XTLS/Xray-core · error

failed to connect to server

Error message

failed to connect to server

What it means

Error "failed to connect to server" thrown in XTLS/Xray-core.

Source

Thrown at proxy/shadowsocks_2022/outbound.go:83

	}

	outbounds := session.OutboundsFromContext(ctx)
	ob := outbounds[len(outbounds)-1]
	if !ob.Target.IsValid() {
		return errors.New("target not specified")
	}
	ob.Name = "shadowsocks-2022"
	ob.CanSpliceCopy = 3
	destination := ob.Target
	network := destination.Network

	errors.LogInfo(ctx, "tunneling request to ", destination, " via ", o.server.NetAddr())

	serverDestination := o.server
	serverDestination.Network = network
	connection, err := dialer.Dial(ctx, serverDestination)
	if err != nil {
		return errors.New("failed to connect to server").Base(err)
	}

	if session.TimeoutOnlyFromContext(ctx) {
		ctx, _ = context.WithCancel(context.Background())
	}

	if network == net.Network_TCP {
		serverConn := o.method.DialEarlyConn(connection, singbridge.ToSocksaddr(destination))
		var handshake bool
		if timeoutReader, isTimeoutReader := link.Reader.(buf.TimeoutReader); isTimeoutReader {
			mb, err := timeoutReader.ReadMultiBufferTimeout(time.Millisecond * 100)
			if err != nil && err != buf.ErrNotTimeoutReader && err != buf.ErrReadTimeout {
				return errors.New("read payload").Base(err)
			}
			payload := B.New()
			for {
				payload.Reset()
				nb, n := buf.SplitBytes(mb, payload.FreeBytes())

View on GitHub (pinned to 7d214f8b09)

When it happens

Trigger: Thrown at proxy/shadowsocks_2022/outbound.go:83 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/e2b85c8b8df746f5. Report an issue: GitHub.