Yes, I have reset the file extensions otherwise I cannot upload them. As to
follow your advice, I just run the update.php. Several bugs shown in the
log file but nothing related to the thumbnails. Thumbnails still cannot be
created.

On Wed, Aug 10, 2016 at 8:34 PM, <[email protected]>
wrote:

>
> Has your file extension array been reset. Make sure the full array includes
> all needed file extensions. Be sure hi run update.php.
>
> John Foster
>
> On Aug 10, 2016 3:08 PM, "Jingyi C. Shi" <[email protected]> wrote:
>
> > Hi Greg,
> > Thank you for your response! I tried the suggestions, but still facing
> same
> > problems. Were there any further suggestions?
> >
> > I already changed the owner to be www-data, set log files and rebuilt
> > images.
> >
> > I got debug logs like follows:
> > "...
> > FSFileBackend::getFileListInternal() given directory does not exist:
> > '/var/www/HIWeb/dir/wiki/images/3/3e'
> > FSFileBackend::getFileListInternal() given directory does not exist:
> > '/var/www/HIWeb/dir/wiki/images/3/3f'
> > FSFileBackend::getFileListInternal() given directory does not exist:
> > '/var/www/HIWeb/dir/wiki/images/4/40'
> > FSFileBackend::getFileListInternal() given directory does not exist:
> > '/var/www/HIWeb/dir/wiki/images/4/41'
> > FSFileBackend::getFileListInternal() given directory does not exist:
> > '/var/www/HIWeb/dir/wiki/images/4/42'
> > ..."
> >
> > I think the log is reasonable and tell no more issues.
> >
> > Btw, what the "preview" means in the last post was: when you open a
> > "File:xxxx.png" page, it should show a preview image directly on the
> page.
> > But I have no preview images and thumbnails currently.
> >
> > Thanks,
> > Jingyi
> >
> > ---------- My original question ----------
> >
> > Hi all,
> >
> > Thanks to some help about my previous thumbnails question: "I uploaded a
> > png image but no thumbnails created in the File page."
> >
> > I have tried several methods but the thumbnails are still not working. I
> > still face the problems that I have neither thumbnails or preview images
> in
> > 'File:' pages.
> >
> > I have already installed ImageMagick in my Ubuntu.
> > What I have tried was to:
> > 1. check wiki/images/thumb/ folder, but only old thumbnails are there.
> > (Yes, I used to have thumbnails several month ago.) No new ones that I
> > uploaded recently are there.
> > 2. chowe -R root:root wiki/images/  and  chmod -R 777 /wiki/images/
> > 2. change memory consumption by increasing $wgMaxShellMemory to 409600 in
> > LocalSetting.php, but still no thumbnails appears.
> >
> > So here are my new questions:
> > 1. Small images (like 500kb) can sometimes have previews (but no
> > thumbnails). But large images always no previews. How to fix?
> > 2. I have a strange finding. Some jpg images can show the previews in my
> > home computer but cannot show previews in my office computer. What may
> > cause that?
> > 3. My current MW version is 1.26. And my PHP version is a little bit out
> of
> > date: 5.3.10. May this cause a problem related to previews and
> thumbnails?
> >
> >
> > Looking forward to your further help.
> >
> > Thank you,
> > Jingyi
> >
> > ---------- Forwarded message ----------
> >
> > Message: 1
> > Date: Wed, 3 Aug 2016 09:20:40 -0400
> > From: "Greg Rundlett (freephile)" <[email protected]>
> > To: MediaWiki announcements and site admin list
> >         <[email protected]>
> > Subject: Re: [MediaWiki-l] still questions about thumbnails and
> >         previews
> > Message-ID:
> >         <CANaytccrq72TEP9FpQb-mTHoZKhn37WB8F5S0e-NsMOZNj_
> > [email protected]>
> > Content-Type: text/plain; charset=UTF-8
> >
> > Greg Rundlett
> > https://eQuality-Tech.com
> > https://freephile.org
> >
> > On Tue, Aug 2, 2016 at 10:49 PM, Jingyi C. Shi <[email protected]>
> > wrote:
> >
> > > Hi all,
> > >
> > > Thanks to some help about my previous thumbnails question: "I uploaded
> a
> > > png image but no thumbnails created in the File page."
> > >
> > > I have tried several methods but the thumbnails are still not working.
> I
> > > still face the problems that I have neither thumbnails or preview
> images
> > in
> > > 'File:' pages.
> > >
> > > I have already installed ImageMagick in my Ubuntu.
> > > What I have tried was to:
> > > 1. check wiki/images/thumb/ folder, but only old thumbnails are there.
> > > (Yes, I used to have thumbnails several month ago.) No new ones that I
> > > uploaded recently are there.
> > > 2. chowe -R root:root wiki/images/  and  chmod -R 777 /wiki/images/
> > >
> >
> > Actually, the images directory (and subdirectories) should be owned by
> the
> > web server user (that's *www-data* for Ubuntu)
> >
> > If you enter the command
> >
> > ps aux | egrep '(apache|httpd)'
> >
> > and look at the first column, you'll be able to confirm that your
> webserver
> > is running as www-data
> >
> > Then you can change ownership on the directory and subdirectories like
> so:
> >
> > sudo chown -R www-data:www-data ./wiki/images
> >
> >
> > In general, you should setup a debug log file[1] to find out what's going
> > wrong with MediaWiki.
> >
> > [1]
> > https://www.mediawiki.org/wiki/Manual:How_to_debug#
> > Setting_up_a_debug_log_file
> >
> >
> >
> > > 2. change memory consumption by increasing $wgMaxShellMemory to 409600
> in
> > > LocalSetting.php, but still no thumbnails appears.
> > >
> > > So here are my new questions:
> > > 1. Small images (like 500kb) can sometimes have previews (but no
> > > thumbnails). But large images always no previews. How to fix?
> > > 2. I have a strange finding. Some jpg images can show the previews in
> my
> > > home computer but cannot show previews in my office computer. What may
> > > cause that?
> > > 3. My current MW version is 1.26. And my PHP version is a little bit
> out
> > of
> > > date: 5.3.10. May this cause a problem related to previews and
> > thumbnails?
> > >
> > >
> > I'm not sure what you mean by 'previews'.  When you upload a file into
> > MediaWiki via Special:Upload, it simply stores the file on the webserver
> > and generates thumbnails as configured.  Those thumbnails get stored in
> the
> > "thumbs" directory on the server. When you go to *Special:ListFiles*
> (e.g.
> > https://freephile.org/wiki/Special:ListFiles), it will show a list of
> > uploaded files, with a thumbnail representation of each file.
> >
> > Since you are having problems with your file uploads and thumbnail
> > generation, you should probably run the 'rebuildImages' script in the
> > maintenance folder.
> >
> > cd wiki/maintenance
> > php ./rebuildImages --dry-run
> > php ./rebuildImages --missing
> > _______________________________________________
> > MediaWiki-l mailing list
> > To unsubscribe, go to:
> > https://lists.wikimedia.org/mailman/listinfo/mediawiki-l
> >
>
>
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