Cannot connect Jetpack plugin in Wordpress. Error Details: The Jetpack server was unable to communicate with your site [HTTP 500].

I have activated the jetpack plugin. Then it asks to connect a account to start using it. As I click the “Connect Jetpack” button, the following error comes up.

Error Details: The Jetpack server was unable to communicate with your site [HTTP 500]. Ask your web host if they allow connections from If you need further assistance, contact Jetpack Support:

I have tried disabling all the other plugins. It still doesn’t work. I can access the xmlrpc.php file from the browser. You can visit my website here.

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Accepted Answer

I have resolved the issue by installing php7.0-xml and php7.0-xmlrpc.

Having the same problems, but installing the two php extensions hasn’t solved them. Still getting a “SyntaxError: JSON Parse error: Unrecognized token ‘<’” error :/

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For those who don’t know the command, run

sudo apt-get install php7.0-xml php7.0-xmlrpc
sudo service apache2 restart