var token = document.getElementById("token")
                ws = new WebSocket("ws://localhost:8000/items/" + itemId.value + "/ws?token=" + token.value);
                ws.onmessage = function(event) {
                    var messages = document.getElementById('messages')
                    var message = document.createElement('li')
                    var content = document.createTextNode(event.data)

                var token = document.getElementById("token")
                ws = new WebSocket("ws://localhost:8000/items/" + itemId.value + "/ws?token=" + token.value);
                ws.onmessage = function(event) {
                    var messages = document.getElementById('messages')
                    var message = document.createElement('li')
                    var content = document.createTextNode(event.data)

                var token = document.getElementById("token")
                ws = new WebSocket("ws://localhost:8000/items/" + itemId.value + "/ws?token=" + token.value);
                ws.onmessage = function(event) {
                    var messages = document.getElementById('messages')
                    var message = document.createElement('li')
                    var content = document.createTextNode(event.data)

  @Throws(IOException::class)
  override fun onReadMessage(text: String) {
    listener.onMessage(this, text)
  }

  @Throws(IOException::class)
  override fun onReadMessage(bytes: ByteString) {
    listener.onMessage(this, bytes)
  }

  @Synchronized override fun onReadPing(payload: ByteString) {

        override fun onOpen(
          webSocket: WebSocket,
          response: Response,
        ) = TODO()

        override fun onMessage(
          webSocket: WebSocket,
          text: String,
        ) = TODO()

        override fun onMessage(
          webSocket: WebSocket,
          bytes: ByteString,
        ) = TODO()

        override fun onClosing(

    clientListener.assertOpen()
    val server = serverListener.assertOpen()
    val e = RuntimeException()
    clientListener.setNextEventDelegate(
      object : WebSocketListener() {
        override fun onMessage(
          webSocket: WebSocket,
          text: String,
        ) {
          throw e
        }
      },
    )
    server.send("Hello, WebSockets!")
    clientListener.assertFailure(e)

	public fun onClosing (Lokhttp3/WebSocket;ILjava/lang/String;)V
	public fun onFailure (Lokhttp3/WebSocket;Ljava/lang/Throwable;Lokhttp3/Response;)V
	public fun onMessage (Lokhttp3/WebSocket;Ljava/lang/String;)V
	public fun onMessage (Lokhttp3/WebSocket;Lokio/ByteString;)V
	public fun onOpen (Lokhttp3/WebSocket;Lokhttp3/Response;)V

        String message = e.getMessage();
        if (e instanceof XMLStreamException xe && xe.getLocation() != null) {
            int idx = message.indexOf("\nMessage: ");
            if (idx >= 0) {
                return message.substring(idx + "\nMessage: ".length());
            }
        }
        return message;
    }

    public StaxLocation(javax.xml.stream.Location location) {
        this.location = location;

    assert response.status_code == 200, response.text
    assert response.json() == {"message": "Message sent"}
    with open("./log.txt") as f:

    assert response.status_code == 200, response.text
    assert response.json() == {"message": "Message sent"}
    with open("./log.txt") as f: