Second App web socket connection issue

Developer API
1

I have created second app as below & use the same redirect URL as 1st app key.
API Key: a8984356-54cf-4347-bb8f-dcbb69349ad0

The authentication & token is working fine but unable to connect the socket. Please advise why second app is not connected with Socket.

Error:
Message: Unable to connect to the remote server
Source: System
StackTrace: at System.Net.WebSockets.ClientWebSocket.d__21.MoveNext()
— End of stack trace from previous location where exception was thrown —
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at System.Runtime.CompilerServices.TaskAwaiter.GetResult()
at UpstoxClient.Feeder.MarketDataFeeder.d__8.MoveNext() in MyApplicationPath\Feeder\MarketDataFeeder.cs:line 69
StackTrace: System.Net.WebException: The remote server returned an error: (403) Forbidden.
at System.Net.HttpWebRequest.EndGetResponse(IAsyncResult asyncResult)
at System.Threading.Tasks.TaskFactory1.FromAsyncCoreLogic(IAsyncResult iar, Func2 endFunction, Action1 endAction, Task1 promise, Boolean requiresSynchronization)
— End of stack trace from previous location where exception was thrown —
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at System.Net.WebSockets.ClientWebSocket.d__21.MoveNext()

2

With the V3 version, significant enhancements have been introduced, offering improved stability, performance, and reliability for uninterrupted data delivery. This version also includes limitations on connections and subscriptions to ensure a stable and efficient data transmission process. These limitations are designed to optimize performance and maintain consistent feed quality.

Please make sure you are not connected to WebSocket with your first app.

1 Like
3

Thank you for your quick response.

Do you mean, we can create multiple apps but allow to connect socket with only one app?

4

You need to use separate api key for each app. so that you can connect websocket on multiple app for same user.

But @Upstox @MohitGolecha @Sachin_Khodpia @Ketan You should at least allow 2 connections. I am using websocket for different purposes which can not be fulfilled by single connection.

5

Hi @Jagdish_j_ptl

Noted this. Shall update soon on it.

1 Like
6

Hello @Jagdish_j_ptl and @Samiksha_47544883

We have increased the number of V3 market data WebSocket connections to 2. You may refer to the updated documentation for more details: Upstox API Documentation.

Thanks!

7

Thank you for this update. This will be very helpful.

1 Like
8

Thank you for your quick update. It is working.

9

Thanks. One more info- do we need to add one more app or the existing app can have 2 web sockets connections. please advise

10

Hi @mailtoskt
Single app can establish up to 2 WebSocket connections, as the current limitation is based on the number of connections per user rather than per application.

Thank you!

2 Likes
11

Hello,
Request to check at your end this scenario. If one attempts 3rd one, he encounters this message “Handshake status 403 Forbidden” which is OK. But when one restarts again and tries 1st connection, he continues to receive this message “Handshake status 403 Forbidden”. request to review at your end so that this flag gets reset, once a person reties again ( upto two connections.)
regds

13

@mailtoskt

This shouldn’t be happening. If it happens again, please share the logs along with your client ID.

Thanks!