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#2014 thumbs not showing

Posted in ‘Event Gallery - General’

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Latest post by sbluege on Tuesday, 08 March 2016 09:41 UTC

Tuesday, 08 March 2016 00:29 UTC

christy

Hello again! I have a new problem I upload pics but some of them dont show at the thumbs! I deleted the file started uploading them again but the problem is still the same..
http://www.studio123.gr/%CE%BF%CF%81%CE%BA%CF%89%CE%BC%CE%BF%CF%83%CE%B9%CE%B5%CF%83/event/iatriki

Tuesday, 08 March 2016 07:13 UTC

sbluege

Sorry, but I can't see any missing thumbnail on this page.

Tuesday, 08 March 2016 08:02 UTC

christy

Its at the end of pictures... All night I was deleting and renamed and uploading again pictures that were not showing and now some that before was obvious now they are blank. Some of that blank load but some cannot load at all..

Tuesday, 08 March 2016 08:14 UTC

sbluege

You server seems to be overloaded if a browser requests 1000 images in a short amount of time. I was able to reproduce it by resizing the browser so the server had to create new thumbnails for this size (see screenshot). Please check with your hosting provider about that. They might see something in their error logs. In addition make sure you don't have any flood protection in place. Every call to an image is a PHP call. No problem when the thumbnails are already created. But for new thumbnails the Joomla! framework is called.

If you have so many images for one event you can use pagination to reduce the number of images per page.

Attachments

08-03-_2016_09-10-27.png

Tuesday, 08 March 2016 08:24 UTC

christy

ok.. so if i use pagination the problem will be solved? Or I must upload them again first? Sorry but my knowledge about all this stuff is little I created that site from zero without any knowledge and Im trying to configure it out

Tuesday, 08 March 2016 08:28 UTC

sbluege

Actually there is Event Gallery Extended which covers little knowledge in combination with the commercial use of Event Gallery :)

You don't need to upload your images again. They are fine. You just have an issue with the thumbnail creation since your server rejects requests if there are too many. Now you need to ask your hosting provider about that. Use the screenshot I attached above to show the HTTP error code.

Using pagination will reduce this issue since the number of thumbnails loaded in a short amount of time will decrease.

Tuesday, 08 March 2016 08:34 UTC

christy

ok but at page 28 its the same problem again http://www.studio123.gr/%CE%BF%CF%81%CE%BA%CF%89%CE%BC%CE%BF%CF%83%CE%B9%CE%B5%CF%83/event/iatriki?start=540

Tuesday, 08 March 2016 08:46 UTC

sbluege

This time it's clearly your fault:

http://www.studio123.gr/components/com_eventgallery/helpers/image.php?option=com_eventgallery&mode=uncrop&width=1440&view=resizeimage&folder=iatriki&file=_MG_0451.jpg

Warning: imagecreatefromstring(): Empty string or invalid image in /home/studio123/public_html/components/com_eventgallery/controllers/Resizeimage.php on line 139
Error opening /home/studio123/public_html/images/eventgallery/iatriki/_MG_0451.jpg!

Use the "Sync Database"-button to make sure only existing files are referenced.

Tuesday, 08 March 2016 08:56 UTC

christy

I synced it.. Now what? Still some pictures not showing.. :( It should be ready today what should I do delete them and upload again??

Tuesday, 08 March 2016 09:16 UTC

sbluege

I still see this error message:

Warning: imagecreatefromstring(): Empty string or invalid image in /home/studio123/public_html/components/com_eventgallery/controllers/Resizeimage.php on line 139
Error opening /home/studio123/public_html/images/eventgallery/iatriki/_MG_0456.jpg!

Should this image be there? Please check if it is uploaded correctly to /images/eventgallery/iatriki/_MG_0456.jpg

Tuesday, 08 March 2016 09:41 UTC

sbluege

Just to make sure we're on the same page: we deal with two issues here:

- hosting limitations
- invalid files

here is how you can find out which one is which:
- check the JavaScript console for errors ->HTTP 502 -> hosting issue
- check the missing images with the browsers dev tools (screenshot) -> invalid file reference