Timeout Issue #270

am975eng · 2025-07-11T23:18:24Z

am975eng
Jul 11, 2025

Hello, I've been using a simple firebase realtime database example to check a stored value which was working perfectly. However, recently the authTask connecting has been timing out. The esp32 has the correct email, password, and root cert and is able to connect to the internet.

Event task: 🔐 authTask, msg: authenticating, code: 7
Debug task: 🔐 authTask, msg: Connecting to server...
Event task: 🔐 authTask, msg: auth request sent, code: 8
Event task: 🔐 authTask, msg: connection timed out, code: -1
Debug task: 🔐 authTask, msg: Terminating the server connection...

Answered by mobizt

Jul 12, 2025

The delay function and blocking code are interrupted the async and auth tasks handler. You should avoid it otherwise use the library in await mode instead.

View full answer

mobizt · 2025-07-12T03:26:17Z

mobizt
Jul 12, 2025
Maintainer

The issue is your WiFiClientSecure or your network.

3 replies

ga-hadif Jul 14, 2025

Hi, I faced something similar too, in my case it was while sending data to Firestore. It did manage to send the data eventually, but I kept getting repeated logs before it successfully sends like:

Debug task: commitTask, msg: Connecting to server...

Is this also caused by WiFiClientSecure/network? I’m still new so just trying to understand

mobizt Jul 14, 2025
Maintainer

@ga-hadif

The timeout is usually related to user blocking code and network (slow) issue.

For delay issue, you should make sure there is nothing blocks the FirebaseApp::loop() to run freely in the loop that means you should remove all your delays and blocking code out from the loop.

Anyway, you should keep FirebaseApp::loop() running in the main loop or FreeRTOS (ESP32) infinite loop task.

For network issue, the Netwotk/WiFi and WiFiClientSecure libraries are on your side, and you should have to check it.

mobizt Jul 14, 2025
Maintainer

@ga-hadif

If you still prefer to use delay in your code and something gets stuck in your loop, you should use library in await mode instead.

mobizt · 2025-07-12T03:52:04Z

mobizt
Jul 12, 2025
Maintainer

The delay function and blocking code are interrupted the async and auth tasks handler. You should avoid it otherwise use the library in await mode instead.

3 replies

am975eng Jul 14, 2025
Author

Hello, I modeled the code after the example, but I do not have any delays in my code. The SSL connection to howsmyssl seems to work. I've tried different networks but the issue remains the same.

#define ENABLE_USER_AUTH
#define ENABLE_DATABASE

#include <Arduino.h>
#include <WiFi.h>
#include <WiFiClientSecure.h>
#include <FirebaseClient.h>
#define WIFI_SSID *****
#define WIFI_PASSWORD *****

#define FIREBASE_API_KEY ****
#define FIREBASE_EMAIL ****
#define FIREBASE_PASSWORD ****
#define DATABASE_URL ****

const char* myssl_root_cert = ****
const char* firebase_root_cert = ****

void asyncCB(AsyncResult &aResult);
void processData(AsyncResult &aResult);

UserAuth user_auth(FIREBASE_API_KEY, FIREBASE_EMAIL, FIREBASE_PASSWORD);
 
FirebaseApp app;

WiFiClientSecure ssl_client;

using AsyncClient = AsyncClientClass;
AsyncClient aClient(ssl_client);

RealtimeDatabase Database;

bool onetimeTest = false;
AsyncResult dbResult;

void setup() {
  Serial.begin(115200);
  pinMode(redPin, OUTPUT);
  pinMode(greenPin, OUTPUT);
  pinMode(bluePin, OUTPUT);

  setColor(true, false, false);
  delay(500);
  Serial.println("Connecting to WiFi..");
  WiFi.begin(WIFI_SSID, WIFI_PASSWORD);

  while (WiFi.status() != WL_CONNECTED) {
    //unsigned long currentMillis = millis();
    if (millis()%1000<interval){
        setColor(false, false, true);
    }else{
        setColor(false, false, false);
    }

    Serial.print(".");
  }

  Serial.println("");
  Serial.println("WiFi connected");
  setColor(false, true, false);

  configTime(0, 0, "pool.ntp.org", "time.nist.gov");
  Serial.println("Waiting for time sync...");
  time_t now = time(nullptr);
  while (now < 100000) {
    delay(500);
    now = time(nullptr);
  }
  Serial.println("Time synchronized");
  
  ssl_client.setCACert(myssl_root_cert);

  Serial.println("Connecting to www.howsmyssl.com:443...");
  if (ssl_client.connect("www.howsmyssl.com", 443)) {
    Serial.println("Secure connection established!");
    ssl_client.stop();
  } else {
    Serial.println("Secure connection failed!");
    setColor(true, false, false);
  }

  ssl_client.setCACert(firebase_root_cert);

  Serial.println(WIFI_SSID);
  app.setTime(getTime());
  initializeApp(aClient, app, getAuth(user_auth), processData, "🔐 authTask");
  
  app.getApp<RealtimeDatabase>(Database);

  Database.url(DATABASE_URL);
  
}

void loop() {
  app.loop();
  if (app.ready() && !onetimeTest)
  { 
      Serial.println("Ready for Database");
      onetimeTest = true;

      // Realtime Database set value.
      // ============================

      // Async call with callback function
      Database.set<String>(aClient, "/Test", "Hello World!", processData, "RealtimeDatabase_SetTask");

      // Async call with AsyncResult for returning result.
      // Database.set<bool>(aClient, "/Test", true, dbResult);

      bool databaseStatus = Database.get<bool>(aClient, "/Test");

      if (databaseStatus)
      {
          Serial.println("Database is ready");
          setColor(false, true, false);
      }
      else
      {
          Serial.println("Database is NOT ready");
          setColor(true, false, false);
      }
  }
  processData(dbResult);

}

void processData(AsyncResult &aResult)
{
    // Exits when no result available when calling from the loop.
    if (!aResult.isResult())
        return;

    if (aResult.isEvent())
        Firebase.printf("Event task: %s, msg: %s, code: %d\n", aResult.uid().c_str(), aResult.eventLog().message().c_str(), aResult.eventLog().code());

    if (aResult.isDebug())
        Firebase.printf("Debug task: %s, msg: %s\n", aResult.uid().c_str(), aResult.debug().c_str());

    if (aResult.isError())
        Firebase.printf("Error task: %s, msg: %s, code: %d\n", aResult.uid().c_str(), aResult.error().message().c_str(), aResult.error().code());

    if (aResult.available())
        Firebase.printf("task: %s, payload: %s\n", aResult.uid().c_str(), aResult.c_str());
      }

am975eng Jul 14, 2025
Author

The code managed to work when I set it in await mode by specifying awaitMs. Thanks again for your help!

mobizt Jul 15, 2025
Maintainer

There are some irrelevant lines in your code.

I think that there are some network/SSL client issues in your current ESP32 core, you should update it to latest first.

Here the simple test code with mixing between async and await modes and root CA applied that works well.

#define WIFI_SSID "WIFI_AP"
#define WIFI_PASSWORD "WIFI_PASSWORD"

#define API_KEY "Web_API_KEY"
#define USER_EMAIL "USER_EMAIL"
#define USER_PASSWORD "USER_PASSWORD"
#define DATABASE_URL "URL"

const char rootCA[] PROGMEM = "-----BEGIN CERTIFICATE-----\n"
                              "MIIFWjCCA0KgAwIBAgIQbkepxUtHDA3sM9CJuRz04TANBgkqhkiG9w0BAQwFADBH\n"
                              "MQswCQYDVQQGEwJVUzEiMCAGA1UEChMZR29vZ2xlIFRydXN0IFNlcnZpY2VzIExM\n"
                              "QzEUMBIGA1UEAxMLR1RTIFJvb3QgUjEwHhcNMTYwNjIyMDAwMDAwWhcNMzYwNjIy\n"
                              "MDAwMDAwWjBHMQswCQYDVQQGEwJVUzEiMCAGA1UEChMZR29vZ2xlIFRydXN0IFNl\n"
                              "cnZpY2VzIExMQzEUMBIGA1UEAxMLR1RTIFJvb3QgUjEwggIiMA0GCSqGSIb3DQEB\n"
                              "AQUAA4ICDwAwggIKAoICAQC2EQKLHuOhd5s73L+UPreVp0A8of2C+X0yBoJx9vaM\n"
                              "f/vo27xqLpeXo4xL+Sv2sfnOhB2x+cWX3u+58qPpvBKJXqeqUqv4IyfLpLGcY9vX\n"
                              "mX7wCl7raKb0xlpHDU0QM+NOsROjyBhsS+z8CZDfnWQpJSMHobTSPS5g4M/SCYe7\n"
                              "zUjwTcLCeoiKu7rPWRnWr4+wB7CeMfGCwcDfLqZtbBkOtdh+JhpFAz2weaSUKK0P\n"
                              "fyblqAj+lug8aJRT7oM6iCsVlgmy4HqMLnXWnOunVmSPlk9orj2XwoSPwLxAwAtc\n"
                              "vfaHszVsrBhQf4TgTM2S0yDpM7xSma8ytSmzJSq0SPly4cpk9+aCEI3oncKKiPo4\n"
                              "Zor8Y/kB+Xj9e1x3+naH+uzfsQ55lVe0vSbv1gHR6xYKu44LtcXFilWr06zqkUsp\n"
                              "zBmkMiVOKvFlRNACzqrOSbTqn3yDsEB750Orp2yjj32JgfpMpf/VjsPOS+C12LOO\n"
                              "Rc92wO1AK/1TD7Cn1TsNsYqiA94xrcx36m97PtbfkSIS5r762DL8EGMUUXLeXdYW\n"
                              "k70paDPvOmbsB4om3xPXV2V4J95eSRQAogB/mqghtqmxlbCluQ0WEdrHbEg8QOB+\n"
                              "DVrNVjzRlwW5y0vtOUucxD/SVRNuJLDWcfr0wbrM7Rv1/oFB2ACYPTrIrnqYNxgF\n"
                              "lQIDAQABo0IwQDAOBgNVHQ8BAf8EBAMCAQYwDwYDVR0TAQH/BAUwAwEB/zAdBgNV\n"
                              "HQ4EFgQU5K8rJnEaK0gnhS9SZizv8IkTcT4wDQYJKoZIhvcNAQEMBQADggIBADiW\n"
                              "Cu49tJYeX++dnAsznyvgyv3SjgofQXSlfKqE1OXyHuY3UjKcC9FhHb8owbZEKTV1\n"
                              "d5iyfNm9dKyKaOOpMQkpAWBz40d8U6iQSifvS9efk+eCNs6aaAyC58/UEBZvXw6Z\n"
                              "XPYfcX3v73svfuo21pdwCxXu11xWajOl40k4DLh9+42FpLFZXvRq4d2h9mREruZR\n"
                              "gyFmxhE+885H7pwoHyXa/6xmld01D1zvICxi/ZG6qcz8WpyTgYMpl0p8WnK0OdC3\n"
                              "d8t5/Wk6kjftbjhlRn7pYL15iJdfOBL07q9bgsiG1eGZbYwE8na6SfZu6W0eX6Dv\n"
                              "J4J2QPim01hcDyxC2kLGe4g0x8HYRZvBPsVhHdljUEn2NIVq4BjFbkerQUIpm/Zg\n"
                              "DdIx02OYI5NaAIFItO/Nis3Jz5nu2Z6qNuFoS3FJFDYoOj0dzpqPJeaAcWErtXvM\n"
                              "+SUWgeExX6GjfhaknBZqlxi9dnKlC54dNuYvoS++cJEPqOba+MSSQGwlfnuzCdyy\n"
                              "F62ARPBopY+Udf90WuioAnwMCeKpSwughQtiue+hMZL77/ZRBIls6Kl0obsXs7X9\n"
                              "SQ98POyDGCBDTtWTurQ0sR8WNh8M5mQ5Fkzc4P4dyKliPUDqysU0ArSuiYgzNdws\n"
                              "E3PYJ/HQcu51OyLemGhmW/HGY0dVHLqlCFF1pkgl\n"
                              "-----END CERTIFICATE-----";

#define ENABLE_USER_AUTH
#define ENABLE_DATABASE

#include <WiFiClientSecure.h>
#include <FirebaseClient.h>

void processData(AsyncResult &aResult);

WiFiClientSecure ssl_client;

using AsyncClient = AsyncClientClass;
AsyncClient aClient(ssl_client);

UserAuth user_auth(API_KEY, USER_EMAIL, USER_PASSWORD, 3000);

FirebaseApp app;
RealtimeDatabase Database;

unsigned long ms = 0;

void setup()
{
    Serial.begin(115200);
    WiFi.begin(WIFI_SSID, WIFI_PASSWORD);

    Serial.print("Connecting to Wi-Fi");
    while (WiFi.status() != WL_CONNECTED)
    {
        Serial.print(".");
        delay(300);
    }
    Serial.println();
    Serial.print("Connected with IP: ");
    Serial.println(WiFi.localIP());
    Serial.println();

    Firebase.printf("Firebase Client v%s\n", FIREBASE_CLIENT_VERSION);

    ssl_client.setCACert(rootCA);

    Serial.println("Initializing app...");
    initializeApp(aClient, app, getAuth(user_auth), processData, "🔐 authTask");

    app.getApp<RealtimeDatabase>(Database);

    Database.url(DATABASE_URL);
}

void loop()
{
    app.loop();

    if (app.ready() && (ms == 0 || millis() - ms > 5000))
    {
        ms = millis();

        Database.set<int>(aClient, "/test/data", random(1000, 9999), processData, "async set task");

        String data = Database.get<String>(aClient, "/test/data");
        Serial.println("----------------------------");
        Firebase.printf("task: %s, payload: %s\n", "await get task", data.c_str());
    }
}

void processData(AsyncResult &aResult)
{
    if (!aResult.isResult())
        return;

    if (aResult.isEvent())
    {
        Firebase.printf("Event task: %s, msg: %s, code: %d\n", aResult.uid().c_str(), aResult.eventLog().message().c_str(), aResult.eventLog().code());
    }

    if (aResult.isDebug())
    {
        //Firebase.printf("Debug task: %s, msg: %s\n", aResult.uid().c_str(), aResult.debug().c_str());
    }

    if (aResult.isError())
    {
        Firebase.printf("Error task: %s, msg: %s, code: %d\n", aResult.uid().c_str(), aResult.error().message().c_str(), aResult.error().code());
    }

    if (aResult.available())
    {
        Serial.println("----------------------------");
        Firebase.printf("task: %s, payload: %s\n", aResult.uid().c_str(), aResult.c_str());
    }
}

The result

Connecting to Wi-Fi........
Connected with IP: 10.238.241.141

Firebase Client v2.1.5
Initializing app...
Event task: 🔐 authTask, msg: authenticating, code: 7
Event task: 🔐 authTask, msg: auth request sent, code: 8
Event task: 🔐 authTask, msg: auth response received, code: 9
Event task: 🔐 authTask, msg: ready, code: 10
----------------------------
task: await get task, payload: 2889
----------------------------
task: async set task, payload: 4150
----------------------------
task: await get task, payload: 4150
----------------------------
task: async set task, payload: 1003
----------------------------
task: await get task, payload: 1003
----------------------------
task: async set task, payload: 4209
----------------------------
task: await get task, payload: 4209
----------------------------
task: async set task, payload: 4366
----------------------------
task: await get task, payload: 4366
----------------------------
task: async set task, payload: 3111
----------------------------
task: await get task, payload: 3111
----------------------------
task: async set task, payload: 9596
----------------------------
task: await get task, payload: 9596
----------------------------
task: async set task, payload: 7371
----------------------------
task: await get task, payload: 7371
----------------------------
task: async set task, payload: 1357
----------------------------
task: await get task, payload: 1357
----------------------------
task: async set task, payload: 1516
----------------------------
task: await get task, payload: 1516
----------------------------
task: async set task, payload: 8793
----------------------------
task: await get task, payload: 8793
----------------------------
task: async set task, payload: 5330
----------------------------
task: await get task, payload: 5330
----------------------------
task: async set task, payload: 4266
----------------------------
task: await get task, payload: 4266
----------------------------
task: async set task, payload: 6097
----------------------------
task: await get task, payload: 6097
----------------------------
task: async set task, payload: 2418
----------------------------
task: await get task, payload: 2418
----------------------------
task: async set task, payload: 1549
----------------------------
task: await get task, payload: 1549
----------------------------
task: async set task, payload: 4999
----------------------------
task: await get task, payload: 4999
----------------------------
task: async set task, payload: 6163
----------------------------
task: await get task, payload: 6163
----------------------------
task: async set task, payload: 4939
----------------------------
task: await get task, payload: 4939
----------------------------
task: async set task, payload: 7408
----------------------------
task: await get task, payload: 7408
----------------------------
task: async set task, payload: 8908
----------------------------
task: await get task, payload: 8908
----------------------------
task: async set task, payload: 3568
----------------------------
task: await get task, payload: 3568
----------------------------
task: async set task, payload: 1715
----------------------------
task: await get task, payload: 1715
----------------------------
task: async set task, payload: 6572
----------------------------
task: await get task, payload: 6572
----------------------------
task: async set task, payload: 5712
----------------------------
task: await get task, payload: 5712
----------------------------
task: async set task, payload: 6851
----------------------------
task: await get task, payload: 6851
----------------------------
task: async set task, payload: 7419
----------------------------
task: await get task, payload: 7419
----------------------------
task: async set task, payload: 9996
----------------------------
task: await get task, payload: 9996
----------------------------
task: async set task, payload: 7110
----------------------------
task: await get task, payload: 7110
----------------------------
task: async set task, payload: 5604
----------------------------
task: await get task, payload: 5604
----------------------------
task: async set task, payload: 1915
----------------------------
task: await get task, payload: 1915
----------------------------
task: async set task, payload: 5347
----------------------------
task: await get task, payload: 5347
----------------------------
task: async set task, payload: 7773
----------------------------
task: await get task, payload: 7773
----------------------------
task: async set task, payload: 8553
----------------------------
task: await get task, payload: 8553
----------------------------
task: async set task, payload: 5291
----------------------------
task: await get task, payload: 5291
----------------------------
task: async set task, payload: 5616
----------------------------
task: await get task, payload: 5616
----------------------------
task: async set task, payload: 5268
----------------------------
task: await get task, payload: 5268
----------------------------
task: async set task, payload: 3064
----------------------------
task: await get task, payload: 3064
----------------------------
task: async set task, payload: 8052
----------------------------
task: await get task, payload: 8052
----------------------------
task: async set task, payload: 9145

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Timeout Issue #270

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am975eng Jul 11, 2025

Replies: 2 comments · 6 replies

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mobizt Jul 12, 2025 Maintainer

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