========== WS ERROR ==========
Message : null
Code    : null
Details : com.angelbroking.smartapi.smartstream.models.SmartStreamError@443dbe42
================================

Its not even showing what the error is.
There is no proper way to print and see what the error is

        SmartStreamListener listener = new SmartStreamListener() {

            @Override
            public void onConnected() {
                System.out.println("[WS] Connected to Angel One feed");
                
                
            }

            @Override
            public void onDisconnected() {
                System.out.println("[WS] Connection closed");
                alerts.send("⚠️ WebSocket disconnected");
            }

            @Override
            public void onError(SmartStreamError error) {
            	System.err.println("========== WS ERROR ==========");
                System.err.println("Message : " + error.getException().getMessage());
                System.err.println("Code    : " + error.getException().getLocalizedMessage());
                System.err.println("Details : " + error);
             
                System.err.println("================================");
                
            }

            @Override
            public void onPong() {
                // optional
            }

            @Override
            public SmartStreamError onErrorCustom() {
                return null;
            }

            // ── THIS replaces your onTick ─────────────────────────

            @Override
            public void onLTPArrival(LTP ltp) {
                try {
                    /*LiveTick lt = new LiveTick(
                            "BANKNIFTY",
                            ltp.getLastTradedPrice() / 100.0,  // paise → ₹
                            0,
                            LocalDateTime.now()
                    );

                    runner.onTick(lt);
					*/
                } catch (Exception e) {
                    System.err.println("[TICK ERROR] " + e.getMessage());
                }
            }

            // unused but required

            @Override
            public void onQuoteArrival(Quote quote) {}

            @Override
            public void onSnapQuoteArrival(SnapQuote snapQuote) {}

            @Override
            public void onDepthArrival(Depth depth) {}
        };


        // ── Create ticker ─────────────────────────────────────────
        System.out.println("clientId: " + auth.getClientId());
        System.out.println("feedToken: " + auth.getFeedToken());
        SmartStreamTicker ticker = new SmartStreamTicker(
                auth.getClientId(),
                auth.getFeedToken(),
                listener
        );


        // ── Subscribe to BankNifty Futures ───────────────────────

        Set<TokenID> tokenSet = new HashSet<>();

        tokenSet.add(new TokenID(
                ExchangeType.NSE_FO,   // Futures exchange
                futures.getSymbolToken()
        ));

        ticker.subscribe(SmartStreamSubsMode.LTP, tokenSet);


        // ── Connect ──────────────────────────────────────────────

        ticker.connect();

========== WS ERROR ==========
Message : null
Code : null
Details : com.angelbroking.smartapi.smartstream.models.SmartStreamError@443dbe42