无法验证facebook messenger webhook，curl_errno = 28 [英] Cannot verify facebook messenger webhook, curl_errno = 28

问题描述

我想为Facebook应用程序配置webhook。在开发过程中，我正在使用ngrock，这是非常有效的，今天我不能建立连接。地址是

https：// ........ .ngrok.io ，它工作并返回ok
i尝试添加webhook https：//.......ngrok.io/webhook 到Facebook应用程序，得到这样的错误

i want to configure webhook for facebook application.during the development process i was using ngrock, which was working perfectly, today i cann't establish connection. Address is
https://.........ngrok.io , which works and returns ok i try to add webhook https://.......ngrok.io/webhook to the facebook application , getting error like this

URL不能验证。回调验证失败，出现以下错误：curl_errno = 28; curl_error =在6001毫秒之后的操作超时，0个0字节接收; HTTP消息=未知的响应代码

The URL couldn't be validated. Callback verification failed with the following errors: curl_errno = 28; curl_error = Operation timed out after 6001 milliseconds with 0 out of 0 bytes received; HTTP Message = Unknown Response Code

你可以帮忙，我该怎么办？

Can you help, what can i do?

推荐答案

我花了2个小时来解决它。最后，我发现这是一个bug :)
Facebook修复它。

I've spend 2 hours to fix it. And final, I find it is a bug :) Facebook fixed it.

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