致命错误：“无法连接到主机”！ （Facebook API） [英] fatal error : 'couldn't connect to host' ! (Facebook API)

问题描述

但是当我尝试使用Graph API发布链接时我收到了这个错误：

致命错误：未收到的异常Facebook\FacebookSDKException与
消息无法连接到主机在
/home/u614270703/public_html/test/vendor/facebook/php-sdk-v4/src/Facebook/HttpClients/FacebookCurlHttpClient.php:156
堆栈跟踪：＃0
/ home / u614270703 / public_html / test / vendor / facebook / php-sdk-v4 / src / Facebook / FacebookRequest.php（248）：
Facebook\HttpClients\FacebookCurlHttpClient-> send（' https：//graph.f ...'，
'POST'，Array）＃1 /home/u614270703/public_html/test/session2.php （32）：
Facebook\FacebookRequest-> execute（）＃2 {main}抛出在
/ home / u614270703 / public_html / test / vendor / facebook / php-sdk-v4 / src / Facebook /HttpClients/FacebookCurlHttpClient.php
在第156行

我不知道发生了什么。这个错误是什么意思？我不知道为什么我无法连接到主机。

解决方案

您的服务器可能会阻止传出的CURL请求，您的提供商，并询问他是否可以打开访问Facebook API服务器（graph.facebook.com）。

还有其他线程：

• 致命错误：未捕获CurlException：7：无法连接到第887行的src / base_facebook.php中抛出的主机


• 如何解决cURL错误（7）：无法连接到主机？


• https://stackoverflow.com/questions/9425406/facebook-api-exception-object-error-on-facebook-app

I'm trying to add Facebook API on my web application..

But when I tried to post links using the Graph API.. I got this error:

Fatal error: Uncaught exception 'Facebook\FacebookSDKException' with message 'couldn't connect to host' in /home/u614270703/public_html/test/vendor/facebook/php-sdk-v4/src/Facebook/HttpClients/FacebookCurlHttpClient.php:156 Stack trace: #0 /home/u614270703/public_html/test/vendor/facebook/php-sdk-v4/src/Facebook/FacebookRequest.php(248): Facebook\HttpClients\FacebookCurlHttpClient->send('https://graph.f...', 'POST', Array) #1 /home/u614270703/public_html/test/session2.php(32): Facebook\FacebookRequest->execute() #2 {main} thrown in /home/u614270703/public_html/test/vendor/facebook/php-sdk-v4/src/Facebook/HttpClients/FacebookCurlHttpClient.php on line 156

I don't have any idea what is going on. What does this error means? I don't know why I can't 'connect to host'.

解决方案

Your server probably blocks outgoing CURL requests, contact your provider and ask him if he could open access to the Facebook API server (graph.facebook.com).

There are other threads about this too:

• Fatal error: Uncaught CurlException: 7: couldn't connect to host thrown in ....src/base_facebook.php on line 887
• How to resolve cURL Error (7): couldn't connect to host?
• https://stackoverflow.com/questions/9425406/facebook-api-exception-object-error-on-facebook-app

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