On Thu, 27 May 2021, Shikha Sharma via curl-library wrote:
I am facing an issue where curls responds with error "'Error in the HTTP2
framing layer' (16)" to the application.
Curl version: libcurl-7.74.0
Scenario: Sending multiple outgoing HTTP2 requests to an external HTTP
server.
I'm afraid this descripion lacks details to allow us to draw many conclusions.
You also didn't mention if you use h2 over TLS or not and you didn't state
which nghttp2 version you're using.
So it looks as if its a race condition where the client starts processing
the new request and creates a stream on the existing connection before the
goaway frame from the previous connection is processed. The request is
ultimately dropped and application using libcurl receives the framing error.
If that's true then it sounds like a bug to me. We've fixed several h2 related
bugs since 7.74.0 so I'd recommand you start out by trying the latest curl
version and see if anything gets better.
--
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