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XF 1.5 Media Gallery not creating thumbnails of large images

#1
I am running XF 1.5.4 with Xenforo Media Gallery 1.1.3.

Xenforo is set to use the ImageMagick PECL Extension under options/list/attachments . Originally it was set to PHP GD. I installed and switched to ImageMagick in hopes of resolving the issue.

When uploading large (12MB) images to the gallery thumbnails are not created.

If I select each image > Change Thumbnail -> Delete current thumbnail a thumbnail is created for the image. Unfortunately I am having to do this hundreds of times.

I have looked at the Xenforo Server Log, /var/log/apache2/access.log and error.log without finding any relevant errors.

I would be very appreciative of any advice on how to resolve this issue.
 

Chris D

XenForo developer
Staff member
#3
XF has a limit which deliberately prevents attempting to create thumbnails for large images - reason being that it can be a hugely memory intensive operation. The limit is 20 megapixels.

If memory isn't an issue, you can raise this limit in config.php:
PHP:
$config['maxImageResizePixelCount']  = 30000000
You can rebuild all media thumbnails in Admin CP > Applications > Gallery Rebuilds