XTLS/Xray-core · error

failed to read address and port

Error message

failed to read address and port

What it means

Error "failed to read address and port" thrown in XTLS/Xray-core.

Source

Thrown at proxy/trojan/protocol.go:184

		return errors.New("failed to read user hash").Base(err)
	}

	if _, err := io.ReadFull(c.Reader, crlf[:]); err != nil {
		return errors.New("failed to read crlf").Base(err)
	}

	if _, err := io.ReadFull(c.Reader, command[:]); err != nil {
		return errors.New("failed to read command").Base(err)
	}

	network := net.Network_TCP
	if command[0] == commandUDP {
		network = net.Network_UDP
	}

	addr, port, err := addrParser.ReadAddressPort(nil, c.Reader)
	if err != nil {
		return errors.New("failed to read address and port").Base(err)
	}
	c.Target = net.Destination{Network: network, Address: addr, Port: port}

	if _, err := io.ReadFull(c.Reader, crlf[:]); err != nil {
		return errors.New("failed to read crlf").Base(err)
	}

	c.headerParsed = true
	return nil
}

// Read implements io.Reader
func (c *ConnReader) Read(p []byte) (int, error) {
	if !c.headerParsed {
		if err := c.ParseHeader(); err != nil {
			return 0, err
		}
	}

View on GitHub (pinned to 7d214f8b09)

When it happens

Trigger: Thrown at proxy/trojan/protocol.go:184 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/cb6b8fc1c90d5786. Report an issue: GitHub.