_util::client::legacy::Error(SendRequest, hyper::Error(Http2, Error { kind: Reset(StreamId(1), CANCEL, Remote) })) }

Making the same request works fine in Postman and Bruno, so I think it is an issue related to Yaak.

The reason I think it is related to header size, is I copy pasted all the headers into a character counter, and with pageSize=60 header size 13900 characters, the request succeeds with no issue. However with pageSize=61, header size 14100+ characters (in Bruno), the Yaak request fails with the error. image

macOS2026.3.1

Comments (2)

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Gregory SchierPending Release

I’ve fixed this in main by increasing max header size to 1MB. Thanks for the report!

at032817-2 OP

Wow, that was fast. Thank you for fixing it so quickly!

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