Hi, Maybe you should check this out: http://platform.xwiki.org/xwiki/bin/view/AdminGuide/Attachments And also http://platform.xwiki.org/xwiki/bin/view/AdminGuide/InstallationMySQL if you’re using mysql: " • By default MySQL only accepts packets that are smaller than 1MB. If you get the "Packet for query is too large (max_allowed_packet)" error then see the Packet too large error page. For example to increase the packet size to 32M you could start the MySQL server with mysqld --console --max_allowed_packet=32M or you can modify directly the my.cnf configuration file to set this value permanently.” You should also check the logs to see the details of "an error occured while uploading plantuml.jar” (that doesn’t give enough info to help you more). Thanks -Vincent

ok, so it turns out the problem was not just jar files, but any large files. I had to mess around with the max_allowed_packet variable in mysql, plus increase the size of uploads in xwiki, which at first I didn’t realize is given in BYTES. so now I can upload large files. I wanted a local plantuml server because I’m trying to embed links in the diagrams, and I thought you needed a local server for that. It still doesn’t work, but I thing it’s a XWiki issue. Dan From: Thomas Mortagne [via XWiki] Sent: Tuesday, April 12, 2016 6:54 AM To: dullfig Subject: Re: Uploading .jar as attachment to page fails Note that a cleaner solution would be to refactor PlantUML Macro extension to depend on net.sourceforge.plantuml:plantuml extension instead of embedding it. Extension will simply put the plantuml jar in the classloader and it would be automatically available to the PlantUML Macro (no need to load the attachment anymore). On Tue, Apr 12, 2016 at 9:23 AM, Vincent Massol <[hidden email]> wrote: -- Thomas Mortagne _______________________________________________ users mailing list [hidden email] http://lists.xwiki.org/mailman/listinfo/users -------------------------------------------------------------------------------- If you reply to this email, your message will be added to the discussion below: http://xwiki.475771.n2.nabble.com/Uploading-jar-as-attachment-to-page-fails… To unsubscribe from Uploading .jar as attachment to page fails, click here. NAML -- View this message in context: http://xwiki.475771.n2.nabble.com/Uploading-jar-as-attachment-to-page-fails… Sent from the XWiki- Users mailing list archive at Nabble.com.

Hi Dan, Embedding links in a diagram is not available in the current PlantUML Macro but it could be possible using the Image Map service (as described on this page http://plantuml.com/server.html ). The drawback would be to define links as absolute URLs and not in the xwiki simpler syntax. Maxime On 12/04/2016 17:24, dullfig wrote:

Not exactly new. plantuml is on Maven central which mean you can just declare it as dependency of your extension and Extension Manager will install it when you install your extension. For imported Maven extension you just need to add it as dependency in the pom, for 100% extension.xwiki.org extensions you can add dependency object, see http://extensions.xwiki.org/xwiki/bin/edit/Extension/PlantUML+Macro#HAddDep…. On Tue, Apr 12, 2016 at 9:28 PM, Maxime Sinclair &lt;maxime.sinclair(a)gmail.com&gt; wrote: -- Thomas Mortagne