xwiki-devs March 2008

xwiki-devs@xwiki.org

52 participants
193 discussions

[xwiki-devs] Keeping uniform jar versions across modules

by Sachin Mittal

Hi, I have frequently encountered this problem that versions of third party jars across modules are not uniform. Like the xwiki-core uses commons-lang of version 2.1 and lucene 2.3. Similarly some module uses xerces-impl of version 2.0.2 where as some other 2.8.1. As the xwiki build can be made of different modules as per custom requirements, when we bring these modules together there is a conflict in the jar versions. This way different jars of same version end up in the lib directory and causes class not found exceptions. I don't know what is the best way to avoid such a problem, but best I can think is when building the pom we should ensure that version of the third party jar stays uniform atleast across xwiki-platform. Thanks Sachin ----- http://www.assembla.com/wiki/show/sachin_mittal about me: -- View this message in context: http://www.nabble.com/Keeping-uniform-jar-versions-across-modules-tp1619459… Sent from the XWiki- Dev mailing list archive at Nabble.com.

16 years, 9 months

[xwiki-devs] Re. Xwiki Attachments

by Kamna Jain

Hello! I am sorry for reposting these questions. But, it would be great if I could get some kind of response - even if nobody wants to answer these questions, please respond with your choice so that I stop waiting for the response. Thanks I want to refer back to my thread on adding XWiki attachments to SVN. Artem and Vincent both suggested implementing the XWikiAttachmentStoreInterface. In this regard, I have a few Questions: 1)If I chose this option, do I have to follow the implementaion as done for XWikiHibernateAttachmentStore (Is this the class that handles adding the attachments to the DB?) 2) would that be enough - just implementing the interface, so that the functions like saveAttachementContent() will add it to SVN and loadAttachmentContent() will load it into XWiki from SVN. or would I have to do something with other classes like the XWikiAction class (in the Web package) 3) Sergiu suggested that I could also use the notification mechanism for the Fileupload action. Is this referring to the UploadAction class in the Web ackage or the fileupload plugin? I am sorry if I am being naive, I am just trying to undertsand the code structure and dependencies, call hierarchies etc. Is there any place where I can go in to understand the code better? 4) Also, my understanding is that the API package has all the classes whose objects can be used in the velocity scripts at the presentation layer. Am I right? 5) Can the SVN integration be done at the presentation layer (with velocity scripts...I doubt it, but just wanted to confirm) 6) this is something to do with Eclispe and Subclipse I guess. I used subclipse to download the xwiki core and then checked it out into my workspace. The first time I did it, I had the Lucene plugin class in there. The second time I re-did it, the plugin class was no more there. (That is just one of the classes I noticed). could you think of something I might have missed out? Waiting eagerly for responses.

16 years, 9 months

[xwiki-devs] Bug reports

by Michael Oliver

Would you prefer bug reports in the dev or user list? <http://www.corenttech.com> On Demand Solutions On Demand Michael Oliver Chief Technology Officer Corent Technology <http://maps.yahoo.com/py/maps.py?Pyt=Tmap&addr=3600+W+Florida+Ave&csz=Hemet %2C+CA+92545&country=us> 3600 W Florida Ave #340 Hemet, CA 92545 <mailto:moliver@corenttech.com> moliver(a)corenttech.com <http://www.corenttech.com> http://www.corenttech.com AIM: moliver(a)corenttech.com tel: fax: mobile: Skype ID: <http://www.plaxo.com/click_to_call?src=jj_signature&To=949-547-5700&Email=m oliver(a)corenttech.com> 949-547-5700 7029740341 <http://www.plaxo.com/click_to_call?src=jj_signature&To=949-547-5700&Email=m oliver(a)corenttech.com> 949-547-5700 MikeOliverAZ <https://www.plaxo.com/add_me?u=55837372229&src=client_sig_212_1_banner_join &invite=1> Want to always have my latest info? <http://www.plaxo.com/signature?src=client_sig_212_1_banner_sig> Want a signature like this? View <http://corenttech.ning.com/xn/detail/u_25igigalsj1dt> my page on Corent Technology View my page <http://linkedinspin.ning.com/xn/detail/u_25igigalsj1dt> on CMU SEI LinkedIn SPIN

16 years, 9 months

[xwiki-devs] Building in Eclipse tutorial ideas

by Vincent Massol

Hi Asiri, If you have some time... :) I think it would be great if you could document how to use the m2eclipse plugin in Eclipse to set up XWiki (with screenshots). I've been using it for the past 5 days and it's great and makes setting up a XWiki dev environment a breeze and it's much much better than doing it the manual way for lots of reasons (always synced with the POMs, etc). http://m2eclipse.codehaus.org/ Thanks -Vincent

16 years, 9 months

[xwiki-devs] Questions Regarding New Data Model & Storage Components

by Asiri Rathnayake

Hi Vincent & All, This is about the above two GSoC ideas, I would like to know what are the deliverables for the above two projects ? My guess is, 1. Finished Components (i think these are going to be two jar files ?, i'm yet to discover plexus) 2. Test cases. 3. Current core integrated with the two components. 4. Anything else ? Since the current core doesn't follow a components based architecture, what kind of complications will arise in the integration phase ? Vincent, what about the two implementations of the data-model component in the sandbox ? have you made a decision ? :) Your help and comments are very much appreciated. Thanks. - Asiri

16 years, 9 months

Re: [xwiki-devs] [Fwd: Re: XWiki Attachments]

by Kamna Jain

I am sorry Sergiu, I just received the mail digest that has the messages from you and Artem. I apologize. Thanks to both of you for the responses. Seems like I am on track, but I would really need guidance from you as I am trying to understand exactly what I need to do. Regarding your question on whether we want to replace the DB table for attachments with an SVN store or use both of these, I think we want to use both (I am not sure. I will discuss this with my team and let you know). But, say if we wanted to keep both, SVN would be the primary storage (because for the application we are designing, users may have many versions of the same file and we want all of them to be available for future references.) and the DB would mirror the SVN store. But, at any time, the Attachments table wil only have the latest uploaded file right, and not its previous versions? Am I right? Also you mentioned this : "The notification mechanism will allow you to also store the attachment in SVN, but the attachment will go in the database, as it is done now. If you want to also update the wiki when the SVN is changed, you can write a SVN hook that notifies XWiki of the change. If you need more details, ask." Here when you say if you want to update the wiki, are u assuming that the SVN repo. will be modified outside of the wiki interface? In this regard, can you please point out the specific code packages I need to look at to understand the notification mecahninsm. Thanks a lot. On 3/21/08, Sergiu Dumitriu <sergiu(a)xwiki.com> wrote: > > Already sent, didn't you receive it? > > > -------- Original Message -------- > Subject: Re: [xwiki-devs] XWiki Attachments > Date: Fri, 21 Mar 2008 12:42:27 +0100 > From: Sergiu Dumitriu <sergiu(a)xwiki.com> > Organization: XWiki > To: XWiki Developers <devs(a)xwiki.org> > References: > <fb681d280803200948m79336289j221ed581c0890f94(a)mail.gmail.com> > <47E398BE.1020009(a)gmail.com> > > Hi, > > The best approach depends on what exactly do you want to do. Is the SVN > the only place where you want attachments, or should the SVN be just a > "backup", or alternate storage. > > If you want to completely replace the database with SVN for attachments, > then implementing XWikiAttachmentStoreInterface is the way to go. > > If you want to use the DB inside XWiki, but have a mirror on an SVN > server, then the notification mechanism is better. > > Read below. > > Artem Melentyev wrote: > > Hi. > > > > Kamna Jain wrote: > >> I want to refer back to my thread on adding XWiki attachments to SVN. > >> Artem and Vincent both suggested implementing the > >> > >> XWikiAttachmentStoreInterface. > >> > >> In this regard, I have a few Questions: > >> > >> 1)If I chose this option, do I have to follow the implementaion as done > >> for > >> > >> XWikiHibernateAttachmentStore (Is this the class that handles adding > the > >> attachments to the DB?) > > Yes. > > You can just extend this class and override needed methods. > > You also have to register your implementation as the attachment storage > in xwiki.cfg: > > xwiki.store.attachment.class=some.package.SvnAttachmentStorage > > >> 2) would that be enough - just implementing the interface, so that the > >> functions like saveAttachementContent() will add it to SVN and > >> loadAttachmentContent() will load it into XWiki from SVN. or would I > >> have to do something with other classes like the XWikiAction class (in > >> the Web package) > > Yes. It would be enough. > > > >> 3) Sergiu suggested that I could also use the notification mechanism > for > >> the Fileupload action. Is this referring to the UploadAction class in > >> the Web ackage or the fileupload plugin? > > > > I'm not much familiar with notification mechanism in xwiki, but I think > > it is more simpler and better way than writing AttachmentStore. > > The notification mechanism will allow you to also store the attachment > in SVN, but the attachment will go in the database, as it is done now. > If you want to also update the wiki when the SVN is changed, you can > write a SVN hook that notifies XWiki of the change. If you need more > details, ask. > > >> I am sorry if I am being naive, I am just trying to undertsand the code > >> structure and dependencies, call hierarchies etc. Is there any place > >> where I can go in to understand the code better? > > Yes, the code :p > > >> 4) Also, my understanding is that the API package has all the classes > >> whose objects can be used in the velocity scripts at the presentation > >> layer. Am I right? > > yes > > Almost, there is also the request, response and different plugin APIs > that you can use. Also, using programming rights you can get to the > internal objects behind the API, as each API class has a method that > allows getting the wrapped object. But for the start the main API should > be enough, playing with the internal stuff is dangerous and not > recommended. > > >> 5) Can the SVN integration be done at the presentation layer (with > >> velocity scripts...I doubt it, but just wanted to confirm) > > I think no. > > Not directly. You can put a svn client jar in the lib directory, and > write a Groovy class that acts as a Notification Listener and uses that > svn client to perform the changes. It is the same as writing a java > class, just that it is written in a wiki document, and uses the > (simpler?) Groovy language instead of Java. You cannot write an > attachment storage in Groovy, though. > > >> 6) this is something to do with Eclispe and Subclipse I guess. I used > >> subclipse to download the xwiki core and then checked it out into my > >> workspace. The first time I did it, I had the Lucene plugin class in > >> there. The second time I re-did it, the plugin class was no more there. > >> (That is just one of the classes I noticed). could you think of > >> something I might have missed out? > > try to clean, update eclipse projects. > > no ideas more. > > > > The Lucene plugin was recently moved to another place, so this is normal. > > -- > Sergiu Dumitriu > http://purl.org/net/sergiu/ > > > -- > Sergiu Dumitriu > http://purl.org/net/sergiu/ >

16 years, 9 months

[xwiki-devs] Build errors on xwiki-product-enterprise

by Asiri Rathnayake

Hi Devs, Just to make myself sure, i double checked against the instructions on http://dev.xwiki.org/xwiki/bin/view/Community/Building I used "MAVEN_OPTS=-Xmx600m" but still i get the following output. <DUMP> [asiri@asiri-desktop xwiki-product-enterprise]$ mvn install [INFO] Scanning for projects... [INFO] Reactor build order: [INFO] XWiki Products - Enterprise - Parent POM [INFO] XWiki Products - Enterprise - Wiki [INFO] XWiki Products - Enterprise - Database - Parent POM [INFO] XWiki Products - Enterprise - Database - HSQLDB [INFO] XWiki Products - Enterprise - Web [INFO] XWiki Products - Enterprise - Distribution - Parent POM [INFO] XWiki Products - Enterprise - Distribution - HSQLDB [INFO] ---------------------------------------------------------------------------- [INFO] Building XWiki Products - Enterprise - Parent POM [INFO] task-segment: [install] [INFO] ---------------------------------------------------------------------------- [INFO] Setting property: classpath.resource.loader.class => ' org.codehaus.plexus.velocity.ContextClassLoaderResourceLoader'. [INFO] Setting property: velocimacro.messages.on => 'false'. [INFO] Setting property: resource.loader => 'classpath'. [INFO] Setting property: resource.manager.logwhenfound => 'false'. [INFO] [remote-resources:process] [INFO] [site:attach-descriptor] [INFO] [install:install] [INFO] Installing /home/asiri/projects/xwiki-dev/trunks/xwiki-product-enterprise/pom.xml to /home/asiri/.m2/repository/com/xpn/xwiki/products/xwiki-enterprise-parent/1.4-SNAPSHOT/xwiki- enterprise-parent-1.4-SNAPSHOT.pom [INFO] ---------------------------------------------------------------------------- [INFO] Building XWiki Products - Enterprise - Wiki [INFO] task-segment: [install] [INFO] ---------------------------------------------------------------------------- [INFO] [remote-resources:process] [INFO] [resources:resources] [INFO] Using default encoding to copy filtered resources. [INFO] [xwiki-xar:xar] [INFO] Generating package.xml descriptor at [/home/asiri/projects/xwiki-dev/trunks/xwiki-product-enterprise/wiki/target/classes/package.xml] [INFO] Building zip: /home/asiri/projects/xwiki-dev/trunks/xwiki-product-enterprise/wiki/target/xwiki- enterprise-wiki.xar [INFO] [install:install] [INFO] Installing /home/asiri/projects/xwiki-dev/trunks/xwiki-product-enterprise/wiki/target/xwiki- enterprise-wiki.xar to /home/asiri/.m2/repository/com/xpn/xwiki/products/xwiki-enterprise-wiki/1.4-SNAPSHOT/xwiki- enterprise-wiki-1.4-SNAPSHOT.xar [INFO] ---------------------------------------------------------------------------- [INFO] Building XWiki Products - Enterprise - Database - Parent POM [INFO] task-segment: [install] [INFO] ---------------------------------------------------------------------------- [INFO] [remote-resources:process] [INFO] [remote-resources:process] [INFO] [xwiki-xar:unxar] [INFO] [site:attach-descriptor] [INFO] [install:install] [INFO] Installing /home/asiri/projects/xwiki-dev/trunks/xwiki-product-enterprise/database/pom.xml to /home/asiri/.m2/repository/com/xpn/xwiki/products/xwiki-enterprise-database/1.4-SNAPSHOT/xwiki- enterprise-database-1.4-SNAPSHOT.pom [INFO] ---------------------------------------------------------------------------- [INFO] Building XWiki Products - Enterprise - Database - HSQLDB [INFO] task-segment: [install] [INFO] ---------------------------------------------------------------------------- Downloading: http://maven.xwiki.org/externals/groovy/groovy-all-1.0-jsr/06/groovy-all-1.… Downloading: http://maven.xwiki.org/releases/groovy/groovy-all-1.0-jsr/06/groovy-all-1.0… Downloading: http://maven.xwiki.org/externals/groovy/groovy-all-1.0-jsr/06/groovy-all-1.… Downloading: http://maven.xwiki.org/releases/groovy/groovy-all-1.0-jsr/06/groovy-all-1.0… Downloading: http://repo1.maven.org/maven2/groovy/groovy-all-1.0-jsr/06/groovy-all-1.0-j… Downloading: http://maven.xwiki.org/externals/groovy/groovy-all-1.0-jsr/06/groovy-all-1.… Downloading: http://maven.xwiki.org/releases/groovy/groovy-all-1.0-jsr/06/groovy-all-1.0… Downloading: http://repo1.maven.org/maven2/groovy/groovy-all-1.0-jsr/06/groovy-all-1.0-j… [INFO] [remote-resources:process] [INFO] [remote-resources:process] [INFO] [xwiki-xar:unxar] [INFO] [xwiki-packager-plugin:import] 2008-03-21 14:24:48,060 [] [main] WARN impl.OSCacheService - Could not load cache properties oscache.properties: null 2008-03-21 14:24:48,063 [] [main] WARN impl.OSCacheService - Could not load cache properties oscache-local.properties: null 2008-03-21 14:24:53,212 [] [main] WARN interwiki.InterWiki - Unable to read conf/intermap.txt 02:24:53.973 WARN - Invalid feed URL: [INFO] [site:attach-descriptor] [INFO] [assembly:single] [INFO] Reading assembly descriptor: /home/asiri/projects/xwiki-dev/trunks/xwiki-product-enterprise/database/hsqldb/src/assemble/database.xml [INFO] Building zip: /home/asiri/projects/xwiki-dev/trunks/xwiki-product-enterprise/database/hsqldb/target/xwiki- enterprise-database-hsqldb-1.4-SNAPSHOT.zip [INFO] [install:install] [INFO] Installing /home/asiri/projects/xwiki-dev/trunks/xwiki-product-enterprise/database/hsqldb/pom.xml to /home/asiri/.m2/repository/com/xpn/xwiki/products/xwiki-enterprise-database-hsqldb/1.4-SNAPSHOT/xwiki- enterprise-database-hsqldb-1.4-SNAPSHOT.pom [INFO] Installing /home/asiri/projects/xwiki-dev/trunks/xwiki-product-enterprise/database/hsqldb/target/xwiki- enterprise-database-hsqldb-1.4-SNAPSHOT.zip to /home/asiri/.m2/repository/com/xpn/xwiki/products/xwiki-enterprise-database-hsqldb/1.4-SNAPSHOT/xwiki- enterprise-database-hsqldb-1.4-SNAPSHOT.zip [INFO] ---------------------------------------------------------------------------- [INFO] Building XWiki Products - Enterprise - Web [INFO] task-segment: [install] [INFO] ---------------------------------------------------------------------------- [INFO] [remote-resources:process] [INFO] [resources:resources] [INFO] Using default encoding to copy filtered resources. [INFO] [remote-resources:process] [INFO] [compiler:compile] [INFO] No sources to compile [INFO] [resources:testResources] [INFO] Using default encoding to copy filtered resources. [INFO] [compiler:testCompile] [INFO] No sources to compile [INFO] [surefire:test] [INFO] ------------------------------------------------------------------------ [ERROR] BUILD ERROR [INFO] ------------------------------------------------------------------------ [INFO] null [INFO] ------------------------------------------------------------------------ [INFO] For more information, run Maven with the -e switch [INFO] ------------------------------------------------------------------------ [INFO] Total time: 20 seconds [INFO] Finished at: Fri Mar 21 14:24:56 LKT 2008 [INFO] Final Memory: 36M/65M [INFO] ------------------------------------------------------------------------ [INFO] [INFO] [INFO] ------------------------------------------------------------------------ [INFO] Reactor Summary: [INFO] ------------------------------------------------------------------------ [INFO] XWiki Products - Enterprise - Parent POM .............. SUCCESS [ 1.743s] [INFO] XWiki Products - Enterprise - Wiki .................... SUCCESS [ 1.557s] [INFO] XWiki Products - Enterprise - Database - Parent POM ... SUCCESS [ 0.428s] [INFO] XWiki Products - Enterprise - Database - HSQLDB ....... SUCCESS [ 15.019s] [INFO] XWiki Products - Enterprise - Web ..................... NOT BUILT [INFO] XWiki Products - Enterprise - Distribution - Parent POM NOT BUILT [INFO] XWiki Products - Enterprise - Distribution - HSQLDB ... NOT BUILT [INFO] ------------------------------------------------------------------------ [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESSFUL [INFO] ------------------------------------------------------------------------ [INFO] Total time: 20 seconds [INFO] Finished at: Fri Mar 21 14:24:56 LKT 2008 [INFO] Final Memory: 36M/65M [INFO] ------------------------------------------------------------------------ </DUMP> What i could be doing wrong here ? Thanks. - Asiri

16 years, 9 months

Re: [xwiki-devs] XWiki Attachments

by Kamna Jain

Hello Artem, Sergiu and all I want to refer back to my thread on adding XWiki attachments to SVN. Artem and Vincent both suggested implementing the XWikiAttachmentStoreInterface. In this regard, I have a few Questions: 1)If I chose this option, do I have to follow the implementaion as done for XWikiHibernateAttachmentStore (Is this the class that handles adding the attachments to the DB?) 2) would that be enough - just implementing the interface, so that the functions like saveAttachementContent() will add it to SVN and loadAttachmentContent() will load it into XWiki from SVN. or would I have to do something with other classes like the XWikiAction class (in the Web package) 3) Sergiu suggested that I could also use the notification mechanism for the Fileupload action. Is this referring to the UploadAction class in the Web ackage or the fileupload plugin? I am sorry if I am being naive, I am just trying to undertsand the code structure and dependencies, call hierarchies etc. Is there any place where I can go in to understand the code better? 4) Also, my understanding is that the API package has all the classes whose objects can be used in the velocity scripts at the presentation layer. Am I right? 5) Can the SVN integration be done at the presentation layer (with velocity scripts...I doubt it, but just wanted to confirm) 6) this is something to do with Eclispe and Subclipse I guess. I used subclipse to download the xwiki core and then checked it out into my workspace. The first time I did it, I had the Lucene plugin class in there. The second time I re-did it, the plugin class was no more there. (That is just one of the classes I noticed). could you think of something I might have missed out? Waiting eagerly for responses. Thanks

16 years, 9 months

[xwiki-devs] questions about status of persistence of classes/objects/properties?

by Pascal Voitot

Hello, I see in the code that "classical" ORM mapping and "dynamic" EntityMap XML mapping are both used... sometimes for backward compatibility, sometimes as a feature... but this is not easy to understand the exact status... Tell me if I'm wrong or right: - Class/PropertyClass classical Table mapping is no more the preferred choice - a Class is now directly linked to a Doc and it is created and stored within the Doc... - Class/PropertyClass mapping is now stored by default using XML custommapping in Doc (Class tables are still available with the right option) - Object/Property are stored by default in tables using classical ORM but also using EntityMap when the Class has a custommapping So, what is the current and future tendency for all of this? classes in XML and object in tables? something different? I don't know the history of the project but I find the code of XWikiDoc is quite dependent on the chosen mapping of classes, objects etc... Do you intend to introduce an abstraction about the mapping? Finally, a bulk remark: going further, could a XWikiDoc be considered as a class itself? Best regards Pascal

16 years, 9 months

Re: [xwiki-devs] More Info Ideas GSOC

by Carlos Junior

Hi Asiri thank you for this advance I will look at some source projects of XWiki team. []'s -- Carlos Júnior

16 years, 9 months

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xwiki-devs March 2008