The WordPress Toolkit Smart Update fails on a Wordpress Instance on Plesk: Malformed sitemap given

Gabriel Aznarez

Updated December 03, 2024 18:03

Plesk for Linux kb: technical ext: wptk

Applicable to:

Plesk for Linux

Symptoms

Unable to update a WordPress instance via Smart Update in WP Toolkit:

Smart Update test run could not be performed due to errors. Address the errors and try running Smart Update again. Malformed sitemap given

Errors in /var/log/plesk/panel.log with debug enabled:

DEBUG [extension/wp-toolkit] Begin traversing pages from sitemap: https://example.com/smart-update-sitemap.xml
[2021-10-11 08:13:44.838] 338053:6163f2385dd0a DEBUG [extension/wp-toolkit] Smart Update could not fetch the website sitemap. Only XML sitemaps are supported, given: text/html.
[2021-10-11 08:13:44.840] 338053:6163f2385dd0a DEBUG [extension/wp-toolkit] PleskExt\WpToolkit\SmartUpdates\Exception\SitemapUnsupportedFormatException: Smart Update could not fetch the website sitemap. Only XML sitemaps are supported, given: text/html.

Cause

The domain's sitemap does not exist or is not valid. Then if this is absent or invalid, the Smart Update feature cannot use it to check the instance pages and the update is not performed.

Resolution

Contact the website developer to correct the sitemap or create it if it's absent.