Hi Maxim,
"exiftool -a" works for dox, odt and pdf.
exiftool -a test.pdf | grep 'Page Count' | awk '{print $4}'
exiftool -a test.odt | grep 'Document-statistic Page-count' | awk
'{print $4}'
exiftool -a test.docx | grep Pages | awk '{print $2}'
Greetings Peter
Am 19.06.19 um 09:33 schrieb Maxim Solodovnik:
> Hello Denis,
>
> I'll keep this letter to do some investigations/improvements :)
>
> First lat me explain how document conversion works:
> 1) file being uploaded is checked to be "office document" (txt, doc,
> xls, pdf etc.)
> 2) then file is converted to PDF using libre/open-office (if it is NOT
> PDF already)
> 3) then each page of PDF is being saved as PNG using imagemagic
>
> each step is atomic operation :(
> I can try to check if it is possible to know the number of pages using
> command line (not sure yet how :(( )
>
> Convertion process can be improved IF we can find good alternative to
> the above 3rd party tools
> (for ex. cross-platform virtual printer able to print to PNG files
> from command line :))))
>
> On Sun, 16 Jun 2019 at 01:27, Denis Noctor <[email protected]
> <mailto:[email protected]>> wrote:
>
> Apologies Maxim for the late reply, I increased the amount of RAM
> on my AWS instance and this has addressed the problem. I am a
> little bit surprised how much RAM is used for the conversion
> processes though.
>
> I was, however, able to replicate the upload conversion
> problem.... but under extreme circumstances on the
> *https://om.alteametasoft.com:8443/next* platform - I
> accidentally tried to upload a PDF file (a small file - about 1.5
> megs... but it has a LOT of pages, over 600!!!!!!... mainly text)
> - I know, I know and I'm sorry :) I should have checked it first
> before uploading as the chances of anyone doing this are zero...
> but it led me to think....
>
> When I previously tried to upload documents (with low RAM),
> everything seemed to "hang" on continuously converting... with no
> error message (presumably as everything is being dealt with
> separately by ImageMajick)... and nothing can be seen except by
> digging into the logs. The only way to stop the process was to
> cancel and exit the room... sometimes resulting in an "internal
> error". Would it be possible to add something such as setting
> additional limitations" (for example on the admin/configuration
> page) similar as to limiting file size upload, PDF conversion
> quality and so on..... but restricting how many pages are to be
> converted when uploading a doc, ppt and pdf file ?
>
> For example, if a user uploads a document of more than 10 pages to
> be converted.... that they are prompted with a message to say that
> documents of "x" pages or less can be only converted - please try
> again" -
>
> I think this would be extremely beneficial to the non-suspecting
> user who tries to upload a file with too many pages and does not
> know what is happening as a result --- of worse - crashes the
> platform. Hope this is of some use.
>
> All the best,
>
> Denis.
> (I would be happy to email ou a copy of the file I was using
> directly as I can't put it out on the public domain),
>
>
>
>
>
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>
>
>
> On Wed, Jun 5, 2019 at 11:25 PM Maxim Solodovnik
> <[email protected] <mailto:[email protected]>> wrote:
>
> Do you have any errors in the logs?
> can you check with PS which processes are started?
>
> Actually conversion is made by running 3rd party tools
> (imagemagic, libreoffice etc.)
> and there is configurable
> timeout external.process.ttl
> https://openmeetings.apache.org/GeneralConfiguration.html so
> processes will not work "forever"
>
> I can suggest to:
> 1) using real-time logs find the process which hangs
> 2) try to to manually run it, maybe play with some params
>
> I never saw the behavior like this :(
>
> On Mon, 3 Jun 2019 at 23:27, Denis Noctor
> <[email protected] <mailto:[email protected]>> wrote:
>
> Hi there Maxim,
>
> I am running 2 different AWS instances (both with Ubunto
> 18.04.2 LTS) – the only difference being is that one is
> running 5.0.0-M2-SNAPSHOT (Revision - 85daa3b /Build date
> 2019-05-13T16:53:23Z) and the other is running
> 5.0.0-M2-SNAPSHOT (Revision - 1c16b6d /Build date
> 2019-05-19T13:29:29Z)
>
> The first one is setup using NUMB TURNSERVER and as a
> result audio and video is working as expected (solving the
> whole NAT issue I had some time back).
> Both installations are based on Alvaro’s version 9
> instructions “Installation of Apache OpenMeetings 5.0.0 M1
> on Ubuntu 18.04 LTS” … with the exception of installing
> the 5.0.0-M2-SNAPSHOTS… on Ubunto 18.04.2 LTS.
> When I try upload files to “My Files” / the whiteboard,
> everything seems to “hang” on the “Converting…” pop up
> stage. When I press “cancel” in the pop up box, the box
> closes though there still appears be some activity in the
> background as there is still a “spinning” arrow. When I
> exit the room sometimes get an “Internal Error – Return to
> home page”
>
> (https://........./openmeetings/wicket/bookmarkable/org.apache.wicket.markup.html.pages.InternalErrorPage)
>
>
> This is why I set up a second AWS instance to double check
> installation – however, in the second installation I have
> the same “converting” issues.
>
> However, sometimes if I reboot the instances, restarting
> MySql, Kurento and Tomcat3 (in this order), I can
> sometimes upload _ONE_ document (jpg, ppt, doc etc.) but
> when I try to upload another file, everything is stuck on
> the “converting” process until I cancel.
>
> I am curious to know if there are other users using Ubuntu
> 18.04.2 LTS (AWS instance) and if they are having a
> similar problem as I am beginning to think this is unique
> to 18.04.2 LTS (and not 18.04).
> For reference the following are installed:
> ImageMagick - Version: ImageMagick 6.9.7-4 Q16 x86_64 20170114
> Ghostscript – Version: GPL Ghostscript 9.26 (2018-11-20)
> LibreOffice - Version: 6.2.4.2 20(Build:2)
>
> /etc/ImageMagick-6/policy.xml has been edited to comment
> out the following:
> <!-- <policy domain="coder" rights="none" pattern="PS" /> -->
> <!-- <policy domain="coder" rights="none" pattern="PDF" /> -->
>
> Any feedback would be appreciated.
>
> All the best.
>
> Denis
>
>
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>
>
>
> --
> WBR
> Maxim aka solomax
>
>
>
> --
> WBR
> Maxim aka solomax
