Failed to create channel java.io.IOException: Connection reset by peer about pushy HOT 6 CLOSED

public static  ApnsClient getApnsClient() throws NoSuchAlgorithmException{
        if (apnsClient == null) {
            byte[] bytes = decodeBase64EncodedString(privateKey);

            final PKCS8EncodedKeySpec keySpec = new PKCS8EncodedKeySpec(bytes);
            final KeyFactory keyFactory = KeyFactory.getInstance("EC");
            ECPrivateKey signingKey;
            try {
                signingKey = (ECPrivateKey)keyFactory.generatePrivate(keySpec);
                ApnsSigningKey signing = new ApnsSigningKey(keyId, teamId, signingKey);
                signing.getEncoded();
                apnsClient = new ApnsClientBuilder().setApnsServer(ApnsClientBuilder.PRODUCTION_APNS_HOST)
                    .setProxyHandlerFactory(new HttpProxyHandlerFactory(new InetSocketAddress(proxyAddress, port)))
                    .setSigningKey(signing).setConcurrentConnections(4)
                    .build();
            } catch (Exception e) {
                LogUtils.error("apns push create exception",null,e);
            }
        }
        return apnsClient;
    }

PushNotificationFuture<SimpleApnsPushNotification, PushNotificationResponse<SimpleApnsPushNotification>>
            future = apnsClient.sendNotification(simpleApnsPushNotification);
            future.whenComplete((pushNotificationResponse,cause)->{
                if (pushNotificationResponse != null) {
                    if (pushNotificationResponse.isAccepted()) {
                        LogUtils.info("Push notification accepted by APNs gateway.", request);
                        BuyerMessagePushSchedule.buyerAppleSuccessPushCounter.incrementAndGet();
                    } else {
                        String errorReason = pushNotificationResponse.getRejectionReason().toString();
                        if (errorReason.contains("BadDeviceToken") || errorReason.contains("Unregistered")) {
                            userDeviceService.setInvalidStatus(request.getfUserDeviceId());
                        }
                        BuyerMessagePushSchedule.buyerAppleFailurePushCounter.incrementAndGet();
                        LogUtils.error("push apns error", errorReason, null);
                    }
                    
                } else {
                    LogUtils.error("push apns exception cause",cause.getMessage());
                    
                }
            });