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12150816f7
If for some reason the server sends an HTTP/1.1 response
starting with "HTTP/1.1 " (9 bytes), http2 transport interprets that as
a valid frame header for an expected payload of ~4MB, and fails with
non-descriptive messages like "unexpected EOF".
This could happen, for example, if ALPN is misconfigured on the server's
load balancer.
This change attempts to improve that feedback by noting in the error
messages whenever the frame header was exactly the "HTTP/1.1 " bytes.
Change-Id: I7bf9ed2ee7f299b939b9004386f5bfa30a4e9032
GitHub-Last-Rev: d6e410daa3
GitHub-Pull-Request: golang/net#224
Reviewed-on: https://go-review.googlesource.com/c/net/+/623155
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: David Chase <drchase@google.com>
Auto-Submit: Sean Liao <sean@liao.dev>
Reviewed-by: Damien Neil <dneil@google.com>
Reviewed-by: Sean Liao <sean@liao.dev>