xwiki-users May 2012

xwiki-users@xwiki.org

43 participants
109 discussions

by CHENEAU-GREHALLE Nicolas

Hi, Because of memory problems with our (small) server, I've decided to switch from hibernate storage to file storage for attachments. When I launch the filesystemAttachmentPorterScript-2.0.xwiki20 groovy script, the script prints : "This is your storage directory, when filesystem attachments are enabled you have to back this up as part of your data backup routine. /usr/apache-tomcat-5.5.25/logs/data/storage" The value is the result of "Utils.getComponent(FilesystemStoreTools.class).storageDir.getAbsolutePa th()" command (tomcat was started from logs directory). The xwiki doc says : "The directory in which the attachments are stored in the filesystem is defined with the parameter xwiki.work.dir in the xwiki.cfg file. " But the value in my xwiki.cfg is : xwiki.work.dir=/usr/apache-tomcat-5.5.25/webapps/xem/work If I try the command below in a groovy script, the value is what I want, but not the value "Utils.getComponent(FilesystemStoreTools.class).storageDir.getAbsolutePa th()" prints : xwiki.getXWiki().getConfig().getProperty('xwiki.work.dir') => /usr/apache-tomcat-5.5.25/webapps/xem/work It seems to me that the value of xwiki.work.dir is not used, only the default value. That's a bug ? Thank you Nicolas CG

12 years, 7 months

[xwiki-users] sorting of space index macro

by Account

hi all, id like to use the Space-Index macro to list all pages on the WebHome page of every Space. With {{spaceindex count="0"/}} i get a list which is sorted by the time the page was created (or last modified?), but i'd like a list which is sorted in alphabetical order. Is that possible? thanks in advance, zae.

12 years, 7 months

Re: [xwiki-users] Fetch application fields from other applications

by Sergiu Dumitriu

On 05/21/2012 03:08 AM, Moritz Hesse (EA GmbH) wrote: > Hi, > > > > I have created two applications, let's say one for managing clients and one > for managing projects. How can I fetch the clients name and use it in my > list of projects? > > > > To speak in database terms I want my project's table to have a foreign key > which refers to the client primary key so that I can access all client's > attributes. > > > > Would be thankful for inspiration or helpful links to existing(?) tutorials. > > > > Thanks and bests, > Maybe this can help you: http://www.xwiki.org/xwiki/bin/FAQ/HowToCreateAOneToManyRelationshipInXWiki -- Sergiu Dumitriu http://purl.org/net/sergiu/

12 years, 7 months

[xwiki-users] Xslt Macro page duplicated

by Arnaud bourree

Hello, I received a mail from a xwiki user who request xar of my macro because it was zero sized in extension page. After login and updating it, I see in my recent pages there are two pages for same macro: - Xslt Macro: http://extensions.xwiki.org/xwiki/bin/view/Extension/Xslt+Macro - XSLT Macro: http://extensions.xwiki.org/xwiki/bin/view/Extension/XSLT+Macro I don't remember create it twice, so may be there are some page name rule apply when migrating to extensions pages and someone duplicated it. Which page should I delete? Regards, Arnaud.

12 years, 7 months

Re: [xwiki-users] Fetch application fields from other applications

by Marius Dumitru Florea

Hi Moritz, On Mon, May 21, 2012 at 10:08 AM, Moritz Hesse (EA GmbH) <moritz.hesse(a)ea-gmbh.de> wrote: > Hi, > > > > I have created two applications, let's say one for managing clients and one > for managing projects. How can I fetch the clients name and use it in my > list of projects? > > > > To speak in database terms I want my project's table to have a foreign key > which refers to the client primary key so that I can access all client's > attributes. > > > > Would be thankful for inspiration or helpful links to existing(?) tutorials. > Each application has a class that describes the type of data managed by the application (the client class and the project class in your case). By default a live table can display information taken from the instances of a single class. If you want a live table that aggregates ('join' in database language) data from instances of multiple classes then you have to write a custom live table results page. Live tables are fed with JSON generated by a wiki page. By default this page is XWiki.LiveTableResults but you can create your own results page. It's not trivial though.. Useful links: http://extensions.xwiki.org/xwiki/bin/view/Extension/Livetable+Macro http://extensions.xwiki.org/xwiki/bin/view/Extension/Query+Module Hope this helps, Marius > > > Thanks and bests, > > Moritz > > _______________________________________________ > users mailing list > users(a)xwiki.org > http://lists.xwiki.org/mailman/listinfo/users

12 years, 7 months

[xwiki-users] [xwiki 3.2] virtual user big performance issues

by Merlin Olivier

Hello, On the xwiki 3.2, we have decided to use the virtual xwiki (multi-tenant) feature as it should be better for scalability and performance http://platform.xwiki.org/xwiki/bin/view/AdminGuide/Virtualization "Each wiki has its own database schema, thus allowing for a complete data separation between the different wikis in the same instance. The main advantage of multi-tenancy is performance optimization." Problem: The main wiki has a relative good level of performance - with a response time around 2.5 second to browse a page So we are in the xwiki database But when we are in a virtual wiki (another schema ) - the performance are very poor. The average response time is around 5 seconds per page !!! So at list 2 times slower. We are using MySQL and glassfish 3.1 - and we have done tuning on the MySQL database and glassfish. We have used a profiling tool and see that the request send to the virtual environment are raising a big amount of exception ... The problem is not on the database part (even if they are many SQL calls to visualize only one page) The problem seems really to be on the virtual environment configuration OR in a file corruption ... I have attached the exception list . (exception_list.xls) >From this is it possible to know if we have an installation issue ?? Does someone have experience of very good performance with xwiki ? ( response time #1second per page) In that case Best regards, Olivier _______________________________________________ Olivier Merlin RnD Tuning/profiling community Leader Tel: + 33.4.42.36.59.87 olivier.merlin(a)gemalto.com<mailto:frederic.olier-EXTERNAL@gemalto.com> _______________________________________________

12 years, 7 months

[xwiki-users] Fetch application fields from other applications

by Moritz Hesse (EA GmbH)

Hi, I have created two applications, let's say one for managing clients and one for managing projects. How can I fetch the clients name and use it in my list of projects? To speak in database terms I want my project's table to have a foreign key which refers to the client primary key so that I can access all client's attributes. Would be thankful for inspiration or helpful links to existing(?) tutorials. Thanks and bests, Moritz

12 years, 7 months

[xwiki-users] Import Confluence Wiki into XWiki?

by michael.ottati＠emc.com

We have a small Confluence Wiki that is approaching its user limit. We have the option of either purchasing additional licenses or moving to XWiki. One huge advantage of XWiki is that we could vastly increase the number of users with access to our Wiki even if we did not allow those users write access. In order to make such a conversion feasible, we would first need to import our existing Confluence Wiki. In searching around I have found references to some Google Summer of Code proposals < http://dev.xwiki.org/xwiki/bin/view/GoogleSummerOfCode/ImportExportfromanyo…>. I have been less successful in locating implementations. Is there a (relatively) straightforward way to import my Confluence content into an XWiki? How might I go about doing this? Thanks Michael Ottati

12 years, 7 months

Re: [xwiki-users] Missing Icons

by Kel

Thanks for the reply, I have managed to fix this problem. Even though I set up a new wiki (with no previous user attachments) the missing icons were part of extensions that I had uploaded prior to moving my attachment storage to the file system. To fix this problem I ran the following script located at http://extensions.xwiki.org/xwiki/bin/view/Extension/Filesystem+Attachment+… http://extensions.xwiki.org/xwiki/bin/view/Extension/Filesystem+Attachment+… This will transfer any DB stored attachments to your file system store. -- View this message in context: http://xwiki.475771.n2.nabble.com/Missing-Icons-tp7562204p7565663.html Sent from the XWiki- Users mailing list archive at Nabble.com.

12 years, 7 months

[xwiki-users] How end user can capitalize on groovy/velocity fscript in xwiki?

by mohit gupta

Hi all, i have seen xwiki can do lot of stuff with groovy and velocity.I am new to groovy so trying to understand how groovy and velocty can benefit xwiki and ultimately end user. As most of the site says groovy and java are almost similar. so why xwiki is using groovy when it built upon java. As per my understanding xwiki is using groovy as scripting language where admin can write groovy scripts at run time from UI which needs not nto be compiled but work like in the similar fashion to java. Internally we are passing this grrovy script as string to server which is compilinh it and executing it at run time. Right? Now second part is why velocity in xwiki? Velocity is used in similar fashin to groovy in xwiki but difference is that any user without programming rights also can write velocity scripts as it has access to limited set of apis . Apart from that we can also write front end in velocity script like if i write {velocity}Hello:$xContext.getUser(){velocity} it will simply say Hello:Scott on UI but inside groovy scriplets everything will be taken as java code. Right?

12 years, 7 months

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xwiki-users May 2012