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Web Applications

JRuby 1.1 RC3 (third and final release candidate) was released last week. The highlights are: 58 issues resolved since JRuby 1.1RC2 ri/rdoc w/ documentation included in distribution More IO corner cases fixed (popen, reopen) Several small bottlenecks fixed This is your last chance to report any issues before JRuby 1.1 goes final. And I encourage you to try out GlassFish v3 Gem (ver 0.1...
on Mar 25, 2008
Do you know there are several advantags of deploying Ruby-on-Rails applications on GlassFish instead of traditional Apache/Mongrel ? Here they are: Identical Development and Deployment Environments Multiple Applications in One Container Multiple Requests by a Single Application Redeploying an Application Clustering, Load Balancing, and High Availability Database Connection...
on Mar 22, 2008
There's a lot of new functionality in the developer release of jMaki 1.1. Performance enhancements, new widgets, upgrades to Yahoo 2.5 and Dojo 1.0.2, documentation and the new jMaki webtop are just some of what you will find. The team has been busy creating new widgets such as a flow widget, bread crumbs, tag cloud and carousel are new. Thanks to the awesome work by SitePen, all jMaki native...
on Mar 22, 2008
Ajax World East 2008 started earlier today. I delievered my "Web 2.0 Application development using jMaki" and the slides are available here. There were several demos shown in the talk (using NetBeans and GlassFish) and they are all accessible at the links mentiond below: RSS feeds in jMaki widgets Mashing up the Maps Rails powered by jMaki Sun Tech Days Event Map Several other related demos...
on Mar 18, 2008
Sun Microsystems is a Gold sponsor of Ajax World East 2008. The event kick starts in New York City tomorrow and you can see the complete agenda here. From Sun speakers, you'll hear how jMaki, GlassFish Comet, GlassFish and NetBeans provide an easy-to-use and industry-grade platform to develop and deploy Rich Internet Applications. Here is the list of Sun sessions: Tuesday, Mar 18 RIA...
on Mar 17, 2008
Pramod announced the release of GlassFish v3 Gem ver 0.1.2. The focus of this release is bugfixes: IssueTracker #4228: Duplicate entries for Scaffold generated by Rails 2.0.2 IssueTracker #3966: Blank page returned if no Rails instance is available RubyForge #17970: All requests are Ajax requests RubyForge #18162: observe_field for Ajax capablites work only once After #4228 fix, you can...
on Mar 13, 2008
I'm currently learning JSF, and wanted to give a little Google link love to a really great guide to learning JSF's use with databases, especially the datatable component. The JSF Database Howto written by BalusC is a great getting started guide to using datatables with JSF, and if this is something you're looking for, check it out... It's quite literally better than any of the books on JSF that I...
on Mar 12, 2008
Recently Guillaume reported to me about his Grail app not deploying on GlassFish v3 Preview 2. The problem reported was that the Grail app was taking lots of time to deploy on GlassFish v3 Preview 2. Although such failures are not acceptable but considering GlassFish v3 is a complete new architecture, is still under development and feature incomplete and above all the preview releases do...
on Mar 7, 2008
Recently I wanted to load data from a blog feed into a jMaki widget. Here I describe how to do just that. The feed I want to read is coming from The Aquarium. I want to view the the title and the first 60 characters of each blog entry using the jMaki blockList widget since it automatically handles paging. The Aquarium uses Feedburner to publish blog entries so I looked for a Feedburner API to...
on Mar 7, 2008
In this blog, I provide a quick solution for an issue that arises when you use ICEFaces server-push technology combined with Spring JSF integration. Normally, I would provide a detailed context of the issue at hand (with links to relevant pages like the java.net blog entitled "Sample Application using JSF, Spring 2.5, and Java Persistence APIs", forum posts, etc), and would spend more time...
on Mar 6, 2008
Rails 2.0 changes the way Scaffold works. This blog walks you through the steps to create a simple CRUD application using Scaffold in Rails 2.0. Download & Install JRuby 1.1 RC2. Install Rails using the following command: jruby -S gem install rails Create a new Rails app using the following command: cd samples; mkdir rails; cd rails<br>jruby -S rails books -d mysql...
on Feb 20, 2008
Social Software for GlassFish provides an integrated suite of Blogging, Tagging and Content Rating on GlassFish. More details about this suite are available here. This screencast explains how this integrated suite of software can be easily downloaded using GlassFish Update Center, how different components are seamlessly integrated and can be used. Enjoy...
on Feb 19, 2008
A Rails 2.0.2 application configures SQLite3 database by default. This requires you to have SQLlite3 database running and also have the corresponding database adapter installed. Even this is part of the Leopard (Mac OS 10.5+) development kit but this needs extra configuration on non-Leopard machines. One of the guiding principles of Rails is Convention-over-Configuration. So there are couple of...
on Feb 15, 2008
NetBeans 6.1 M1 is now available. Download here! There are several features in M1. But the feature I liked the most is storing multiple Ruby/JRuby runtime configurations in the IDE. In NetBeans 6.0 only one Ruby platform could be configured and stored. So if you have to change to another Ruby environment then you have to edit the values in the IDE. 6.1 M1 allows to configure and store multiple...
on Feb 15, 2008
Pramod released an updated version 0.1.1 of the JRuby GlassFish v3 gem. What's New ? - Mainly alignment with Rails convention The name of the gem is changed from "GlassFish" to "glassfish". The default port number is 3000. Applications are deployed at root context ("/"). So the default application is now deployed "http://localhost:3000/home/index" instead of "http://localhost:8080/temp/...
on Feb 14, 2008
We just posted the jMaki wrappers for many of the Dojo Dijit 1.0.2 widgets. Widgets wrapped include the grid, tabbed view, tree, accordion, button, fisheye, calendar and more. All the widgets support the jMaki data models as described on the wiki pages here. Follow the instructions on Ludo's blog to add the library to NetBeans IDE or simply unzip the file in your jMaki web app and add the...
on Feb 12, 2008
acts_as_conference started earlier today (now yesterday) in Orlando, Florida with Charity Session.  Completely sold out with 165 attendees! Ezra Zybmuntowicz (Merb core developer) talked about Merb. What is Merb ? Started after tried to make Rails thread-safe and memory foot print lower. All (everything?) you need, none you don't. Key features of Merb are: Thread-safe...
on Feb 8, 2008
Sample Application using jMaki and the Java Persistence APIs a Dynamic Ajax table example using jMaki and Java Persistence APIs on Glassfish This Sample Catalog app demonstrates the usage of the Java Persistence APIs to implement server side pagination (recommended for large sets of data), and  jMaki to get and display the results in a dynamic Ajax table. Download the jMaki...
on Feb 8, 2008
GlassFish v3 Gem allows JRuby-on-Rails application to be launched in GlassFish v3 server. It provides a robust alternative to WEBrick and Mongrel for development and deployment of your JRuby-on-Rails applications. UPDATE (Feb 14): A 0.1.1 version of the gem is released which will change the installation process. The Gem was originally announced here and then updated here. All along...
on Feb 8, 2008
This TOTD (Tip Of The Day) shows how to install Rails 2.0.x in JRuby 1.0.3 and JRuby 1.1 RC1. Then it describes how a simple Rails application can be created and deployed using WEBrick. First, lets deal with installing Rails 2.0.x in JRuby 1.0.3 and JRuby 1.1 RC1. Step 1: How to install Rails 2.0.x in JRuby 1.0.3 ? Download and Unzip JRuby 1.0.3. This creates "jruby-1.0.3" directory. Install...
on Feb 6, 2008