Empty Cache: Image Files Not Being Generated
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Hi again Takis. I’m not sure if this is related to the PHP 7.4.32 error I reported previously – so I opened a new thread. I installed Adaptive Images on a site several years ago and the plugin worked perfectly (as advertised) – until August 2022. I wasn’t aware that it had stopped caching images until checking it today. (The plugin was generating, optimizing & caching images up until August 2022.)
The reason I checked is because I’m trying to set up Adaptive images on another site (per my previous thread) and I managed to get the plugin to generate the cache directory BUT the plugin is not generating resized and optimized images; the cache is showing 0 images. I have now tested this on 3 separate sites and the plugin isn’t generating or optimizing images on any of them. Here’s an overview of what I’ve done:
– scrolled through each site on my mobile phone and in my desktop browser using the Developer Tools mobile emulator (setting the screen to super small width)
– tested on Plesk (x 2 site) and cPanel (x 1 site) hosting
– WordPress and plugin versions are the latest (most up to date)
– all platforms are running PHP v7.4.32
– all 3 platforms are running Apache (not NGINX)
– I have disabled all other plugins
– verified the .htaccess file was created and is accurate
– checked folder permissions
– saved & re-saved settings
– deactivated and reactivated the plugin (and uninstalled and did a fresh install too)
– turned on debugging in wp-config
– installed the Query Monitor plugin
– checked the PHP error logs on each server
– I’m not seeing ANY errorsI suspect I’m missing something really basic – but I’ve run out of ideas. Is the plugin working for you as expected running WP v6.0.2 & PHP v7.4.32?
…here is the redacted Print Debug Info (installed in a /wp2022/ test directory):
PHP GD library is installed. ✔ Image cache directory has been created. /home/example/public_html/wp2022/wp-content/cache/adaptive-images => drwxr-xr-x ✔ Installation .htaccess file is setup OK. /home/example/public_html/wp2022/.htaccess => -rw-r--r-- ❖ Adaptive images settings dump: array(14) { ["resolutions"]=> array(4) { [0]=> int(1024) [1]=> int(768) [2]=> int(640) [3]=> int(480) } ["landscape"]=> bool(true) ["hidpi"]=> bool(true) ["cache-directory"]=> string(21) "cache/adaptive-images" ["watched-directories"]=> array(2) { [0]=> string(18) "wp-content/uploads" [1]=> string(17) "wp-content/themes" } ["jpeg-quality"]=> int(60) ["sharpen-images"]=> bool(true) ["watch-cache"]=> bool(true) ["browser-cache"]=> float(180) ["cdn-support"]=> bool(false) ["version"]=> string(6) "0.6.70" ["sanitized"]=> bool(true) ["wp-content-dir"]=> string(44) "/home/example/public_html/wp2022/wp-content" ["wp-content-url"]=> string(48) "https://www.example.com/wp2022/wp-content" }Thanks for your time!
pk
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Hi Takis,
The site I referenced earlier today was hosted on a server running the Plesk control panel. So I tried processing the update on a test site on a server running cPanel and got exactly the same result: no images. In fact, not only are the images not loading on the front end, they aren’t loading in the media library either (including my avatar). Oddly PDF files are present and there is 1 .ico file showing (a favicon).
This is the AI relevant code from the .htaccess file – located in the subdirectory – at the same level as the wp-config file:
# BEGIN Adaptive Images #======================= <IfModule mod_rewrite.c> RewriteEngine On # Watched directories RewriteCond %{REQUEST_URI} /wp2022/wp-content/uploads [OR] RewriteCond %{REQUEST_URI} /wp2022/wp-content/themes # Redirect images through the adaptive images script RewriteRule \.(?:jpe?g|gif|png)$ /wp2022/wp-content/plugins/adaptive-images/adaptive-images-script.php [L] </IfModule> # END Adaptive ImagesWhen I use the Developer Tools console in my browser, all images are reported as “broken”. When I open an image URL, this is the message that loads in my browser:
“Original image not found or not available.”When I append ?debug=true to the URL, the following information loads:
ADAPTIVE IMAGES DEBUG ######################## Script status ============== You are viewing this page instead of the image you requested. This is part of the debugging capabilities of the Adaptive Images plugin. Seeing this means the plugin is running alright and that the .htaccess configuration file is setup correctly! Client width 2048 Pixel density 1.25 HiDPI TRUE Resolution 1024 Cache writable YES User settings ============== $resolutions 1024,600,480 $cache_dir cache/adaptive-images $jpg_quality 65 $sharpen TRUE $watch_cache TRUE $browser_cache 604800 Image requested ================ Image /wp2022/wp-content/uploads/2022/04/filename.jpg Exists NO Mime - Dimensions - Size - --- Remove "?debug=true" in the url to see your image. Add "?debug=original" to see the original, non-resized image. Add "?resolution=xxxx,y" to see the image resized in xxxx pixels and y pixel density.Deactivating or rolling back to the previous version restores the images in the media library – and images are restored on the front end.
Oddly I’m still not seeing any errors being logged.
Oh yeah, I did several hard refreshes as you suggested – no change.
pk
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