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Uploading of big file on website hosted in Plesk fails: client intended to send too large body

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Benjamin Wessel
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Plesk for Linux kb: technical ABT: Group B

Applicable to:

  • Plesk for Linux

Symptoms

  • Unable to upload a file using an web application or webmail, the following error is shown:

    An error occurred!
    File upload failed

  • On uploading a big file via WordPress administrator interface, the following error is shown:

    Unexpected response from the server. The file may have been uploaded successfully. Check in the Media Library or reload the page.

  • The following error can be seen in the browser's console:

    413 Request Entity Too Large

  • Uploading of big size file fails with the following error in /var/www/vhosts/system/example.com/logs/proxy_error_log or /var/log/nginx/error.log file:

    client intended to send too large body: 163625628 bytes, client: 203.0.113.2, server: example.com, request: "POST /attachments/uploading.json?hash=bb192e03d44f11110881f1c148ef629&content_type=resource_version&key=resource HTTP/1.1", host: "203.0.113.2", referrer: "https://203.0.113.2/resources/add?resource_category_id=13"

Cause

Webserver limits maximum filesize to be uploaded.

Resolution

  1. Log into Plesk

  2. Adjust the following settings of PHP handler assigned to the domain in Tools & Settings > PHP Settings > X.X.XX FPM application in php.ini tab:

    post_max_size 2000m
    upload_max_filesize 2000m

  3. Perform the following steps depending on the webserver serving PHP handler in Tools & Settings > example.com > PHP Settings

    For case PHP is served by nginx

    1. Connect to the server via SSH.

    2. Add the following directives to /usr/local/psa/admin/conf/panel.ini file using 'vi' utility to customize Plesk defaults:

      [webserver]
      nginxClientMaxBodySize = 2000m

      If there is no /usr/local/psa/admin/conf/panel.ini file, create it from the sample file:

      # cp /usr/local/psa/admin/conf/panel.ini.sample /usr/local/psa/admin/conf/panel.ini

    3. Rebuild web server configuration files:

      # plesk repair web -server

    4. Reload nginx:

      # service nginx reload

    For case PHP is served by Apache

    1. Backup the main Apache configuration file:

      • On RedHat/CentOS/CloudLinux operating systems:

        # cp /etc/httpd/conf/httpd.conf{,.orig}

      • On Debian/Ubuntu operating systems:

        # cp /etc/apache2/apache2.conf{,.orig}

    2. Open the file from step 2. and add or modify the parameter LimitRequestBody to the required value in bytes, for example:

      LimitRequestBody 2147483647

      Note: The maximum value of the parameter LimitRequestBody is 2147483647 (2 gigabytes).

    3. Reload Apache configuration to apply changes:

      • On RedHat/CentOS/CloudLinux operating systems:

        # service httpd reload

      • On Ubuntu/Debian operating systems:

        # service apache2 restart

Comments

5 comments

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  • Avatar
    Francesc Benavent

    In Plesk Obsidian 18.0.29, the default value for nginxClientMaxBodySize is :

    [webserver] nginxClientMaxBodySize 128m

    as stated by the "panel.ini editor" extension.

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  • Avatar
    Ivan Postnikov

    Hello Francesc Benavent

    You're right, I will adjust the article.

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  • Avatar
    Michel

    Didn't help. Still the same issue.

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  • Avatar
    Tobias Maffert

    same here. Still the same issue :( Any ideas? - Plesk Obsidian Version 18.0.36

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  • Avatar
    Tobias Maffert

    I have probably found the problem. If one carries under "/var/www/vhosts/system/meinedomain.de/conf/nginx.conf" at location / also again client_max_body_size 500M; and restart nginx, it works. Can this (location area) be set via the Plesk web interface?

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