My Apache log show 403 errors for slidexx.jpg. My IP - - [03/Apr/2017:15:52:05 +0200] "GET /tmp/officeviewer/document%3Axwiki%3AEncyclop%C3%A9die.Agenda+du+management+de+la+qualit%C3%A9+au+CP2I/0/04072016-r%C3%A9union+du+r%C3%A9seau+des+auditeurs-VT-VDB-ME-slide0.jpg HTTP/1.1" 403 1510 "https://iwiki-preprod.din.developpement-durable.gouv.fr/bin/view/Encyclop%C3..." "Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Firefox/45.0" slidexx*.jpg generated by LibreOffice are well created in the filesystem. I can upload/download xwiki files in pages attachments. When I access to tomcat without pass through AJP/Apache (http://MyServer:8080/bin/view/Encyclop%C3%A9die/Agenda%20du%20management%20d... I have the same error/problem: jpg slide are not displayed Any clue or a way to identify the origin of my problem? Thxs -------------------------------------------- En date de : Mer 29.3.17, Pascal BASTIEN <pbasnews-xwiki@yahoo.fr> a écrit : Objet: xwiki 8.4.4 and office presentation viewer problem À: "XWiki Users" <users@xwiki.org> Date: Mercredi 29 mars 2017, 14h19 Hello, I have a problem with office presentation viewer. It is not displayed presentation slides when I use it because the jpg url is incorrect. I use a tomcat server and proxy-ajp on apache2 (i followed xwiki doc) My xwiki is on root of my server name. If I click on the eye icone from an odp file in a page, my browser goint to this url: (under /bin/view/): http://my.server.name.fr/bin/view/Encyclop%C3%A9die/Agenda%20du%20management... but didn't display slide . I saw with firebug that my browser didn't manage to display jpg file generated by xwiki: (/tmp) http://my.server.name.fr/tmp/officeviewer/document%3Axwiki%3AEncyclop%C3%A9d... I use this in my server.xml:     <Engine name="Catalina" defaultHost="my.server.name.fr">       <Host name="my.server.name.fr"             appBase="webapps"             workDir="/home/path/work"> and found target jpg file on /home/path/work/ROOT/xwiki-temp/tmp/officeviewer/xwiki/xxxxxx subdirectory I didn't found source of this error. If someone could help me? Thxs Pascal B