60 questions
0
votes
1
answer
137
views
Ably: Auth.requestToken(): token request signing call returned error; err = TypeError: Cannot read property 'split' of undefined
During the implementation of Laravel Echo with Ably, an error occurs when channelName = null. Although the server still returns a token, Ably throws the following error:
Auth.requestToken(): token ...
0
votes
1
answer
269
views
How Ably works with Vercel?
I'm using Ably as provider for my Express application. Vercel itself suggests to use Ably, among others, to manage websockets.
The issue is that once my deployed application successfully connects to ...
- 811
0
votes
1
answer
287
views
Laravel Ably broadcast not working after user login
I'm using ably for broadcasting notifications in my admin panel,
I've followed this repo https://github.com/ably/laravel-broadcaster, to setup ably/laravel-broadcaster and ably larvel echo for the ...
- 1
0
votes
1
answer
251
views
One-to-One Messaging with Ably
i know there's already a question with the same title. but i have something more to say
What are my main goals:
I'm trying to let any user from my app to connect to any other user securely, so that ...
- 454
0
votes
1
answer
75
views
Scaled ably game backend recommendations for process-only-once actions
In a scaled backend infrastructure (imagine game engine) which subscribes to bunch of ably channels and processes messages (say user input update in a game), is there a recommended pattern to ensure a ...
- 334
1
vote
0
answers
175
views
Realtime quiz with Next.js and PlanetScale (and Ably) - concurrency issues
I'm trying to build a realtime quiz. A user guesses the answer, and does a post to my Next.js endpoint (I'm moving to Ably to handle the connections/order of message).
When a user posts an answer, ...
0
votes
2
answers
666
views
Subscribing with Ably Not Working in Production
I shipped an application to production using Vercel and Ably. In short, on a button click, I publish an event to a channel from my react client. On my node backend, I am subscribed to that channel for ...
- 11
1
vote
1
answer
594
views
How I order these Next.js components so Next, Ably and Clerk work in tandem?
I am currently trying to set up an app with Clerk (authentication) and Ably (WebSockets for realtime communication), but I can't figure out how to architect this where one piece doesn't break another. ...
0
votes
1
answer
140
views
Changing 1 on 1 webRTC Ably API code to handle group voice call
Right now I have a fully working 1 on 1 voice call using webRTC and Ably API. I want to modify my code to somehow create one room (I won't need more than one channel) so when people click to join it ...
0
votes
1
answer
232
views
What are Ably Presence action numbers?
So I'm pushing Ably Presence events to a lambda function via Ably Firehouse. Logging the event on lambda, I see the presence actions are represented by numbers and not action names (leave, enter...) ...
- 101
0
votes
1
answer
765
views
Has anyone been able to use the new Experimental ably-js react hooks?
Problem: I encounter a "Unhandled Promise Rejection: Error: Connection closed" every time I attempt to use useChannel or usePresence. This is being done in a client component (app router), ...
1
vote
1
answer
248
views
Ably rate limiting clients
I need to give clients publishing capabilities in my application, but that creates an opportunity for malicious users to cause disruption. I see that Ably has revocable tokens (https://ably.com/docs/...
- 487
1
vote
1
answer
56
views
error 40104, 40105 when using ably with next js app router on vercel
I'm using ably and have created a route to generate a token on next.js server using the following code, based on the next example on ably's web site
// src/app/api/getAblyToken/route.ts
import { ...
- 5,451
0
votes
1
answer
504
views
Error trying to use ably Class "Ably\AblyRest" not found
Ok so i been following the tutorial for ably Building a realtime chat app with Laravel using WebSockets
but when i tried to create a messageEvent using the command:
php artisan make:event ...
- 11
1
vote
1
answer
605
views
Issue with authorization with Ably when trying to run Pinecone Demo chat app
I have been trying to get the Pinecone Demo chat app in their own website up and running.Link to it. I have put all the keys properly in the .env file and the UI seems to pop up correctly. However, it ...
- 41
1
vote
1
answer
1k
views
Serverless function crashes with Runtime exited error: exit status 1 on Vercel deployment
I am making a website using whatsapp-web.js package in node.js. Everything is working fine in localhost. Here I have used ably (Realtime server) But when I want to deploy website on vercel, it is not ...
0
votes
1
answer
347
views
Update presence member status causing presence member list to display updated user as only member
In Ably, Im using
Ably React hook
In the documentation, there is a way to update member status when monitoring what users have entered a room.
const [presenceData, updateStatus] = usePresence("...
- 1,738
0
votes
1
answer
676
views
Using the ably flutter package, how can I subscribe to and listen to an event in Laravel and Flutter?
I'm developing a chat application using Laravel and flutter. I'm using ably_flutter package to make it realtime. The channel is created successfully but it's faild to listen an event or a message.
...
- 41
1
vote
1
answer
510
views
How to fix this "Unable to publish push notification; err = Published push notification to not push-enabled channel" with ably
I'm trying to use push notifications with ably in a flutter app but I'm getting this error please help me solve it
- 13
0
votes
1
answer
151
views
Flutter - Ably - java.util.HashMap cannot be cast to io.ably.lib.types.Param
This plugin ...
https://pub.dev/packages/ably_flutter
... asked me to do this ...
ably.ClientOptions options = ably.ClientOptions(
clientId : '...',
authUrl : '...',
authHeaders : {'...
- 1,832
1
vote
1
answer
396
views
Laravel Echo automatically disconnects first connected user
I'm building a real-time chat using Laravel, Ably (Pusher) and Vue 3 and a presence channel.
Everything works great, but for some reason the first connected client gets disconnected automatically ...
- 69
1
vote
1
answer
524
views
Trouble getting paho-mqtt (Python 3.9) to connect to Ably
First attempt to get paho-mqtt working with Ably. I'm sort of translating the following NodeJS example (which works for me) to Python. In the Python version, I don't seem to get any CONNACK back from ...
2
votes
1
answer
2k
views
Syncing chat app message history with local cache
Consider a mobile chat app with MongoDB for chat message storage and https://ably.com/ as the pub sub broker. When a new user joins a chat room, or an existing user re-install their app, old messages ...
- 4,625
0
votes
1
answer
721
views
ES6 import statements not working on web server
My imports work fine within my javascript file, but they do not work when I start the webserver. I can access the functions of the imported module as expected, but the import statement itself fails ...
- 11
0
votes
0
answers
513
views
How to import JS modules in client sided JS files?
Sorry if the question wording is unclear. When I try to use the Ably module in my client-side js file, the object doesn't exist. I thought that javascript files within the same HTML file all had ...
- 11
4
votes
1
answer
1k
views
Ably One-to-One Messaging
So I was trying to implement one-to-one messaging in NextJS with Ably but I couldn't get it done.
I'm stuck between making channels for interactions (e.g. private:<user_1>-<user_2>) and ...
- 43
1
vote
1
answer
901
views
Best Way To Globally Instantiate Ably Connection in React Native
I am building a React Native game with multiple screens. I am trying to instantiate Ably one time and use it throughout the application without having to call new Ably('api-key') on every screen, as ...
- 31
0
votes
1
answer
541
views
Difference between ably realtime Channel.off method and Channel.unsubscribe
The Ably realtime javascript documentation here does not describe what the Channel.off method does. I'm wondering what that method does and how it's different than Channel.unsubscribe
- 1,028
1
vote
1
answer
171
views
Communication from ably to MQTT
I wanted to know if there is an example to do it the other way round, that is from Ably to MQTT.
I need this for my IoT application where I am trying to send an instruction to change the sensor value ...
- 11
1
vote
2
answers
981
views
Apache Kafka topic per application
I'm trying to build a PaaS like Ably where I provide users with a easy to use pub/sub system. The thing is that I'm planning to use Kafka but I don't know if it's the right fit for this. Each user can ...
- 101
0
votes
1
answer
958
views
How to get list of connected users?
I have many channels, and I need to get statistic, how many users connecter to every channel and their identity.
How can I get a list of connected users to every channel?
- 11
0
votes
1
answer
315
views
Best way of setting up integration tests for ably
I'm considering migration from pusher to ably.
In my current setup, I'm using https://github.com/tristandunn/pusher-fake as a solution to run integration tests. In short, this is running local server, ...
- 103
2
votes
3
answers
333
views
How to revoke a token in ably.io?
I want to have custom permissions for different channels for security purposes. In the documentation and examples, shortlived tokens are used. I don't want to spam the auth server every minute and don'...
- 21
0
votes
1
answer
104
views
Ably Pub/Sub Realtime ILoggerSink LogEvent not working
I am using VB.NET with Ably .NET Realtime library version 1.2.1. I have a wrapper class setting up and managing Ably. The class implements ILoggerSink. It is setting up the channel as shown by ...
- 827
2
votes
1
answer
500
views
Vercel ably setup
I am new to vercel and I am trying to deploy an application which consist of chat feature. I am using ably.com as pub/sub chat feature. I am trying to use ably realtime for both publishing and ...
- 85
1
vote
1
answer
363
views
Ably Subscribe and detecting jwplayer play status
Last time that I asked question here I acted like a prime noob and I hope this time I am a bit more on track and clear on my problem.
So my issue: I have this player built in a PHP file and I call it ...
- 33
0
votes
1
answer
474
views
Using ably.io JWT with Angular
I'm trying to use ably.io with Angular and Azure Functions using the JWT way of authenticating since it's secure, but I'm having issues with configuring the angular side of it. The use case is for a ...
- 129
0
votes
1
answer
439
views
ably webrtc group call Not working in Javascript and simple peer
we are working on making a simple group call web app using Ably and simple peer. By following the step by step tutorial, the 1-to-1 call works (that too has issues when using on public ip but that is ...
- 1,925
1
vote
1
answer
201
views
Prevent multiple Ajax updates
We have a web calendar client which shows events in real time. Whenever there is an update on the server, we use Ably Realtime to notify the client that it needs to request updates from the server. ...
- 873
0
votes
2
answers
423
views
Need help using MQTT with Ably from the Browser
I am using the paho-mqtt library in a SPA running in Chrome and calling the connect with the example code and am getting two alternating errors
var client = mqtt.connect('mqtts:mqtt.ably.io', {
...
- 781
0
votes
1
answer
330
views
Getting started with ABLY
I added https://github.com/ably/ably-js to my project so that I can use typescript. Currently my document adds the currentBid information to the mongodb document with the corresponding auctionId. I'm ...
- 129
0
votes
1
answer
162
views
Can ably.io (AMQP|MQTT) queue clients authenticate using tokens?
I'd like to allow untrusted clients to subscribe to MQTT and AMQP queues on ably.io.
Can I use one of the token authentication schemes described in https://www.ably.io/documentation/core-features/...
- 4,317
1
vote
1
answer
1k
views
Get Unknown error when connecting creating a connection using Ably.io
We have a use case where the user has not logged into the application yet and no authentication token has been created. The application needs to connect to the web server on a public channel to check ...
- 725
1
vote
1
answer
1k
views
Recycle Ably realtime connections
I kinda came across a strange problem.
In our application (based on React-native) we hosted 70 concurrent clients but the peak in the monitoring page showed 380 connections.
I assume maybe clients ...
- 43
1
vote
1
answer
299
views
Cannot add Gradle dependencies to my Codename One Project
I'm building a simple online app with Netbeans using Codename One, and I wanted to use Ably for internet communication, but I'm having trouble importing the Ably API.
Ably's site tells me that I need ...
- 61
2
votes
1
answer
349
views
How to set up an e-commerce messaging solution using ably.io
I have an e-commerce website and I want to implement a messaging solution between my clients, using ably.io. I am new to ably.io and also to pub/sub message pattern and need some advice to put me on ...
- 15.7k
6
votes
2
answers
508
views
Advice on pubsub topic division based on geohashes for ably websocket connection service
My question concerns the following use case:
Use case actors
User A: The user who sets a broadcast region and views stream with live posts.
User B: The first user who sends a broadcast message ...
- 18.9k
0
votes
1
answer
721
views
ConnectionManager.onChannelMessage() received message with different connectionSerial, but same message id as a previous; discarding
Using Ably Realtime for a web based reservation system.
I'm getting a few errors in the js console consistently, though everything is working properly.
Basically, there is a date selector and when a ...
- 1,092
0
votes
2
answers
90
views
Casting from Any to anything else fails
API gives me back a variable that has type Any. It looks like this when I print it.
{
"sender" : "Kira",
"created" : "08.05.2018",
"text" : "Cncncm"
}
I tried to use SwiftyJSON to cast it like ...
- 1,603
0
votes
1
answer
611
views
Can I attach and subscribe to channels using wildcards?
When using Ably for Pub/Sub over WebSockets, can I use wildcards to subscribe to multiple channels like so
var channel = ably.channels.get('foo:*')
channel.attach()
(disclaimer: I am a developer ...
- 1,485