Botframework-sdk: C# Operation returned an invalid status code '429', Microsoft.Rest.HttpOperationException

[alokraj68]

Hi,
Whenever we try to send a message to a user using

await context.PostAsync("Hi");

The exception occurs like Microsoft.Rest.HttpOperationException , Operation returned an invalid status code '429'

we did a throw check and posted just a hi, but still, this issue persists. can anyone help us out?

It's more often for platform Kik and exist in telegram, FB and skype.

[fingejo]

if i understand you correctly, it works from time to time?
429 means Too Many Requests
So you should consider upgrading your App Service so it can handle more requests.

[alokraj68]

Does it? I see so much if ram and memory left without use even now. So am
confused of that. Is it not something with code? And why does it occur so
often with kik and telegram and not so much if facebook?

On 17-Jan-2017 8:15 PM, "fingejo" [e-mail] wrote:

if i understand you correctly, it works from time to time?
429 means Too Many Requests
So you should consider upgrading your App Service so it can handle more
requests.

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[tomlm]

This happens because you are going through ngrok.io by default and ngrok.io is rate limiting your requests.

You can either slow down your conversation or you can disable ngrok.io for local debugging by:

[alokraj68]

@tomlm you understood the question wrong. I think you did not read the issue at all before replying. Am talking about bot in FB, Kik and telegram where ngrook is not present. Please don't close issues without resolving the issue.

[fingejo]

hard to say without more information, but it seems to be a network/hardware problem to me, due to the error code.

[alokraj68]

What infos will you need @fingejo

Thanks and Regards,

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Alok Rajasukumaran / Developer - Innovation Team
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On Wed, Jan 18, 2017 at 1:55 PM, fingejo [e-mail] wrote:

hard to say without more information, but it seems to be a
network/hardware problem to me, due to the error code.

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[fingejo]

where is your bot hosted? Which app service do you use? How much requests do you recieve per second/minute?
Does it appear in all channels or only in KiK?
Where exactly is the exception thrown?
to make sure it is not a code issue, you can remote-debug your bot if it is hosted in azure.

[alokraj68]

@fingejo
My bot I hosted in Azure with plan B1 Basic.
Request rate is around 1: 4 at most. that is 4 request goes out for one incoming request.
It appears a lot for KIK and somewhat for Telegram and really low for FB.
In telegram and FB it will restart the bot. in KIK it just crashes with the exception.
The exception is thrown when I try to post a message to the user using

await context.PostAsync("message");

How can I remote debug the bot?!

[fingejo]

in visualstudio, you can open your azure account in the cloud explorer, then search for your bot app and right click: "attach debugger"
It doesnt work all the times, sometimes you have to restart visualstudio and i would always deploy before attaching the debugger.

maybe kik and other channels have some kind of spam security and that is blocking your bot, that's the only solution i can imagine when it's not a ressource problem on your site.

[davidbistolas]

@alokraj68:

429 Too Many Requests Rate limit exceeded

4 messages sent for every message received will trip the rate limiter very quickly. Kik's rate limits are outlined here:

https://dev.kik.com/#/docs/messaging#rate-limits

You'll need to batch the messages together and reduce the number of messages sent out.