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GlassFish

Attended a great talk by Michael Bleigh on Twitter on Rails. He has built a gem, TwitterAuth, that uses Twitter as authentication provider (OAuth or HTTP Basic) which allows to to quickly and easily create Twitter applications in Rails. In Michael's words "TwitterAuth makes Twitter Rails apps stupid simple". The talk built Twistener - a Twitter application in Rails that shows how many...
on May 6, 2009
An informal survey this morning at Rails Conf 2009 keynote showed: 40% Rails developers in startup 30% Rails developers in consulting 30% Rails developers work in internal projects Engine Yard got a sponsor keynote slot and announced Flex - a cloud computing platform on EC2 to host Rails applications. They also showed one-button self-healing clusters. One of the speakers was particularly...
on May 6, 2009
This is a follow up post from David's keynote. Attended Women in Rails panel discussion. The panel, Sarah Mei, Lori Olson, and Desi McAdam (from L to R), had a very interesting discussion around the genuine problems and possible solutions of involving more women in Rails community. Sarah is trying to involve more women in the San Francisco Ruby meetup. She plans to invite non-...
on May 6, 2009
At Rails Conf 2009, Jay McGaffigan from Sea Change talked about why they choose JRuby/GlassFish for their product Affinity. Here are some of the reasons he quoted: Performance characterisitics (of GlassFish) have been excellent Picked GlassFish based upon the recommendations from the people in industry Dramatically more throughput on our GlassFish installation, 400 requests/sec instead of 100...
on May 5, 2009
Rails Conf Day 2 start with DHH's keynote. The room was packed (close to 1200 attendees) and SRO. It was interesting to know that 70% of the attendees are first timers and only a handful have attended for all 4 years in a row. This is my second in the US. Here are the notes from DHH's keynotes: Stop fretting about whether you are upto date with the latest in Rails. Don't need to re-write your...
on May 5, 2009
In a previous blog, I had shown how one could use Apache Felix Remote Shell to connect to GlassFish and administer the underlying OSGi runtime. Since, GlassFish installs some 100 odd bundles, it is not very easy to explore them using the shell. There are some improvements planned for Felix shell to address this issues, but then there are a lot of people who are just comfortable with GUI as...
on May 5, 2009
Rails Conf 2009 started this morning. The first day consists of morning and afternoon tutorials. I attended Nick Sieger's JRuby on Rails tutorial, the slides are available. A survey in the room showed: 95% comfortable with Ruby/Rails 80% have used JRuby 10% use JRuby actively Here are some of the key points highlighted in the tutorial: Why JRuby ? JRuby is "Less Bitter Java", after all...
on May 4, 2009
In JRuby-on-Rails tutorial at Rails Conf 2009, Nick Sieger shared a nice little tip on how to configure "database.yml" to be usable with both JRuby and MRI: <% jdbc = defined?(JRUBY_VERSION) ? 'jdbc' : '' %> development:   adapter: <%= jdbc %>mysql   encoding: utf8   reconnect: false   database: myapp_development   pool: 5   username: root...
on May 4, 2009
A few days back, Jerome blogged about how to deploy OSGi bundles in GlassFish using "asadmin deploy --type=osgi" command. In his blog, he also mentioned why you should not copy your bundles to glassfish/modules directory. In this blog, I will talk about a filesystem based management agent that I have integrated in GlassFish and how you can take advantage of the same. We have...
on May 3, 2009
Would you like to power up your Rails applications using JRuby and GlassFish ? And learn that from the engineers who develop the technology. If yes, then we have organized a bootcamp for you! Day 1 (FREE) of this bootcamp provides an introduction to JRuby and GlassFish and how they serve as an excellent development and deployment environment for Rails applications. Starting with...
on May 1, 2009
I just returned from presenting JSF2 at three wonderful conferences in German speaking Europe. Mathema Frühjarcampus, in Erlangen, Germany Irian JSFDays in Vienna, Austria S&S Verlag JAX in Mainz, Germany My trip to JAX included a side trip to Michael Hütterman’s Köln Java User Group. Mathema Füjahrcampus is a smaller and more intimate...
on Apr 30, 2009
nginx (pronounced as "engine-ex") is an open-source and high-performance HTTP server. It provides the common features such as reverse proxying with caching, load balancing, modular architecture using filters (gzipping, chunked responses, etc), virtual servers, flexible configuration and much more. nginx is known for it's high performance and low resource consumption. It's a fairly popular...
on Apr 30, 2009
TOTD #79 showed how to run a trivial Sinatra application using GlassFish Gem. Sinatra provides support for Haml, Erb, Builder, Sass, and Inline templates as described here. This TOTD will show how to get started with creating a Sinatra CRUD application using Haml templates. Haml is based on one primary principle - Markup should be beautiful because beauty makes you faster. Get...
on Apr 29, 2009
Sinatra is a DSL for quickly creating web-applications in Ruby with minimal effort. Like Rails and Merb, Sinatra is not an MVC framework and basically follows a flat-file structure instead. The framework define conventions such as location of static files and views, bootstrap, dev/production/test environment variables, filters, helpers, TDD, and much more.  Read Getting Started for...
on Apr 28, 2009
Did you know that ... GlassFish Gem is already used in production GlassFish Gem can be used to run Rails, Merb, Sinatra, and any other Rack-based framework Capistrano recipes are available for starting/stopping/bouncing the server With GlassFish, standard Java monitoring techniques like JMX can be used for monitoring Rails apps NetBeans provide a complete development environment for Rails...
on Apr 28, 2009
Here is simple script that: Installs GlassFish Creates a new domain using cluster profile Create 2 instances in the cluster Deploys a sample application to verify the cluster setup Everything in just one simple script! This script can be used on a virtual (Virtual Box, EC2 instance, etc.) or a physical image of an Operating System. echo A | java -Xmx256m -jar ~/Downloads/glassfish-...
on Apr 24, 2009
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on Apr 24, 2009
John Powell from eMapSite stopped by at the Whisper Suite in MySQL Users Conference earlier today to talk about his GlassFish issue. The possible workaround was suggested and then the discussion became interesting on how GlassFish is used for offshore monitoring of windfarms and process weather forecasting data. Hear all about it and watch a flashy demo of their product in this video:...
on Apr 22, 2009
SeaChange Affinity uses Rails and GlassFish as their deployment platform. One of their core developers posted tips based upon their experience so far and they are available at: Rails on GlassFish v2 using Windows Here are some of the quotes: Glassfish can really handle a heavy load and handling 400 simultaneous users under a supremely heavy load, the memory was holding great All previous...
on Apr 22, 2009
I arrived at the MySQL Users Conference just in time for the The Great Open Cloud Shootout. Kaj Arno was asking questions to the invited panelists shown in the picture above. Here is a partial discussion: What is cloud ? Thorsten Fully automatbale computing infrastructure, changes the way production scale deployments operate, saves time/cost, increases reliability Chander...
on Apr 22, 2009