XTLS/Xray-core · error · errors.Error

failed to read http request

Error message

failed to read http request

What it means

Error "failed to read http request" thrown in XTLS/Xray-core.

Source

Thrown at proxy/http/server.go:118

		inbound.CanSpliceCopy = 3
	}
	var reader *bufio.Reader
	if len(firstbyte) > 0 {
		readerWithoutFirstbyte := bufio.NewReaderSize(readerOnly{conn}, buf.Size)
		multiReader := io.MultiReader(bytes.NewReader(firstbyte), readerWithoutFirstbyte)
		reader = bufio.NewReaderSize(multiReader, buf.Size)
	} else {
		reader = bufio.NewReaderSize(readerOnly{conn}, buf.Size)
	}

Start:
	if err := conn.SetReadDeadline(time.Now().Add(s.policy().Timeouts.Handshake)); err != nil {
		errors.LogInfoInner(ctx, err, "failed to set read deadline")
	}

	request, err := http.ReadRequest(reader)
	if err != nil {
		trace := errors.New("failed to read http request").Base(err)
		if errors.Cause(err) != io.EOF && !isTimeout(errors.Cause(err)) {
			trace.AtWarning()
		}
		return trace
	}

	if len(s.config.Accounts) > 0 {
		user, pass, ok := parseBasicAuth(request.Header.Get("Proxy-Authorization"))
		if !ok || !s.config.HasAccount(user, pass) {
			return common.Error2(conn.Write([]byte("HTTP/1.1 407 Proxy Authentication Required\r\nProxy-Authenticate: Basic realm=\"proxy\"\r\n\r\n")))
		}
		if inbound != nil {
			inbound.User.Email = user
		}
	}

	errors.LogInfo(ctx, "request to Method [", request.Method, "] Host [", request.Host, "] with URL [", request.URL, "]")
	if err := conn.SetReadDeadline(time.Time{}); err != nil {

View on GitHub (pinned to 7d214f8b09)

When it happens

Trigger: Thrown at proxy/http/server.go:118 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of XTLS/Xray-core@7d214f8b09 (2026-08-15). Data as JSON: /api/errors/4a864cbc951cb726. Report an issue: GitHub.