XWiki meets GlassFish v2



Why XWiki?
There are a lot of wikis out there (I mainly use JSPWiki).  The main reasons for XWiki are rights management and programming (using Velocity or Groovy). Other features are described here.

You can get XWiki from here. I chose to download the XWiki 1.0 beta 2 WAR file. It's 41Mb, which is the same size as the simple install which bundles Jetty as the default web container (btw, here's a Jetty aficionados who started using GlassFish). If XWiki were to ship GlassFish, the download size might be an issue as GlassFish is around 60MB (which is pretty good for a full blown application server BTW). XWiki install instructions are here.

GlassFish Web ConsoleBefore deploying the archive, the database needs to be configured. Although I started using JavaDB (part of GlassFish) based on these instructions and browsing the data using NetBeans, I quickly hit a missing XWIKILINKS table error. So back to HSQL which is bundled with XWiki. The config is really straightforward.

After upgrading the content of the WEB-INF/hibernate.cfg.xml file to reflect the database settings and update the WAR file (% jar uvf xwiki-1.0-beta-2.war WEB-INF\\hibernate.cfg.xml, the deploy can be simply done using the GlassFish Web Console.
Welcome to XWiki
You can also use the CLI's asadmin deploy command. Simply make sure you use 'xwiki' as the application Context Root (I wish XWiki didn't have the webcontext hard-coded to xwiki). Once the deployment is done (should take less 30 seconds), the application is available from http://localhost:8080/xwiki.

To make the content a little more useful, I used the administration page to upload a xwiki-1.0-beta-2.xar XWiki archive to populate the system. This also creates a administrator user ( Admin / admin )

So Why GlassFish?
Since XWiki is a web app, I guess that Jean-François' blog about what's new in GlassFish 2's web tier is pretty relevant (Improved Virtual Server support, JSP compilation with JSR 199, HTTP Compression support, SSL support now use NIO non blocking, ...). It would be interesting to compare performance of various containers (Jetty, GlassFish, Tomcat, JBoss, ...). I wonder if the XWiki guys have some benchmark or scalability test they run against their developments.

Also, with GlassFish v2 (soon to be in beta), clustering is now a simple add-on feature enabling cluster-wide deployments, load-balancing and fail-over. There's also the new auto-update feature and WSIT-based Web Services (Microsoft-interoperable WS-\* stack implementation). Of course, GlassFish is also a production-ready Java EE 5 application server which XWiki could use to upgrade to newer technologies such as EJB3, JPA, JAX-WS, etc...


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