XTLS/Xray-core · error

already initialized

Error message

already initialized

What it means

Error "already initialized" thrown in XTLS/Xray-core.

Source

Thrown at proxy/vless/encryption/client.go:36

type ClientInstance struct {
	NfsPKeys      []any
	NfsPKeysBytes [][]byte
	Hash32s       [][32]byte
	RelaysLength  int
	XorMode       uint32
	Seconds       uint32
	PaddingLens   [][3]int
	PaddingGaps   [][3]int

	RWLock sync.RWMutex
	Expire time.Time
	PfsKey []byte
	Ticket []byte
}

func (i *ClientInstance) Init(nfsPKeysBytes [][]byte, xorMode, seconds uint32, padding string) (err error) {
	if i.NfsPKeys != nil {
		return errors.New("already initialized")
	}
	l := len(nfsPKeysBytes)
	if l == 0 {
		return errors.New("empty nfsPKeysBytes")
	}
	i.NfsPKeys = make([]any, l)
	i.NfsPKeysBytes = nfsPKeysBytes
	i.Hash32s = make([][32]byte, l)
	for j, k := range nfsPKeysBytes {
		if len(k) == 32 {
			if i.NfsPKeys[j], err = ecdh.X25519().NewPublicKey(k); err != nil {
				return
			}
			i.RelaysLength += 32 + 32
		} else {
			if i.NfsPKeys[j], err = mlkem.NewEncapsulationKey768(k); err != nil {
				return
			}

View on GitHub (pinned to 7d214f8b09)

When it happens

Trigger: Thrown at proxy/vless/encryption/client.go:36 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/e18ce0c2467be289. Report an issue: GitHub.