reverseproxy: make error chan bigger when reverse proxying websocket (#7419)

WeidiDeng committed Jan 6, 2026 at 17:55 UTC 80f2ae92cdb504164bac648501e07e0e7c84770e

1 file changed +4 -1

modules/caddyhttp/reverseproxy/streaming.go

+4 -1

@@ -214,7 +214,10 @@ func (h *Handler) handleUpgradeResponse(logger *zap.Logger, wg *sync.WaitGroup,

214 timeoutc = timer.C

215 }

216

217 - errc := make(chan error, 1)

217 + // when a stream timeout is encountered, no error will be read from errc

218 + // a buffer size of 2 will allow both the read and write goroutines to send the error and exit

219 + // see: https://github.com/caddyserver/caddy/issues/7418

220 + errc := make(chan error, 2)

221 wg.Add(2)

222 go spc.copyToBackend(errc)

223 go spc.copyFromBackend(errc)