Thanks Maxim. <http://www.avg.com/email-signature?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail> Virus-free. www.avg.com <http://www.avg.com/email-signature?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail> <#DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2>
On Wed, Jun 19, 2019 at 2:34 AM Maxim Solodovnik <solomax...@gmail.com> wrote: > 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 <denisnoc...@gmail.com> 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 >> <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), >> >> >> >> >> >> <http://www.avg.com/email-signature?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail> >> Virus-free. >> www.avg.com >> <http://www.avg.com/email-signature?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail> >> <#m_-9000163054918213969_m_2697201284958559328_DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2> >> >> On Wed, Jun 5, 2019 at 11:25 PM Maxim Solodovnik <solomax...@gmail.com> >> 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 <denisnoc...@gmail.com> 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 >>>> >>>> >>>> <http://www.avg.com/email-signature?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail> >>>> Virus-free. >>>> www.avg.com >>>> <http://www.avg.com/email-signature?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail> >>>> <#m_-9000163054918213969_m_2697201284958559328_m_-2248289624690236754_m_-5775421598985918898_DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2> >>>> >>> >>> >>> -- >>> WBR >>> Maxim aka solomax >>> >> > > -- > WBR > Maxim aka solomax >
