Recommended features failed to activate. SyntaxError: Unexpected token < in JSON

  • Hello.

    I know this topic has been covered extensively before but so far other solutions haven’t worked for me. I transferred the website from a locally hosted server to self-hosting service. Jetpack was already among the installed plugins.

    When I do the recommended check on the Content box this is the message:

    <!DOCTYPE HTML PUBLIC “-//IETF//DTD HTML 2.0//EN”>
    <html><head>
    <title>400 Bad Request</title>
    </head><body>
    <h1>Bad Request</h1>
    <p>Your browser sent a request that this server could not understand.<br />
    </p>
    </body></html>

Viewing 3 replies - 1 through 3 (of 3 total)
  • Plugin Author Jeremy Herve

    (@jeherve)

    Jetpack Mechanic ??

    Could you let me know what other plugins are currently installed on your site?

    Could you also post your site URL here, so I can have a closer look?

    If you want it to remain private, you can also contact us via this contact form:
    https://jetpack.com/contact-support/

    Thanks!

    racetrout

    (@racetrout)

    I have the same issue.
    I am building a subdomain multisite.
    I have the following plugins
    Akismet
    Amazon Web Services
    Hello Dolly
    Jetpack
    NextGEN Gallery
    NextGEN Pro
    UpdraftPlus
    WooCommerce
    Wordfence Security
    WP Offload S3 Lite
    WP Super Cache
    WP Updates Notifier
    Yoast SEO

    I have tried changing themes & permalinks and re-installing Jetpack.

    Rookie question: Is JSON something I need to install? I hand crafted an AWS EC2 with CentOS 7 and installed Apache, PHP, MariaDB and PHPmyAdmin.

    SELINUX maybe? I only asked because it kept PHP from attaching to a remote RDS MariaDB (which drove me nuts for a week).

    Plugin Author Jeremy Herve

    (@jeherve)

    Jetpack Mechanic ??

    Is JSON something I need to install? I hand crafted an AWS EC2 with CentOS 7 and installed Apache, PHP, MariaDB and PHPmyAdmin

    No, it is bundled with WordPress since version 4.4. If you use a recent version of WordPress, it will available to you without you having to do anything.

    Could you try the following:

    1. Open the dashboard page.
    2. Open your browser console
    3. Click on the Network tab
    4. Refresh the page.
    5. If you see any lines in red inside the browser console, click on them. A new panel should appear on the right.
    6. Click on the “Response” tab in that new panel.
    7. Copy the message displayed there.
    8. Paste it here.
    9. If no red lines appeared in the browser console, click on the “Console” tab of the browser console.
    10. Copy any errors displayed there, and paste them here.

    Thanks!

Viewing 3 replies - 1 through 3 (of 3 total)
  • The topic ‘Recommended features failed to activate. SyntaxError: Unexpected token < in JSON’ is closed to new replies.