On Wed, 4 Mar 2026 15:55:55 GMT, Daniel Fuchs <[email protected]> wrote:
> The issue hasd been observed when testing with fastdebug builds. > > The test was not configuring the HTTP/3 request with HTTP_3_URI_ONLY, > although it uses an HTTP/3 only server. As a result, the client can attempt > to fallback to TCP after a reasonable (and short) timeout if the QUIC > handshake is not fast enough. However since the server is HTTP/3 only there's > no TCP server to fallback to. > > Configuring the HTTP/3 request with HTTP_3_URI_ONLY ensures that there's no > TCP fallback, and that the HTTP/3 connection attempt will make use of the > full default QUIC timeout. Before apply the proposed patch, test intermittent fails, failure probability about 1/100. After apply the proposed patch, test run 2k times and all passed. ------------- Marked as reviewed by syan (Committer). PR Review: https://git.openjdk.org/jdk/pull/30051#pullrequestreview-3894211452
