Why does UE5 Livelink recived data deserialize to JSON sometime broken?

General Feedback & Requests
,
1

I am current facing a very strange issue.

am using a pyton client send to UE livelink, sometimes it work, sometims it not.

handshake = {
    "HANDSHAKE": {
        "version": "1.2.5",
        "userName": "iPhone2Python",
        "sessionUUID": "8EF5BA6A-A73E-419A-9BDC-7E18759C180C",
        "deviceName": "iPhone13,4",
    },
    "version": "1.2.5",
    "userName": "iPhone2Python"
}

show_my_ip()

connections = {}

socket_conn = SocketConn("127.0.0.1", port=8080)
socket_conn.send_json_encoded(json.dumps(handshake, ensure_ascii=False).encode("utf-8"))

 def send_json_encoded(self, data):
        # self.s.sendall(bytes(str(data), encoding="utf-8"))
        self.s.sendall(data)

this is my sending python script, it was so simple, to send a dict, which dumped to json string and encoded.

Then on UE side:

image
image3230×398 128 KB

Am so confised, why it deserial error?

What make me crazy is that ,this is not 100% wrong, sometimes it can work…

Why Livelink receive data from UDP doesn’t always correct
???